[R] aregImpute: beginner's question

Hello R-help, Thanks for everyone's very helpful suggestions so far. I am now trying to use aregImpute for my missing data imputation. Here are the code and error messages. Any suggestions would be very much appreciated. Sincerely, Anders Corr

[R] missing data imputation

Dear R-help, I am trying to impute missing data for the first time using R. The norm package seems to work for me, but the missing values that it returns seem odd at times -- for example it returns negative values for a variable that should only be positive. Does this matter in data analysis,

[R] ordglm -- simple question

My attempt to test a model using ordglm code is running into problems, and I thought if you have a moment you might illucidate the situation. Here is the data: http://www.people.fas.harvard.edu/~corr/6.4.05.RData Here is the code: # I coerce tcn8 matrix data to a vector, because ordglm will

[R] NA erase your data trick

Oops, I just erased all my data using this gizmo that I thought would replace -9 with NA. A) Can I get my tcn5 back? B) How do I do it right next time, I learned my lesson, I'll never do it again, I promise! Anders Corr for(i in 1:dim(tcn5)[2]){ ##for the number of columns +

[R] row.names need reordering

Hi, The row.names in my matrix seem to be out of order. I don't remember putting row.names in in the first place, I don't see what use they are, and they are out of order (perhaps because I sorted them at one point when the data was in data.frame format). Can I delete the rownames? or at least