float(results[fileid][matchkey][int(meancols[imeancol])-1]) / \
results[fileid][matchkey][ len(results[f[:-4]][matchkey]) - 1 ]
float(results[fileid][matchkey][int(meancols[imeancol])-1]) / \
results[fileid][matchkey][ len(results[f[:-4]][matchkey]) - 1 ]