How is this a SAS forum topic? It is up to you to decide if those 3 months represent the entire year well. When seasonality is suspected or modelled it is because there is some kind of regular pattern that repeats every year (like temperature, sunshine, influenza, etc.)
How is this a SAS forum topic? It is up to you to decide if those 3 months represent the entire year well. When seasonality is suspected or modelled it is because there is some kind of regular pattern that repeats every year (like temperature, sunshine, influenza, etc.)
Yes, if your sample data is representative of your full data set/yearly data.
No, if your sample data is not representative of your full data set/yearly data.
So, is three months representative of your data? Without a year of data you can't know so you may as well get a year of data.
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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.
Find more tutorials on the SAS Users YouTube channel.