Definitive way to match Stata weighted xtile command using Python?

Question

For a project, I need to replicate some results that currently exist in Stata output files (.dta) and were computed from an older Stata script. The new version of the projec

Answer 1

Did you know that you can just read Stata's code?

. ssc install adoedit
. adoedit xtile

Answer 2

Here's a screenshot of the formulas from Stata 12 manuals (StataCorp. 2011. Stata Statistical Software: Release 12. College Station, TX: StataCorp LP, p. 501-502). If this does not help, you might ask this question on Statalist or contact Philip Ryan (the author of the original code) directly.