# forecast monthly change of inflation rate

#### Zonki

##### New Member
Hi

I am working on a project to forecast monthly change of inflation rate. I used SLR but the forecast doesnt seem to be correct. Could someone take a look please?

I am also not sure how to diagnose
time series (stationarity, trend, ARMA..) in Excel( is this even possible?)

I hope someone can help.
Thanks!

### Excel Facts

Best way to learn Power Query?
Read M is for (Data) Monkey book by Ken Puls and Miguel Escobar. It is the complete guide to Power Query.

#### oldbrewer

##### Board Regular
are you using previous monthly rates or looking at events liable to affect inflation ?

#### Zonki

##### New Member
I want to make two analyses - first based on previous rates / second based on events
For SLR i used previous rates, the second I dont know how to approach any advice?

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