APO DP

hi sir,

please clarify all questions,

1.what are the inputs for the statistical forecast.?

2.what are the inputs for the proportional factors.?

3.out of thousands of records how can i define my selection id?

4.what is the hierarchy please give me brief info?

5.what is the fiscal year variant and time stream id?

6.what is drp?

7.how can we decide the best best model and forecast technique for a specific data?

8.what are the parameters of forecasting?