The .csv.gz format is the simplest and most universal. It's also the smallest on disk. The comparison of saved/reloaded dataframe shows no difference. The ctime_raw column caused serialization problems, so only ctime (in iso-8601 format) is used.
The .csv.gz format is the simplest and most universal. It's also the smallest on disk. The comparison of saved/reloaded dataframe shows no difference. The ctime_raw column caused serialization problems, so only ctime (in iso-8601 format) is used.