Effective Python: Converting Datatypes in Pandas
programming
Python
effective python
Series method astype it is already a number and you want to change the type. Will not coerce.
pd methods - have coerce - generally what you want, e.g., non floats to nan rather than have method fail.
to_datetime : Convert argument to datetime. to_timedelta : Convert argument to timedelta. to_numeric : Convert argument to a numeric type.