STCUMH: Stata module to check proportional hazards assumption

Kim Lyngby Mikkelsen ()
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Kim Lyngby Mikkelsen: Institute of Preventive Medicine, Denmark

Statistical Software Components from Boston College Department of Economics

Abstract: stcumh plots estimates of the cumulative baseline hazards for two strata in stratavar against each other. The slope of the plotted graph will (at any time point) approximately be the relative risk between the two strata. If the proportional hazards assumption between the two strata (in the equivalent unstratified Cox regression analysis) is fulfilled, the plot should be a straight line through (0,0).

Language: Stata
Date: 1998-07-22
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http://fmwww.bc.edu/repec/bocode/s/stcumh.ado program code (text/plain)
http://fmwww.bc.edu/repec/bocode/s/stcumh.hlp help file (text/plain)

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