Tag: ggplot

Reorder barplot in ggplot – tidyverse

Hi i want to reorder barplot according to class. This ggplot code does not appear in the order of classes when displayed as a plot. Can you please let me know what I am missing? families <- tibble::tribble(~supp, ~class, ~dose, ~len, ~sd,“CON”, “Firmicutes”, “Lachnospiraceae”, 4.97, 1.73,“CON”, “Bacteroidota”, “Bacteroidales RF16 group”,…

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Using element_ Textcustomize text in ggplot2

Ggplot2’s theme system allows us to better control graphicsNon data elementTo enhance the beauty of the image through more subtle modifications,Theme system of ggplot2Self contained multipleelement_function element_text( ) element_line( ) element_rect( ) element_blank( ) This section describes the topic element element_ Text (), which controls many parts of text elements…

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r – Can’t change ylab in ggplot

When I create this plot, I realize even I specify ylab, it is not applied to the output plot, whereas other labs works perfectly. Code below: saturation = function(po2,L){((po2/5.5)*(1+(po2/5.5))^3+ L*(po2/300)*(1+(po2/300))^3)/((1+(po2/5.5))^4+L*(1+(po2/300))^4)} #enter the equation library(ggplot2) library(ggtext) labels=”<p><span style=”color: #304d63;”>L = 10</span>, <span style=”color: #b2e7e8;”>L = 30</span>, <span style=”color: #8fb9aa;”>L = 100</span>,…

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Description, Programming Languages, Similar Projects of ggfx

ggfx is a (currently experimantal) package that allows the use of various filters and shaders on ggplot2 layers. Installation You can install ggfx from CRAN in the usual manner (install.packages(‘ggfx’)) or you can grab the development version directly from github using the devtools package: # install.packages(‘devtools’) devtools::install_github(‘thomasp85/ggfx’) Example The basic…

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R programming language tutorials – Technical Ripon

Are you learning the R programming language? Want to learn how to do more tasks with R? Check out our Do More With R video tutorials below — most with accompanying text articles and code, almost all under 10 minutes. In the table below you can easily search all tutorials…

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How do I add a legend? I want to add legend to ggplot. please help me

How do I add a legend? I want to add legend to ggplot. please help me ka<-read.table(file = “K”,encoding= “UTF-8”,header = T) library(ggplot2) options(scipen=100) ka <- data.frame(aa = 2017:2020, bb = c(55550000,66660000,77770000,88880000), cc = c(12345,56789,23456,56756)) ggplot(ka, aes(aa)) + geom_col(aes(x=aa, y = bb/100), fill = “#F5513B”) + geom_line(aes(x=aa, y = cc))…

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r – Customize ggplot2 legend with different variables

I have the following data about American and German teenagers’ coding skills. I can easily display their bar plots, but I need to present the total number of teenagers from each country as well. DF <- data.frame(code = rep(c(“A”,”B”,”C”), each = 2), Freq = c(441,121,700,866,45,95), Country = rep(c(“USA”,”Germany”),3), Total =…

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r – change y axis scale in ggplot

I’m trying to replicate a plot drawn by graphpad in r but I have a problem changing the y axis here is an example data and my plot codes: library(ggplot2) data <- data.frame(names = rep(factor(LETTERS[1:3])), values = c(0.001, 0.02 ,0.95), group = rep(“A”,3)) ggplot(data, aes(x = group, y = values,…

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ggplot2 – R ggplot: how to change background per group of data points?

I am trying to ggplot my data in a forest plot-like fashion, and I would like to add a background for groups of datapoints like here: I know that for ggforest or survminer there are functions for this, but is there something like this in ggplot? If not background color,…

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Reordering boxplot (ggplot) with scale_x_discrete(limits=(…) results in Warning message: Removed 103 rows containing missing values (stat_boxplot)

Probably a user error but I can’t find it for the life of me. Trying to rearrange the order of factors in a boxplot I am making using ggplot using the, “scale_x_discrete(limits=(…)” function. Doing so results in the following warning message “Warning message: Removed 103 rows containing missing values (stat_boxplot”….

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ggplot2 – Plot two lines on one graph on left panel and their difference on the right panel using facet_wrap or facet_grid in R

I have the following data frames: df1 <- data.frame(a= c(1:10), x= c(0.1, 0.5, 0.2, 0.1, 0, 0.23, 0.25, 0.4, 0.01, 0.2), y= c(0.3,0.01, 0.8, 0.2, 0.02, 0.14, 0.47, 0.35, 0, 0.32), name=”L1″) df2 <- data.frame(a= c(1:10), x= c(0.2, 0.25, 0.2, 0.1, 0, 0.23, 0.25, 0.4, 0.01, 0.2), y= c(0.76,0.81, 0.18,…

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R For SEO Part 3: Data Visualisation With GGPlot2 & Wordcloud

[This article was first published on R | Ben Johnston, and kindly contributed to R-bloggers]. (You can report issue about the content on this page here) Want to share your content on R-bloggers? click here if you have a blog, or here if you don’t. R For SEO Part 3:…

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[Solved] ggplot with 2 y axes on each side and different

Sometimes a client wants two y scales. Giving them the “flawed” speech is often pointless. But I do like the ggplot2 insistence on doing things the right way. I am sure that ggplot is in fact educating the average user about proper visualization techniques. Starting with ggplot2 2.2.0 you can…

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The modules are not clustered together after WGCNA

The modules are not clustered together after WGCNA 0 I am running WGCNA and trying to visualize the gene network as TOM plot. Rather than using the native function in the package, I am looking for plotting it out by ggplot. The main reason is I would like to also…

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Creating a non-stacked area plot in an easier way (ggplot2) : rprogramming

Hello! I don’t actually know what this type of chart would be called, but I essentially want to create a non-stacked area chart, ideally through one ggplot2 command. I’m able to create pretty much exactly what I’m after through simply calling geom_area() twice, as in the picture below. Here’s the…

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r – Change axis ranges for a ggplot based on a Predict object (rms package)

Unusually, the Predict class of rms has its own S3 method for ggplot, which automatically adds position scales, coordinates and geom layers. This makes it easier to plot Predict objects, but limits extensibility. In particular, it already sets the y limits via a CoordCartesian, which over-rides any y axis scales…

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r – Is it possible to use ggiraph interactive functions with ggplots generated using stat_summary

I am using stat_summary to generate a column plot from a dataframe. I would like to report the values to the user via tooltips using geom_col_interactive from ggiraph. I can get the values from the ggplot using ggplot_build and construct a tooltip as below. However, I cannot work out how…

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boxplot – Ggplot geom_boxplot showing incorrect upper whisker and additional outlier

I am not sure why my boxplot created with ggplot geom_boxplot is showing an incorrect upper whisker and showing the data point (value = 7) as an outlier for “Male” grouping red boxplot. I have analyzed the same data sheet in SPSS and confirmed the Q1, Q3, and other values…

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r – How to scatterplot in RStudio

I am trying to create a scatterplot in rstudio with my data. I am new to rstudio and having a lot of time understanding. The code I have found says plot(). This is what I used: plot(pa2_wti2$ï..Approving, pa2_wti2$ï..Price) Even when I tried a single it didn’t give me a scatter…

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Learn to draw with Nature Genetics: a simple example of R language ggplot2 drawing a world map

Whole genome resequencing of 445 Lactuca access requests the household history of cultivated lettuce image.png The data of this paper is public. We can try to reproduce the graph used to display the data in the paper with the public data. The first figure uses a map to show the…

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r – Changing the order of a variable type displayed on ggplot

This is my first post so apologies if it is not explained in the best of ways, I will improve. I have created a line graph with ggplot2 that shows the number of cases for a specific disease per age category over a couple of months. df %>% ggplot(aes(x =…

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scatter plot change in x, y axis

scatter plot change in x, y axis 0 Hi all, I am using the following code to make a scatter plot for a few genes. I could be able to change the Y-axis to the same scale using ylim(). But this did not help for the x-axis. Does anyone know…

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19MID0006_AdcVis_Assessment-3.pdf – 19MID0006-UDHAYAKUMAR.P library(ggplot2) # Warning: package ‘ggplot2’ was built under R version 4.1.2 # Importing

19MID0006-UDHAYAKUMAR.Plibrary(ggplot2)## Warning: package ‘ggplot2’ was built under R version 4.1.2# Importing the datasetpikachu<-read.csv(“C:/Users/P.UDHAYAKUMARPERUMAL/Downloads/pokemon.csv”) head(pikachu)Name<chr>Type.1<chr>Type.2<chr>Total<int>HP<int>Attack<int>Defense<int>Sp..Atk<int>Sp..Def<int>1 BulbasaurGrassPoison31845494965652 IvysaurGrassPoison40560626380803 VenusaurGrassPoison5258082831001004VenusaurMega VenusaurGrassPoison625801001231221205 CharmanderFire30939524360506 CharmeleonFire40558645880656 rows | 1-10 of 13 columns(1)Categorical v/s Categorical(1.1)Stacked Barchart(Name v/s Type.1)df1<-ggplot(pikachu, aes(x = Name,fill = Type.1)) + geom_bar(position = “stack”) df1+theme(axis.text.x=element_text(angle=90))(1.2)Grouped Barchart(Type.1 v/s Type.2)df2<-ggplot(pikachu,aes(x = Type.1,fill = Type.2)) + geom_bar(position…

Continue Reading 19MID0006_AdcVis_Assessment-3.pdf – 19MID0006-UDHAYAKUMAR.P library(ggplot2) # Warning: package ‘ggplot2’ was built under R version 4.1.2 # Importing

Trimming the X axis for ggPlot – General

ggplot2 has good documentation here if you haven’t seen it: ggplot2.tidyverse.org Generate expansion vector for scales — expansion This is a convenience function for generating scale expansion vectors for the expand argument of scale_(x|y)_continuous and scale_(x|y)_discrete. The expansion vectors are used to add some space between the data and the…

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r – How to combine two qualitative data to make a bar graph

If you want to make two graphs to display Yesterday and Today in a single ggplot (or want to display both in the same plot) you’ll need to include a pivot_longer Example data df <- as.data.frame(structure(c(1L, 2, 3, 4, 5, 6, “Male”, “Female”, “Female”, “Male”, “Male”, “Female”, “Very good”, “Good”,…

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Extract ggplot from a nested dataframe

I have created a set of ggplots using a grouped dataframe and the map function and I would like to extract the plots to be able to manipulate them individually. library(tidyverse) plot <- function(df, title){ df %>% ggplot(aes(class)) + geom_bar() + labs(title = title) } plots <- mpg %>% group_by(manufacturer)…

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[Solved] ggplot label placement for doughnut plot

mdat <- data.frame( category = c(“C”, “E”, “I”, “L”, “Mi”, “Mo”, “O”, “Q”, “S”, “V”), ct = c(147, 275, 431, 967, 121, 105, 17, 186, 620, 42)) mdat$category <- factor(mdat$category, levels = mdat$category) # Fractions mdat$fraction <- mdat$ct / sum(mdat$ct) # Cumulative fractions; this forms the top of each rectangle…

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How to Add Text to ggplot2 Plots (With Examples)

You can use the annotate() function to add text to plots in ggplot2. This function uses the following basic syntax: p + annotate(“text”, x=6, y=10, label= “hello”) where: x, y: The (x, y) coordinates where the text should be placed. label: The text to display. The following examples show how…

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How can I add a python’s ggplot object to a matplot grid?

I think the solution would be to first draw the ggplot part. Then obtain the matplotlib figure object via plt.gcf() and the axes via plt.gca(). Resize the ggplot axes to fit into a grid and finally draw the rest of the matplotlib plots to that figure. import ggplot as gp…

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[Solved] Color labels appearing as color code in gganimate for ggplot

df<- data.frame(x=mm_data$Bag, y= c(mm_data$totalp_red,mm_data$totalp_blue, mm_data$totalp_orange,mm_data$totalp_yellow, mm_data$totalp_brown,mm_data$totalp_green), group = c(rep(“Red”, nrow(mm_data)), rep(“Blue”, nrow(mm_data)), rep(“Orange”, nrow(mm_data)), rep(“Yellow”, nrow(mm_data)), rep(“Brown”, nrow(mm_data)), rep(“Green”, nrow(mm_data)))) group.colors <- c( “blue3″,”sandybrown”,”green3″,”darkorange” ,”red2″,”yellow”) ggplot(df, aes(x, y, group=group, color=group)) + geom_line() + geom_point() + geom_label_repel(label= df$group,max.overlaps = Inf)+ scale_color_manual(values = group.colors)+ ggtitle(“Colors present in my M&M Bag”) + ylab(“Distribution…

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normal distribution – How can I plot multiple lines in ggplot2 in R?

How can I do this plot in ggplot2 form? transform this image to ggplot2 in R its code is mydata<-data.frame(alph=c(rep(c(0.01,0.05,0.1),each=6)),case=c(rep(c(“R”,”N”,”R”,”N”,”R”,”N”),each=3) ), Tests=c(rep(c(“SW”,”AD”,”LF”,”SW”,”AD”,”LF”,”SW”,”AD”,”LF”),each=1) ) , means=c(0.461,0.504,0.460,0.816,0.796,0.794, 0.619,0.650,0.602,0.630,0.602,0.620, 0.689,0.721,0.690,0.512,0.481,0.511)) x<-c(1,2,3) y1<-mydata[4][mydata[2]==”R” & mydata[3]==”AD”,] plot(x, y1, type = “l”, xaxt = “n”,ylim=c(0,1), xlab = “Alpha”, ylab = “Means”) axis(1, labels = as.character(c(0.01,0.05,0.1)), at…

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Histograms using ggplot2 within loop

I agree with @GabrielMagno, facetting is the way to go. But if for some reason you need to work with the loop, then either of these will do the job. library(gridExtra) library(ggplot2) df<-matrix(NA,2000,5) df[,1]<-rnorm(2000,1,1) df[,2]<-rnorm(2000,2,1) df[,3]<-rnorm(2000,3,1) df[,4]<-rnorm(2000,4,1) df[,5]<-rnorm(2000,5,1) df<-data.frame(df) out<-list() for (i in 1:5){ x = df[,i] out[[i]] <- ggplot(data.frame(x),…

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ggplot2 – Stacking Regression Plots from two separate locations in one study on R

For separate regression lines on the same plot/facet you can do this: ggplot(oceanregression, aes(x=log_phosphorus, y=chl.a_mg.m3, color=location))+ geom_point(col=”black”, size=2.5)+ xlab(“log phosphorus nmol/L”)+ ylab(“Concentration of Chl in mg/m3″)+ theme_classic()+ geom_smooth(method=lm, formula=y~x) If you want to have split into facets, you can do this: ggplot(oceanregression, aes(x=log_phosphorus, y=chl.a_mg.m3, color=location))+ geom_point(col=”black”, size=2.5)+ xlab(“log phosphorus nmol/L”)+…

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r – Combine expression with function in ggplot

I’d like to make a ggplot function that allows me to choose a dataset, the data on x and y axes, and the y-axis label as an expression, but I can’t get the y-axis expression to be part of the function. here’s what I have so far: x_vs_time <- function…

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How to specify tagging levels when using textual layout in patchwork package? – General

I want to tag the plots: A1, A2, B. I can get A-C and A1-A3 but not what I am after, what am I missing? #Grid layout grid <- ” AABB CCCC ” #the following tags A-C patchwork <- p1 + p2 + p3 + plot_layout(design = grid, guides =…

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ggplot color problem – tidyverse

imposing limits effects the way colours are applied, you may have found a way to set the limits just so that the full range of colours is not expressed. I don’t feel able to comment on that without access to your data or something analogous Here is an attempt at…

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How best to output interactive ggplot graphs for screen size and readability like a normal ggplot? – General

Hello! I have this really simple plot example below using ggiraph to make it interactive. I have seen that this. You will see that in the example below we run gg_crime which is the ggplot version and finally the interactive one via girafe. My question is – how to best…

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ggplot2 – How To Update R Values

I have the below code which runs a 3 month picture of my metrics. I open the saved code, remove “Nov-21” and add “Feb-22”, then delete the first entry for each metric and add “Feb-22” entry to end of each metric (957L, 1208L, 1054L, 476L). Previously, the 3 month picture…

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r – Reversing discrete axis in ggplot doesn’t reverse data

Use geom_point instead of geom_count because you’re getting the point sizes from a column in your table, not by counting the rows. Use scale_fill_manual to use the colours that are specified in your table. Use reorder when specifying the y variable in ggplot to reverse the order. TEST_df = tribble(~CellType,~name,~value,~size,~colour,…

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ggplot2 – R: Connecting Points in Arbitrary Order

This question already has answers here: Closed 13 hours ago. I am working with the R programming language. I generated the following random data set in R and made a plot of these points: library(ggplot2) set.seed(123) x_cor = rnorm(5,100,100) y_cor = rnorm(5,100,100) my_data = data.frame(x_cor,y_cor) x_cor…

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put the global variable(here is ‘var’) in the bolditalic string in ggtitle of ggplot using for loop – tidyverse

reference : r – How to use bold, italic and underline in ggplot2 – Stack Overflow Hi, I want to put the global variable(here is ‘var’) in the bolditalic string in ggtitle of ggplot using for loop. The graph doesn’t have a value corresponding to ‘var’, it just comes out…

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ggplot2 – Fail to plot by group on a phyloseq object generated by R package Divnet

Once you already have your phyloseq object df_family, you can use the function estimate_richness from phyloseq. You can then join the sample meta data to this data frame of alpha diversities. Finally, you can use ggplot2 directly to customize your plot accordingly, e.g. to put different sample groups (here SampleType)…

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Add Significance Level & Stars to Plot in R (Example)

  In this tutorial, I’ll demonstrate how to annotate significance levels to a ggplot2 plot using the ggsignif package in the R programming language. Table of contents: Here’s how to do it:   Example 1: Draw Boxplot with Significance Stars The following R code illustrates how to create a box-and-whisker…

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r – How can I make ggplot place ticks at the ends of an axis without manually specificly the ticks?

I am outputting a lot of figures in a loop where the y axis varies in scale and range. I noticed that in most instances the last tick is well before the end of the axis and the data often extends above this last tick. I’d like a programmatic way…

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Correctly place geom_text labels in forest plot with “fill” parameter in ggplot2 – General

Hi There, I want to create annotated publication-ready forest plots comparing different models. How do I ensure that the labels are placed above and tight against the corresponding error bars and do not overlap? Thank you for your help! Here is what I tried: library(tidyverse) #> Warning: package ‘tibble’ was…

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ggplot2loon function – RDocumentation

Examples # NOT RUN { if(interactive()) { p <- ggplot(mtcars, aes(wt, mpg)) + geom_point() g <- ggplot2loon(p) p1 <- ggplot(mtcars) + geom_point(aes(x = wt, y = mpg, colour = factor(gear))) + facet_wrap(~am) g1 <- ggplot2loon(p1) # } # NOT RUN { df <- data.frame( x = rnorm(120, c(0, 2, 4)),…

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r – How to create several plots with different names at once (ggplot in a loop)

I have several variables that I have to visualize, each in a different plot. I have more than 20 variables, and I want to have each plot stored as an element, so I can create the final figures only with the ones that are useful for me. That’s why I…

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Loop through columns to generate PCA from DESeq2 data

I’d like to generate a PCA of my bulk RNAseq data, coloured by each of my variables in the DESeq2 object “vsd”. My current code looks like this (to generate a single plot): pcaData <- plotPCA(vsd, intgroup=c(“Age”, “BlastRate”), returnData=TRUE) percentVar <- round(100 * attr(pcaData, “percentVar”)) ggplot(pcaData, aes(PC1, PC2, color=Age, shape=BlastRate))…

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Function plot in ggplot incorrectly displayed as constant line-Tech Notes

Technical otaku 2022-03-08 I want to plot a high degree polynomial function with given coefficients.I created this functionf_erzeuger() is for writing a polynomial functionf to be able to use ggplot2 and stat_function(fun=f).coef is the coefficient vector of the polynomial function. f_erzeuger <- function(coef) { f <- function(x) { x_vec <-…

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How to Set the Number of Bins for a Histogram in ggplot2

You can use the bins argument to specify the number of bins to use in a histogram in ggplot2: library(ggplot2) ggplot(df, aes(x=x)) + geom_histogram(bins=10) The following examples show how to use this argument in practice. Example: Set Number of Bins for Histogram in ggplot2 The following code shows how…

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A Comprehensive Guide on ggplot2 in R

                                                                  Image source: Author       Introduction Visualization plays an important role in the decision-making process after analyzing relevant data. Graphical representation highlighting the interdependence of key elements affecting performance is important in the above process. There are many libraries in Python and R which provide different options showing…

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ggplot2 – Multiple Relative frequency histogram in R, ggplot

Below are some basic example with the build-in iris dataset. The relative part is obtained by multiplying the density with the binwidth. library(ggplot2) ggplot(iris, aes(Sepal.Length, fill = Species)) + geom_histogram(aes(y = after_stat(density * width)), position = “identity”, alpha = 0.5) #> `stat_bin()` using `bins = 30`. Pick better value with…

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string – R for-loop with assign & paste0

This question already has answers here: Closed 6 hours ago. I have multiple objects created as var_1, var_2, var_3, ect… I am wanting to create qq plots for all of the variables and save the plots as p_1, and ect…, but not continually copy and paste….

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R: Sort VI.ggplot points list

R: Sort VI.ggplot points list sort.VIgraph {BrailleR} R Documentation Sort VI.ggplot points list Description Allows the list of data points listed by VI.ggplot to be sorted by x or y values, ascending or descending. Currently only implemented for geom_points. This function is experimental and has not been extensively tested. Usage…

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ggplot2 – In geom_text() how to shirnk text label size and not lost mapping attributes

In below code, I add text to plot using geom_text() and mapping value to the size. But the label size is a little big compare to plot, How to shrink all of them to little size ? (and not lost the mapping attributes).Thanks! library(tidyverse) plot_data <- data.frame(category=c(‘A’,’A’,’B’,’C’), sub_category=c(‘a1′,’a2′,’b1′,’c1’), value=c(6,12,3,2)) plot_data…

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r – How to get dates aligned with data points in ggplot()

So I have ran into a problem where I can only get my data points to align with the x-axis labels when I specify in scale_x_date(…, date_breaks = “days”) which misrepresents the data. Could someone please give some indication why they aren’t aligned and how to fix it? tidy_sales$Week_End <-…

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Adding breaks to a y-axis on a facet_grid ggplot – tidyverse

Hello – I have spent days trying to figure out how to create breaks on my y-axis on a facet_grid in ggplot. I used scale_x_continuous to manipulate my x-axis, but that function will not work for my y-axis. My y-axis is depth in feet, is numeric, and has limits from…

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ggplot2 – How can I directly compute a t-test for proportion in R from a data frame using prop_test?

I have a data frame with n>1000 in which each row includes data for columns Year, which is a numeric year, and Gender, which is either “Male” or “Female”. I want to compute a t-test for the proportion of Gender == “Male” pairwise between Years. I have succeeded in creating…

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r – Plot multiple columns of points in ggplot

I have a data frame structured as follows: df <- data.frame(combo = c(“first”, “second”, “last”), effect.size = cumsum(rnorm(3)), upper.CI = cumsum(rnorm(3, mean = 3, sd=1)), lower.CI = cumsum(rnorm(3, mean = -3, sd=1))) I want to plot each combo with their associated confidence intervals. However, I am not sure how to…

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r – ggplot2 running for minutes without plotting

I am attempting to plot the below vector, but when I run the function, it just continues to run and does not plot. I have waited 5 minutes before I feel uncomfortable and click stop in the console. Wondering what is going on. Up until this point I have had…

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r – trying to make a ggplot with two lines

The trick is to gather the columns you want to map as variables. As I don’t know, how you want to plot your graph, means, about x-axis and y-axis, I made a pseudo plot. and for your continuous variable part, you can either convert your values to integer or numeric…

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Is there a way to mark up specific genes in MA-plot?

Is there a way to mark up specific genes in MA-plot? 1 Dear, everyone, I have this table, and created MAplot using the following steps. In this plot, I would like to mark up only the genes that I specify:for example, I would like to display the gene name in…

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r – Creating legend and defining colours for facetwrap with multiple geoms

I’m creating a faceted plot of each sampling point, and trying to show four variables – a bar (species abundance at each sampling point), a line for water depth at the sampling point, another line for river height (measured elsewhere), and symbols for treatment intervention. My problem is I can’t…

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r – Is it possible to change a line from a ggplot/geom_line plot depending on what month the datapoint corresponds to?

Yes, it’s possible. The easiest way to do it by creating a vector of your colors, the same length as the rows in your dataframe, and passing it to the col argument in geom_line(). Here is an example: library(dplyr, warn.conflicts = FALSE) library(ggplot2) library(lubridate, warn.conflicts = FALSE) # create some…

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how to desnature legend ggplot2 code example

Example 1: labs fill ggplot2 df <- data.frame(x=1:10,group=c(rep(“a”,5),rep(“b”,5))) legend_title <- “OMG My Title” ggplot(df, aes(x=x, fill=group)) + geom_density(alpha=.3) + scale_fill_manual(legend_title,values=c(“orange”,”red”)) Example 2: labs fill ggplot2 p <- ggplot(df, aes(x=rating, fill=cond)) + geom_density(alpha=.3) + xlab(“NEW RATING TITLE”) + ylab(“NEW DENSITY TITLE”) p <- p + guides(fill=guide_legend(title=”New Legend Title”)) Read more here:…

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R plot color by value in y-axis ggplot

No need for ifelse statement, just write your condition and then use scale_fill_manual: ggplot(Report, aes(x=Report$Name,y=Report$average_working_hours)) + ggtitle(‘working hours in July’) + ylab(‘ working hours’) + geom_bar(stat = ‘identity’, aes(fill = Report$average_working_hours > 8)) + theme_gray() + scale_fill_manual(values=c(‘blue’, ‘red’)) This can be done quite simply using dplyr. First thing I would…

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r – How to plot average prices on a map in ggplot2

I am plotting home prices on a map using ggplot2. However, the outliers of really expensive homes is making all of the colors on my plot look the same so I was hoping to use the median house price instead. Below is what I have so for which includes the…

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r – Reorder and split the ggplot heatmap based on the clusters in one of the columns

I generated a heatmap with ggplot, and order the samples by using hclust, However, I still need more reordering to get all the similar values corespondent with one of the samples in the ordered cluster. Here I generate a samples data to explain better. set.seed(99) M <- data.frame(names = paste0(“g”,…

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scrnaseq – Arrange ggplot Figure for scRNA-seq data

I have generated a ggplot for 8 single-cell libraries, with the purpose of visualizing the tSNE facet plot by sample, colored by cell type — with percentages. The best I could get to is this – however, it looks too crowded, and I also want the cell types to be…

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Plotting greek letters and plain text in ggplot2 graphs via Rpy2

R’s expression() is taking objects, calls, or expression and returns an expression (that’s a way to manipulate unevaluated code). expression(“alpha”) returns the string “alpha” (like it would if writing in R expression(“alpha”). One way to get an expression is to parse a string. Using your example in the question that…

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Bar Plots Practice Quiz.Rmd – -title: “Bar Plots Practice Quiz” author: “Jie Heng Yu” date: “10/11/2021” output: html_document -# 1. How do you modify a

— title: “Bar Plots Practice Quiz” author: “Jie Heng Yu” date: “10/11/2021” output: html_document — # 1. How do you modify a ggplot() command to tell R to make a bar plot? # 2. What is the difference between using geom_bar() & geom_bar(stat = “identity”)? # 3. Say you had…

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r – Ggplot2 legend with actual values instead of log

ProgrammerAnswered 1 days ago 0 I’ll start by loading the ggplot2 package. library(ggplot2) # v. 3.2.0 You can see I set a different color per fitted line. Since I’m setting these colors as constants this is done outside aes(). ggplot(mtcars, aes(mpg, hp) ) + geom_point() + geom_smooth(method = “lm”, se…

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r – Create a ggplot barplot with differently coloured horizontal rectangles as background

I like Allan Camerons approach best. Here is what I have tried to provide as an alternative using annotations: library(ggplot2) ggplot(data, aes(x=name, y=value))+ annotate(“rect”, xmin = 0.5, xmax = 4.5, ymin = 0, ymax = 5, fill = “red”, alpha = 0.2)+ annotate(“rect”, xmin = 0.5, xmax = 4.5, ymin…

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r – ggplot2 and grid.arrange, place legend below arranged plots

I am facing a problem when I arrange 2 ggplots next to each other using grid.arrange(). I want to place a legend evenly below both plots. So I have (pseudocode): p1 <- ggplot(data = df, aes(group = name, color=as.factor(fac), y = ys, x= (xs))) + geom_point() + geom_line() + theme(legend.position=”bottom”)…

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r – Set breaks between values in continuous axis of ggplot

From the ?scale_x_continuous help page, breaks can be (among other options) A function that takes the limits as input and returns breaks as output The scales package offers breaks_width() for exactly this purpose: ggplot(mpg, aes(displ, hwy)) + geom_point() + scale_x_continuous(breaks = scales::breaks_width(2)) Here’s an anonymous function going from the (floored)…

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Color scales in ggplot2: I am completely lost

There are so many ways to define colour scales within ggplot2. After just loading ggplot2 I count 22 functions beginging with scale_color_* (or scale_colour_*) and same number beginging with scale_fill_*. Is it possible to briefly name the purpose of the functions below? Particularly I struggle with the differences of some…

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Turning off ggplot2 grids in rpy2

It is basically done the same way one would do it when using ggplot2 from R. Here is an example that turn off the grid intersecting with the X axis. More ways to “theme” a plot can be found in documentations and tutorials for ggplot2. from rpy2.robjects.lib.ggplot2 import ggplot, aes_string,…

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r – ggplot unable to fill plot by dataframe variable

I am attempting to plot a dataset and have the points filled dependent on a variable within the dataset; however, I am not getting the results I expected with the following code: library(ggplot2) #> Warning: package ‘ggplot2’ was built under R version 4.0.5 library(RColorBrewer) #> Warning: package ‘RColorBrewer’ was built…

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Urgent mini project: Creat plot in R with ggplot | R Programming Language | Statistics

Use ggplot to create a plot in R. The plot should look exactly like the sketch attached. Here is the data: X <- c(0,3) HighMP <- c(-0.021248, 0.02615) LowMP <- c(-0.001879, -0.008904) Please use Times New Roman as font for the plot. The font size should be adjustable. The color…

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How to plot common y-axis text for combined figure (ggplot2)

I’m a beginner in R (and ggplot2). I’m trying to make 1×3 figure, and scale of y axis is same for all three figures. Also, I want to remove text and title of y axis for second and third plot. However, I realized that width of first figure become narrow…

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r – Where does ggplot set the order of the color scheme?

I think this is a reproducible example of what you’re seeing. In the diamonds dataset, the mean price of “Good” diamonds is actually higher than the mean for “Very Good” diamonds. library(dplyr) diamonds %>% group_by(cut) %>% summarize(mean_price = mean(price)) # A tibble: 5 x 2 cut mean_price <ord> <dbl> 1…

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Changing legend title in ggplot changes the shown legend aesthetic

I make some plot with ggplot2 like this: library(ggplot2) ggplot(df, aes(x, y, col= col)) + geom_point() Everything is good but as soon I set another legend title as shown here, the continuous colour gradient changes to some points in the legend: library(ggplot2) ggplot(df, aes(x, y, col= col)) + geom_point() +…

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r – How to change the resolution of animated plots (gif) in RStudio Viewer?

I guess those plots shown in the gganimate article were created on a Linux platform. gganimate by default uses the ‘png’ device for rendering the single frames. png() on windows however by default uses the Windows GDI which is not available on Linux (cairographics is used). This is (probably) why…

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r – ggplot multiple legends into one box

I am trying to combine multiple partial legends (i.e. for two different features of one plot) legends into one box. My real-life data is a plot made with geom_sf() with fill colors for polygons and a specific border highlighted made with geom_sf()with a line. Since the line is only one…

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ggplot2 – How to wrap graphs by categories while keeping the same width of bars with ggplot in R?

I am struggling with using facet_grid() and facet wrap() with ggplot(). I would like to be able to wrap the different stacked barcharts for every two categories (of the variable Department here) but at the same time have the same width of bars. The first action can be achieved with…

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r – ggplot two histograms in one plot

You can reference some of the other calculated values from stat functions using a notation that you may have seen before: ..value… I’m not sure the proper name for these or where you can find a list documented, but sometimes these are called “special variables” or “calculated aesthetics”. In this…

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ggplot2 – Create graphs by group using ggplot in R

I’m relatively new to using ggplot2 in R and have been struggling with this for awhile. I have figured out how to get everything from one data frame on a graph (that is pretty easy…), and how to write a loop function to get each observation (id in the example…

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Fixing abrupt changes/transitions in animated ggplot

I was wanting to make an animated ggplot of daily values for countries over the course of a year. I was able to do that thanks to some helpful questions/answers here. While the code below successfully makes a gif, the changes/transitions when countries move up or down/overtake one another is…

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Plotting date intervals in ggplot2

I have a dataset which has a bunch of date intervals (i.e. POSIXct format start dates and end dates). In the example provided, let’s say it’s each period is associated to when someone was in school or out of school. I’m interested in plotting the data in ggplot2, each row…

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Writing ggplot custom geometry function

stat_accum <- function(mapping = NULL, data = NULL, geom = “point”, position = “stack”, …, show.legend = NA, inherit.aes = TRUE) { layer( data = data, mapping = mapping, stat = StatAccum, geom = geom, position = position, show.legend = show.legend, inherit.aes = inherit.aes, params = list( na.rm = na.rm,…

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r – ggplot add horizontal line to grouped categorical data and share legend

I think for readability, it’s better to separate them out. However, for formatting purpose, you sure can bring them as close as you want by dropping the legend.title (not just assigning it an empty string) and adjusting the legend.margin and legned.spacing. For instance, library(tidyverse) data(mtcars) y = mean(mtcars$mpg) x =…

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Tutorial on Box Plot in ggplot2 with Examples – MLK

Introduction Boxplots are a useful visualization technique to understand the distribution and outliers in a dataset. In this article, we will go through the tutorial for box plot in ggplot2 function of R which is a popular visualization package. We will first understand the syntax of ggplot2 function geom_boxplot() for…

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Error on final object when generating ggplot objects in for loop with dplyr select()

I want to make many plots using multiple pairs of variables in a dataframe, all with the same x. I store the plots in a named list. For simplicity, below is an example with only 1 variable in each plot. Key to this function is a select() call that is…

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ggplot2 – R knitr Markdown: Output Plots within For Loop

I am using child Rmd files in markdown, also works in sweave. in Rmd use following snippet: “`{r run-numeric-md, include=FALSE} out = NULL for (i in c(1:num_vars)) { out = c(out, knit_child(‘da-numeric.Rmd’)) } “` da-numeric.Rmd looks like: Variabele `r num_var_names[i]` ———————————— Missing : `r sum(is.na(data[[num_var_names[i]]]))` Minimum value : `r min(na.omit(data[[num_var_names[i]]]))`…

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Using logic in listcols (ggplot2 edition)

I am trying to produce a slightly different result from a purrr::map iteration depending on a condition. Say I have this code producing plots and storing them in a dataframe: library(tidyverse) #> — Attaching packages ————————————— tidyverse 1.3.1 — #> v ggplot2 3.3.5 v purrr 0.3.4 #> v tibble 3.1.6…

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Decimal digits in `Slope Graph` with `ggplot2`

Following a former question I opened few weeks ago: Slope Chart – ggplot2 I face another issue, concerning the numeric values reported in the graph. Even specifying the decimal digits I need (exactly 3) with any of the two commands: y=round(y, digit = 3) at the endof the code or…

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Draw a fill (bar?) beneath line-segments using ggplot

I’m hoping there is an easy geom_ that is not geom_polygon to do what I’m trying to do here. I’d like to have “fills” extend down to 0 on the y-axis and split up by the grouping similar to how the line segments are split up by the “device_period” in…

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How to draw several lines with ggplot? ( R, Ggplot2 )

Problem : ( Scroll to solution ) This code draws 2 lines dd = list(data.frame(rates=1:5), data.frame(rates=2:6), data.frame(rates=3:7)) library(ggplot2) library(zoo) g = ggplot(, aes(1:5)) g <- g + geom_line(aes(y = dd[[1]]$rate[index(dd[[1]]) <= 5]), colour=”#000000″) g <- g + geom_line(aes(y = dd[[2]]$rate[index(dd[[2]]) <= 5]), colour=”#000000″) g But this code draws 1 line…

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