Have determined data best fits seasonal exponential smoothing forecast model. Doing my yearly forecasting but have hundreds of materials numbers to do my forecast. This is an extremely long and tedious process to do a forecast for each material number.
Steps
Set up actual data in excel JMP format.
First column month YR
Next 100 columns actual sales data for each material number .
import data into JMP
Analyze \ Specialized Modeling \ Time Series
Add Month YR to X, Time ID
Add material numbers to Y, Time Series
Click OK