Hi all, I am trying to recreate an analysis I found as part of a research project. The author states that the performed an non-metric multidimensional scaling with Sorensen distance. The data is life history characteristics (max size, max age, age at maturity, larval size, and fecundity) for bivalves. Using their data I calculated the sorensen dissimilarity matrix in R using the distance function, then analyzed that matrix using the Multidimensional scaling option in JMP Pro 14. The result I get is this weird circle that I have attached. I also get it when I run my own similar, but larger, dataset. I've also tried running the MDS in R where I get a similar circle/curve. Does anyone know what could be leading to this? The stress seem quite low to me at 0.1 but I don't know if that is unusual.
I'm new to multivariate analysis so any feedback you have to offer would be helpful.
It was an issue with data transformation. Thanks for the reply