Thanks for your help! Previous research suggests about 2 or 3 is the average number of clusters and 2 clusters seems to make sense in my research. Is there a way to check the quality of clusters? Is this the cross-validation method you outlined, and can it be achieved in SPSS?
Can anyone help me to figure out how to find the number of clusters I have in a hierarchical cluster analysis, which I'm doing in SPSS please?
I heard that Ward's method was the best to use to begin looking at how many clusters there are in a data set. I have around 200 participants and am...