[R] Cluster analysis: dissimilar results between R and SPSS

Hello everyone! My data is composed of 277 individuals measured on 8 binary variables (1=yes, 2=no). I did two similar cluster analyses, one on SPSS 18.0 and one on R 2.9.2. The objective is to have the means for each variable per retained cluster. 1) the R analysis ran as followed: call

Re: [R] Cluster analysis: dissimilar results between R and SPSS

Hi Jeoffrey, How stable are the results in general ? If you repeat the analysis in R several times, does it yield the same results ? Tal Contact Details:--- Contact me: tal.gal...@gmail.com | 972-52-7275845 Read me:

Re: [R] Cluster analysis: dissimilar results between R and SPSS

I'm not sure why you'd expect Euclidean distance and squared Euclidean distance to give the same results. Euclidean distance is the square root of the sums of squared differences for each variable, and that's exactly what dist() returns. http://en.wikipedia.org/wiki/Euclidean_distance On a map,