search for: wc08221

Displaying 1 result from an estimated 1 matches for "wc08221".

2008 Mar 03
1
using 'lrm' for logistic regression
Hi R, I am getting this error while trying to use 'lrm' function with nine independent variables: > res = lrm(y1994~WC08301+WC08376+WC08316+WC08311+WC01001+WC08221+WC08106+WC0810 1+WC08231,data=y) singular information matrix in lrm.fit (rank= 8 ). Offending variable(s): WC08101 WC08221 Error in j:(j + params[i] - 1) : NA/NaN argument Now, if I take choose only four independent variables then there is no error. > res = lrm(y1994~ WC08221+WC0...