[R] Need help on running Heckman Correction Estimation using R

Team, I am trying to resolve the self-selection bias of a sample in an experiment and would like to run the Heckman Correction Estimation using R. Can someone help me with the R-Code... I tried searching for the discussion, but not successful. Thanks in advance, Best, Kishore/.. http

[R] Help regarding White's Heteroscedasticity Correction

regression equation. After running the White's test, I got some new standard errors - but from here I didn't understand how to plot the residuals (or) how to correct the estimates?? Can some one direct me in this regard.. Best, Kishore/.. http://kaykayatisb.blogspot.com [[alternative

[R] Regarding Books on R

. Can some one guide me with some books on R and statistical models using R. Sincere thanks And Apologies if this thread was already available... Couldn't get in search Best, Kishore/.. [[alternative HTML version deleted]] __ R-help@r

[R] Help Regarding STL Technique

Team, I have a time series data with lot of seasonality and trends. I am familiar with some forecasting techniques, but for this set, I believe STL would be the best. Please let me know any tips to use STL using R. Best, Kishore [[alternative HTML version deleted

Re: [R] How to read 20 columns from the file

code. -- Kishore Kumar. Nalluri [[alternative HTML version deleted]] __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide

[R] header intact

-- Thanks Regards, Kamal Kishore Research Scholar Department of Biostatistics National Institute of Mental Health and Neuro Sciences (NIMHANS) Banglore-560029 Mob-+91-9591349768 Email:kamalkishorest...@gmail.com [[alternative HTML version deleted

[R] Problem with generated parameter estimates

=40,varb0=1050,B1=.2,varb1=.4,cor=.7) d - data$data LMER.1 - lmer(Score ~ Weeks + (1 + Weeks | ID), data = d, REML=F) summary(LMER.1) -- Thanks Regards, Kamal Kishore PhD Student [[alternative HTML version deleted]] __ R-help@r-project.org