selectColumns: Select columns from a data frame
In ss-lab-cancerunit/SpiderSeqR: A Tool for Integration of Big Bio Data

Description Usage Arguments Value Examples

This is a universal function for extracting only columns of interest from a data frame. Related functions exist, with pre-defined sets of columns, see documentation for selectColumns_Accession and selectColumns_Overview.

1	selectColumns(df, cols)

`df`	Data frame
`cols`	Character vector with column names to be retained

Original data frame containing only columns specified in cols

startSpiderSeqRDemo()
df <- searchForAccession("SRR2187611", file_output = FALSE)
df_sel <- selectColumns(df, c("run_accession", 
                              "study_accession", 
                              "SRA_experiment_title", 
                              "SRA_sample_attribute"))