On Thu, 02 May 2013 22:04:26 +0200, peter dalgaard <pda...@gmail.com> wrote:


On May 2, 2013, at 20:33 , Lorenzo Isella wrote:

On Wed, 01 May 2013 23:49:07 +0200, peter dalgaard <pda...@gmail.com> wrote:

It still doesn't work!!!!!



Apologies; since I had already imported nnet in my workspace, the script worked on my machine even without importing it explicitly (see the script at the end of the email).
Sorry for the confusion.

You still owe us an answer why you thought that this:

Coefficients:
     (Intercept)     science       socst femalefemale
low     1.912288 -0.02356494 -0.03892428   0.81659717
high   -4.057284  0.02292179  0.04300323  -0.03287211

Std. Errors:
     (Intercept)    science      socst femalefemale
low     1.127255 0.02097468 0.01951649    0.3909804
high    1.222937 0.02087182 0.01988933    0.3500151

Residual Deviance: 388.0697

is at all different from the Stata output. As far as I can tell it is EXACTLY the same!

Apologies for being insistent, but this will come up in Internet searches as "I couldn't make R do what Stata does".



You are right. I must have messed up my workspace...

In any case, the idea that R is somehow inferior to stata never crossed my mind. Rather, I was puzzled because I (not R) could not reproduce an allegedly almost textbook-like example I found on the web.
Many thanks for your help.

Lorenzo

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