search for: jaredcrubin

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2017 Aug 03
0
Results of vcovCL (sandwich) and of cluster() in Stata
...h represents clustered robust standard errors. If I try to reproduce in R the analysis, I get the same coefficient, but I'm not able to get the same SE. The author made the stata file available here: https://drive.google.com/file/d/0B_QoCd-1jkVXTmNDWmViWkJFdmM/edit?usp=sharing (see: http://www.jaredcrubin.com/research) To make the regression, he uses (as far as I can understand the stata code) the following command: local conditions "city != "Mainz" & city != "Wittenberg" & city != "Z?rich"" reg prot1530 press if `conditions' & pop1500 != .,...