Difference in Uni-variate time series & Regression based Forecasting?

time_series

#1

Hi ,
Please explain the differences in methodologies used in uni-variate time series forecasting & regression based forecasting?


#2

A very good book which helps me understand the forecasting techniques is
https://www.otexts.org/fpp

This one explains all the methodologies in detail along with R codes. Hope you will find this useful as well.

Thanks,
Sudalai