groupStat {easybio} | R Documentation |
Perform Summary Analysis by Group Using Regular Expressions
Description
This function applies a specified function to each group defined by a regular expression pattern applied to the names of a data object. It is useful for summarizing data when groups are defined by a pattern in the names rather than a specific column or index.
Usage
groupStat(f, x, xname = colnames(x), patterns)
Arguments
f |
A function that takes a single argument and returns a summary of the data. |
x |
A data frame or matrix containing the data to be summarized. |
xname |
A character vector containing the names of the variables in |
patterns |
A list of regular expressions that define the groups. |
Value
A list containing the summary statistics for each group.
Examples
library(easybio)
groupStat(f = \(x) x + 1, x = mtcars, patterns = list("mp", "t"))
[Package easybio version 1.1.1 Index]