Dear Martin,
Thanks for your reply. I tried "esttab" as below, but stata reports that it
is an unrecognized command. I search for "esttab" in help manual; the
results suggest no entry found in search on esttab. I have installed estout
files, I was just wondering what is the problem.
By the way, I am suing stata 10.
quietly heckman price weight, select(foreign = weight mpg) twostep
esttab, wide
unrecognized command: esttab
Best Wishes
Thanks
Wen
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