Where to find sample expression for forecasting?

[#1]

i am using Qlik sense.

Would like to write an expression to forecast trends based on past 12-month data. I have numerous parameters. How should I do it?

[Gysbert_Wassenaar]

Try searching this site. You may want to use the linest_b and linest_m functions

This search will return results you might want to take a look at: https://community.qlik.com/search.jspa?q=forecast+linest_m+linest_b