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Hi Saurav! On Sun, Jul 12, 2009 at 6:06 PM, Pathak, Saurav<s.pathak08 at imperial.ac.uk> wrote: > I am new to R, I have to do a 2 step Heckman model, my selection equation is > below which I was successful in running but I am unable to proceed further, > > > > I have so far used the following command > > glm(formula = s ~ age + gender + gem...

...R 3. How can this eb done in R using my concept or otherwise does there exist anotehr way of doing what I wish to achieve Please help Thanks# Saurav -- Dr.Saurav Pathak PhD, Univ.of.Florida Mechanical Engineering Doctoral Student Innovation and Entrepreneurship Imperial College Business School s.pathak08@imperial.ac.uk 0044-7795321121 [[alternative HTML version deleted]]

...ial(link="probit),data=dataset) Please kindly help me with the relevant commands for creating this Level2 (having two variables) Thanks Saurav Dr.Saurav Pathak PhD, Univ.of.Florida Mechanical Engineering Doctoral Student Innovation and Entrepreneurship Imperial College Business School s.pathak08@imperial.ac.uk 0044-7795321121 [[alternative HTML version deleted]]

...ed for the first part of how to import this big file from Stata to R and then how to open the imported Stata file in R? Kindly help Thanks in advance -- Dr.Saurav Pathak PhD, Univ.of.Florida Mechanical Engineering Doctoral Student Innovation and Entrepreneurship Imperial College Business School s.pathak08@imperial.ac.uk 0044-7795321121 [[alternative HTML version deleted]]

...d 797124 entries ]] Is there a way to see the entire set of data, ie all of 900,000 obs, and how to then save this "variab" Thanks Saurav -- Dr.Saurav Pathak PhD, Univ.of.Florida Mechanical Engineering Doctoral Student Innovation and Entrepreneurship Imperial College Business School s.pathak08@imperial.ac.uk 0044-7795321121 [[alternative HTML version deleted]]

...in the equation, although since I am new to R, I do not exactly know what exactly will fix my problem, so any help will be highly appreciated Thanks -- Dr.Saurav Pathak PhD, Univ.of.Florida Mechanical Engineering Doctoral Student Innovation and Entrepreneurship Imperial College Business School s.pathak08@imperial.ac.uk 0044-7795321121 [[alternative HTML version deleted]]

...regression command such that the variable "yearctry" could be passed/assigned as the panel variable? Kindly help Thanks in advance Saurav -- Dr.Saurav Pathak PhD, Univ.of.Florida Mechanical Engineering Doctoral Student Innovation and Entrepreneurship Imperial College Business School s.pathak08@imperial.ac.uk 0044-7795321121 [[alternative HTML version deleted]]

..._gdppc + imf_pop + estbbo_m, family = binomial(link = "probit"), data = adpopdata) Can anyone help me do this please??? Thanks Saurav -- Dr.Saurav Pathak PhD, Univ.of.Florida Mechanical Engineering Doctoral Student Innovation and Entrepreneurship Imperial College Business School s.pathak08@imperial.ac.uk 0044-7795321121 [[alternative HTML version deleted]]

...he results of this selection equation would then be used as a control in the second stage where an OLS is to be run Thank you for any suggestions -- Dr.Saurav Pathak PhD, Univ.of.Florida Mechanical Engineering Doctoral Student Innovation and Entrepreneurship Imperial College Business School s.pathak08@imperial.ac.uk 0044-7795321121 [[alternative HTML version deleted]]

...e above probit is calculated using lmer?* Is there any other way (if lmer does not do this) to get IMR of a 3 level probit Kindly help Thanks Saurav -- Dr.Saurav Pathak PhD, Univ.of.Florida Mechanical Engineering Doctoral Student Innovation and Entrepreneurship Imperial College Business School s.pathak08@imperial.ac.uk 0044-7795321121 [[alternative HTML version deleted]]

...e es_gdppcppp as a country level variable grouped by yearctry (such that yeractry no of obs should be 239) Please help Thanks in advance Saurav -- Dr.Saurav Pathak PhD, Univ.of.Florida Mechanical Engineering Doctoral Student Innovation and Entrepreneurship Imperial College Business School s.pathak08@imperial.ac.uk 0044-7795321121 [[alternative HTML version deleted]]

...bit)$IMR1 Error in `$<-.data.frame`(`*tmp*`, "IMR", value = c(2.50039945424535, : replacement has 257358 rows, data has 343251* -- Dr.Saurav Pathak PhD, Univ.of.Florida Mechanical Engineering Doctoral Student Innovation and Entrepreneurship Imperial College Business School s.pathak08@imperial.ac.uk 0044-7795321121 [[alternative HTML version deleted]]

...smaller file of both versions are working fine) or is it the size issue, Its pretty important for me, kindly address this question Thanks Saurav -- Dr.Saurav Pathak PhD, Univ.of.Florida Mechanical Engineering Doctoral Student Innovation and Entrepreneurship Imperial College Business School s.pathak08@imperial.ac.uk 0044-7795321121 [[alternative HTML version deleted]]

...he smaller file of both versions are working fine) or is it the size issue, Its pretty important for me, kindly address this question Thanks Saurav -- Dr.Saurav Pathak PhD, Univ.of.Florida Mechanical Engineering Doctoral Student Innovation and Entrepreneurship Imperial College Business School s.pathak08@imperial.ac.uk 0044-7795321121 [[alternative HTML version deleted]]