Python, Pandas, Data Science, Machine Learning, Pandas Dataframe.
int64 to int8 if suitable, thereby reducing memory usage by eightfold. Source: https://jakevdp.github.io/PythonDataScienceHandbook/02.01-understanding-data-types.html df.info() """ <class 'pandas.core.frame.DataFrame'> RangeIndex: 1000000 entries, 0 to 999999 Data columns (total 14 columns): #