Preprocess Dataframe

Functions to modify a pandas dataframe e.g. rename columns, to standardise column headers. or to fill missing values with a string.

Preprocess Dataframe Utils

rename_column(df_col_names, before, after)	Rename column.
standardise_column_headers(df_col_names[, …])	Make dataframe headers lowercase and replace spaces by underscores.
fill_missing(df_col[, val])	Fill missing values with string of choice.