---------- Forwarded message ---------- From: amna khan <amnakhan493@gmail.com> Date: Oct 6, 2007 11:02 AM Subject: cluster analysis To: Alberto Viglione <alviglio@gmail.com> Dear Sir I am facing problem in using traceWminim() function for cluster analysis. A sample of data frame that I am using is of the following form sitename lat long elev map 1 Dir 35.12 71.51 4675 1472.10 2 S.Sharif 34.44 72.21 3155 1051.70 3 Peshawar 34.01 71.35 1185 435.90 4 Kakul 34.11 73.15 4301 1330.17 5 Balakot 34.33 72.21 3214 1652.20 Sir when I used the above function for 2 clusters as> traceWminim(atsite,2)then the following error message appears Error in if (min.traceW.2 > traceW.1) { : missing value where TRUE/FALSE needed Please provide your guidance Thank You -- AMINA SHAHZADI Department of Statistics GC University Lahore, Pakistan. -- AMINA SHAHZADI Department of Statistics GC University Lahore, Pakistan. [[alternative HTML version deleted]]