byNotEmptyAsDf by that automatically uses the complete dataframe and returns null if an empty or non existing data frame is handed over it automatically tries to convert the result list to a data frame again

byNotEmptyAsDf by that automatically uses the complete dataframe and returns null if an empty or non existing data frame is handed over it automatically tries to convert the result list to a data frame again

Usage

byNotEmptyAsDf(df, func)

Arguments

df

the data frame

func

the function that is applied to each row of the data frame