Re: [R] Heckman's method?

2003-01-30 Thread Ott Toomet
Hi, | | Are there any functions that include this process? | can you please be more specific? I have written a function for calculating Heckman type selection models (Tobit 5 models in Amemiya (1985)), if that is what you are looking for. Regards, Ott

[R] Heckman's method?

2003-01-30 Thread Arthur Ellen
Are there any functions that include this process? __ [EMAIL PROTECTED] mailing list http://www.stat.math.ethz.ch/mailman/listinfo/r-help