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...it out because it isn't obvious to me. Although my data is from biological experiments I think my problem is with R rather than the nature of the data, but I may be wrong. I am attempting to use the pvclust package to do some hierarchical clustering on some CGH data I have downloaded from the Progenetix database (http://www.progenetix.de/~pgscripts/progenetix/Aboutprogenetix.html). The data is in tab delimited format, each column is a single sample each row is a chromosome band some example dummy data is shown below. band sample1 sample2 sample3 sample4 1p36_33 1 0 0...

Hi all, I'm new to R and I'm struggling to decipher an error message. Briefly, I am trying to use the pvclust package to do hierarchical clustering of some CGH data. The data is from the Progenetix CGH database. It is arranged as a table where each column is a single case and each row is a single chromosome band. The value in each cell is either 0, 1, 2, or -1. Corresponding to no change, gain, high level amplification, or loss respectively Based on the documentation for the pvclust package I...