Re: [R] error in lrm( )

2010-12-09 Thread David Winsemius
On Dec 9, 2010, at 8:06 AM, 笑啸 wrote: Dear Sir or Madam: I am a doctor of urology,and I am engaged in developing a nomogram of bladder cancer. May I ask for your help on below issue? I set up a dataset which include 317 cases. I got the Binary Logistic Regression model by SPSS.And then

[R] error in lrm( )

2010-12-09 Thread 笑啸
Dear Sir or Madam: I am a doctor of urology,and I am engaged in developing a nomogram of bladder cancer. May I ask for your help on below issue? I set up a dataset which include 317 cases. I got the Binary Logistic Regression model by SPSS.And then I try to reconstruct the model (lrm(REC