search for: prefdata

...constant. Constants are disallowed as part of a scale." when I turn the data into a matrix and look at the stats. I've been told that this means one of the variables doesn't vary much any more, but I am really stuck on how to sort this out. The code I have used is > summary(prefdata) > prefdata[prefdata>5]=NA > summary(prefdata) > prefdata2=as.matrix(prefdata[3:22]) > stats=paf(prefdata2) [1] "One of your variables is a constant. Constants are disallowed as part of a scale." Any help would be greatly appreciated, a few of us are stuck with this an...