I use command findit collin, and scroll to the last, then click


collin from https://stats.idre.ucla.edu/stat/stata/ado/analysis
collin. Collinearity Diagnostics / Philip B. Ender / Statistical Computing
and Consulting / UCLA Office of Academic Computing / ender@ucla.edu /
STATA ado and hlp files in the package / distribution-date: 20101123

but then it appear like this
unknown network protocol
https://stats.idre.ucla.edu/stat/stata/ado/analysis/ either
1) is not a valid URL, or
2) could not be contacted, or
3) is not a Stata download site (has no stata.toc file).


how can i download this commant, please help

anyway, i am running the fixed model for data panel, and trying to use collin to know the vif, what should be the value for vif suitable for checking collin ?