grepColEntries: Subset of data.frame containing string

In rrMisc: Little Helpers

Description

Get a subset of a data.frame with specified string in a given column.

Usage

grepColEntries(d.frame, col.name, part.name, ...)

Arguments

d.frame	data.frame
col.name	Name of column
part.name	Search string in column names
...	Arguments passed to further functions

Details

Unlike subset which works with '==' or '%in%', here search is performed using grep() in a fashion of 'like', meaning substrings are recognized.

Value

Subset of data.frame for which selection conditions are met.

Note

under continuous developement

Author(s)

Roland Rapold

References

none

See Also

grepColNames grepColNA grepObjNames grepNotCompleteEntries grepMultipleEntries grepRowNames grepColNegNum grepColFactors

Examples

if(require("MASS"))
{
    data(crabs, package="MASS")
    print(head(grepColEntries(crabs, "sex", "M")))
    print(head(grepColEntries(crabs, "index", "2")))
}

rrMisc documentation built on June 25, 2021, 3 a.m.