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2004 Aug 12
2
error using daisy() in library(cluster). Bug?
Hi,
I'm using the cluster library to examine multivariate data.
The data come from a connection to a postgres database, and I did a short R
script to do the analisys. With the cluster version included in R1.8.0, daisy
worked well for my data, but now, when I call daisy, I obtain the following
messages:
---------
Error in if (any(sx == 0)) { : missing value where TRUE/FALSE needed
In
2004 Aug 12
9
Giving a first good impression of R to Social Scientists
Dear all,
in the coming Winter Semester, I will be a teaching assistant for a course
in Survival Analysis. My job will be to do the lab sessions. The software
used for these lab sessions will be R. Most of the students have a
background in social sciences and the only stats package they used so far is
most likely SPSS.
So I assume they might be quite surprised the first time they see R