I'm having a problem. I have sales data of near one year dataset. It just have Date and sales, it's for forecasting in future. First i done it with SPSS Modeler with "Expert modeler" it gave me that my data is stacionary, but it wont gave me me any statistics. I wanted to now for sure that my series is stationary and i got results like this. As i understand the proces is non-stationary?
ANOVA, or Analysis Of Variance, is used to compare the averages or means of two or more populations to better understand how they differ. Watch this tutorial for more.