find_var: Find variable

In renlund/dataman: Data management

Description

Look for a pattern in the names of R objects (typically data frames) and return the hits

Usage

find_var(pattern, dfs = TRUE, ignore.case = TRUE, ...)

find_info(pattern, ignore.case = TRUE, ..., verbose = TRUE)

Arguments

pattern	pattern to look for
dfs	logical or character string. If a character vector of the names of R objects is given, the names of these will be examined with grepr ; if TRUE all data frames in the global environment will be examined and if FALSE all objects with a 'names' attribute will be examined.
ignore.case	logical; should upper/lower case distinction be ignored? (default TRUE)
...	arguments to be passed to grep
verbose	logical, show messages?

Details

This function applies grepr to names of a set of R objects and returns the results as a list

Value

a list

Functions

• find_info: find_info only works on data frames (and similar objects) and looks at variable names as well as possible labels

Author(s)

Henrik Renlund

See Also

grepr, grep

Examples

require(datasets)
find_var(pattern="a", dfs=c("mtcars", "esoph"), index=TRUE)

renlund/dataman documentation built on May 27, 2019, 5:51 a.m.