Summarize information on variables that match a given regex

Summarize information on variables that match a given regex. This function loops through a list of data.frames and pulls out the columns that match the regex and returns a joined data.frame of the name in the list, the variable, variable type, and the first instance of the variable as an example. This function is to help look at raw data in order to check which columns across files contain the same information.

summarize_variables(data_list, reg_ex, reg_ex_exclude = NULL)

summarize.variables

Arguments

data_list

A list of data.frames

reg_ex

A regular expression to select column names

reg_ex_exclude

A regular expression to exclude columns Use NULL to return all column names It is possible to edit this function to use the function select_colsfromlist())

See also

Other summarize column functions: find_col_info(), select_colsfromlist(), summarize_colnames(), summarize_ncol()