Cast a column's type
Cast weight_lbs to a whole-number (integer) type, dropping the decimal. Use `.cast("Int64")` on the column, without `.alias(...)`, so it replaces the original column in place.
Cast weight_lbs to a whole-number (integer) type, dropping the decimal. Use `.cast("Int64")` on the column, without `.alias(...)`, so it replaces the original column in place.