Tidies up names of a data frame within certain rules

Usage

clean_names(df, convert = TRUE, verbose = options()$verbose)

clean_string(x)

Arguments

df: a data frame
convert: a logical to indicate if you want to modify df in the parent environment, or if not simply return a character vector of the revised variable names.
verbose: logical to print information on changes to the global environment or external files. Defaults to options()$verbose.
x: a character string to be cleaned.

Value

df is modified to have variable names that are

lower case
dots, slashes,+ replaced with _
no leading or trailing whitespace

so a variable called "Nasty/Var+Name " gets turned into "nasty_var_name" .

clean_names returns either a vector of cleaned names is return directly, or the input object is modified in the parent envirnoment (the default) and an invisible copy of the modified input returned

clean_string returns an individual vector with the contents cleaned.