Trial classification ignored variable distributions.

Trial classification ignored variable distributions.
Various authors (Vickers, 2006 and Založnik, 2006) advocate transformation of skewed variables as it stated they can bias clusters. Others (Openshaw and Wymer, 1995) say not necessary…
Who is correct?
Only solution to test the data…

Various authors (Vickers, 2006 and Založnik, 2006) advocate transformation of skewed variables as it stated they can bias clusters. Others (Openshaw and Wymer, 1995) say not necessary…