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2009 Feb 06
1
Joint test
...b*z + b*y + b*x. I need to know if the first three (the "a"s) are jointly significantly different from the last three (the "b"s). I have tried several approaches, but have been unsuccessful. Here's the model, and the code I came up with, with the obvious shortcomings. modelPG2 <- coxph(Surv(t0, t, d) ~ civilian + monarch + txmonarch + civwar + lngdpcap + growth + tropen4 + dopen4 + lnpop + age0 + entry1 + powtimes...