Find column information in a data.frame

For a data.frame, loop through the columns provided (cols_check) and summarise the number of non-NA entries and the groups that contain non-NA entries (for example if want to search trial, year, or filename), and return the first non-NA entry as an example

find_col_info(df, cols_check, by_col)

Arguments

df

A data frame

cols_check

A character vector of column names to check

by_col

A bare variable to summarise

See also

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