DataCombine (version 0.1.12)

grepl.sub: Subset a data frame if a specified pattern is found in a character string

Description

Subset a data frame if a specified pattern is found in a character string

Usage

grepl.sub(data, patterns, Var, keep.found = TRUE, useBytes = TRUE)

Examples

# Create data frame
ABData <- data.frame(a = c("London, UK", "Oxford, UK", "Berlin, DE", "Hamburg, DE", "Oslo, NO"),
                     b = c(8, 0.1, 3, 2, 1))

# Keep only data from Germany (DE)
ABGermany <- grepl.sub(data = ABData, patterns = "DE", Var = "a")