Tag: mydb

kraken2 database does not contain necessary file taxo.k2d

kraken2 database does not contain necessary file taxo.k2d 0 Hello everyone, I am trying to install use Kraken2 locally and am getting the error: kraken2: database (“./mydb”) does not contain necessary file taxo.k2d The database was built with the standard command: kraken2-build –standard –db mydb I don’t understand why this…

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StockSage AI | Devpost

Inspiration The world of finance and investing can often feel complex and overwhelming, especially for those without a background in the field. We’ve identified three roadblocks that hinder the investment journey for everyone: Navigating the Stock Market: The complexity and time-consuming nature of stock market navigation often deters potential investors….

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BLAST reference genome indexing

BLAST reference genome indexing 1 For some softwares I have had to index a reference genome prior to using blastn. Here is an example command: makeblastdb –in mydb.fsa –dbtype nucl –parse_seqids Whenever I do this I retain the original fasta file plus a bunch of extra files made by the…

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Installation and set up of R6 rocker object

Installation of current released version from CRAN install.packages(“rocker”) Installation of current development version from GitHub install.packages(“devtools”) devtools::install_github(“nikolaus77/rocker”) Create new rocker database handling object Option 1 db <- rocker::newDB() # New database handling object #> dctr | New object Option 2 db <- rocker::rocker$new() # New database handling object #> dctr…

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R connection to sqlite – Stackify

SQLite is a file level database, hence to reference it requires a full directory path. No where do you specify the working directory or a full path in the file name. By default, R will use the current working directory contained in getwd(). If database is not contained in this…

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r – RSQlite – Find values with most occurences in group

I’m using RSQlite to import Datasets from an SQlite-Database. There are multiple millions of observations within the Database. Therefor I’d like to do as much as possible of Data selection and aggregation within the Database. At some point I need to aggregate a character variable. I want to get the…

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