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Stata新命令:超级强大的
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egen
→egenmore
→gtools
Stata 中的 egen
命令提供了大量的函数,能大幅提高数据处理效率。
随后由 Nicholas J. Cox 提供的 egenmore
进一步丰富了 egen
的函数库,在文字处理方面的功能大幅提高。
而今,由 Mauricio Caceres 编写的 gtools
命令组则在速度提升方面将上述工作向前推进了一大步。
让我们怀着崇高的敬意访问 「gtools 主页」。
下面是作者写的感言:
Hi! I'm Mauricio Caceres; I made gtools after some of my Stata jobs were taking literally days to run because of repeat calls to egen
, collapse
, and similar on data with over 100M rows. Feedback and comments are welcome! I hope you find this package as useful as I do.
Along those lines, here are some other Stata projects I like:
-
ftools
: The main inspiration for gtools. Not as fast, but it has a rich feature set; its mata API in particular is excellent. -
reghdfe
: The fastest way to run a regression with multiple fixed effects (as far as I know). -
ivreghdfe
: A combination ofivreg2
andreghdfe
. -
stata_kernel
: A Stata kernel for Jupyter; extremely useful for interacting with Stata.
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