ValueError: Cannot add integral value to Timestamp without freq

[adroitashish]

plt.title('RSS: %.4f'% sum((results_AR.fittedvalues-ts_log_diff)**2))
vgsales.csv (1.3 MB)
forecasting.zip (597.7 KB)

[shubham.jain]

@adroitashish

Can you please describe your problem in a more proper sense as it is difficult to understand that what you are trying to achieve.