subsetByPattern: Subset a data frame based on string pattern matching

View source: R/visualisation.r

subsetByPatternR Documentation

Subset a data frame based on string pattern matching

Description

Subset a data frame based on string pattern matching on one of its character columns. Uses the function str_detect

Usage

subsetByPattern(x, colname, pattern)

Arguments

x

the data frame

colname

column name

pattern

a pattern suitable for use by str_detect, for instance 'Initial.*|Reflec.*|Contrac.*|Add.*'

Value

a data frame. Unnecessary levels have been dropped from factor columns.


csiro-hydroinformatics/mhplot documentation built on Jan. 29, 2023, 7:56 p.m.