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Re: Using Stata’s random-number generators, part 2, drawing without...

Thanks for the post.Question: is there any difference between using the procedure outline above and the "sample" command?

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Re: Statalist

Hello, I am conducting a meta analysis which involves 27 prevalence studies. As I have a I square that greatly exceeds 50% I was wondering whether the Trim and Fill method would indeed be adequate to...

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Re: How to simulate multilevel/longitudinal data

This is very informative. I would note, however, that the three level with covariates example assumes that the three covariates are constructed in such a way that they are mutually uncorrelated which...

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Re: How to simulate multilevel/longitudinal data

I have been trying to create the three-level data without covariates. When I doclearprogram checkit, rclassversion 13drop _allset obs 6generate school = _ngenerate u_i = rnormal(0,2)expand 10bysort...

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Re: Export tables to Excel

Adding 'if' and weights to this command would be hugely helpful!

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Re: Retaining an Excel cell’s format when using putexcel

Is it possible to use putexcel for tabulate twoway? I can't seem to figure out the correct syntax from looking at tabulate oneway examples.

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Re: Multilevel linear models in Stata, part 1: Components of variance

very helpfull intro, but you should let the readers know that the xtmixed command was replaced by mixed in Stata 13.

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Re: Retaining an Excel cell’s format when using putexcel

I also want to know if it is possible to use putexcel for tabluate twoway with row frequency. I especially want to save the row frequency.Can you help? Thank you.

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Re: Using dates and times from other software

This was extremely helpful. Thank you!

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Re: Retaining an Excel cell’s format when using putexcel

Can you send an example into tech-support@stata.com

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Re: Understanding matrices intuitively, part 1

By far the best description of matrix multiplication i have seen. You should write a book. Very well presented article thanks.

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Re: Understanding matrices intuitively, part 2, eigenvalues and eigenvectors

Very very good explanation.I kind of feel sad that a material of this quality is not appreciated and i had to search a lot to get to this page. Finally i have understood the mystical eigen values. thanks

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Re: Understanding matrices intuitively, part 1

I also very much like your post. Having been struggling with visualizing the graphs and finally this is the thing I need. Thanks!

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Re: Understanding matrices intuitively, part 2, eigenvalues and eigenvectors

I think you really brought about a very important point which is eigen operations bring the matrix down to linear operations. And this is an insight that normally courses will not be able to appreciate.

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Re: Precision (yet again), Part I

Very clear explanation, thank you so much!!!

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Re: Multilevel linear models in Stata, part 2: Longitudinal data

Thank you so much. This has cleared my so long time confusion over time-series vs longitudinal data.

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Re: Understanding matrices intuitively, part 2, eigenvalues and eigenvectors

Just wanted to say thanks for this really great and visual explanation of eigenvectors =)

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Re: Multilevel linear models in Stata, part 2: Longitudinal data

Hi Chuck, I was trying to fit some mixed effect models (with random intercept and random slopes) but I wasn't able to get the estimates of the random effects (along with standard errors, t ratio, and p...

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Re: How to read the %21x format

I have a variable with values in the billions. I just want Stata to display the full number instead of displaying them using notation (e.g. 7.32e+09). How do I do that?

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Re: Measures of effect size in Stata 13

What do you think of the Cohen's f² measure of "local" effect size ? It has been recently proposed (by Selya et al., 2012, "A Practical Guide to Calculating Cohen’s f², a Measure of Local Effect Size,...

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