search for: ivhx

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2004 Nov 30
1
about the subscript assignment porblem
Hi, Dear, I have a problem for the new version 2.0 of R When I put this code in it give me the error: uis$ivhx3[uis$ivhx>0] <- 1*(uis$ivhx==3) Error: NAs are not allowed in subscripted assignments but this would happen in version 1.91 there are missing data in the data set and it is represented as NA the data set can be find on line at the ucla web actually this is a example from its web site the c...
2002 Jan 13
0
weighted regression: Osius & Rojek's test for logistic regression models
...: > summary(fm) [snip] Coefficients: Value Std. Error t value Pr(>|t|) (Intercept) 16.5302 0.7327 22.5616 0.0000 age -0.2175 0.0158 -13.7293 0.0000 ndrgfp1 -4.1627 0.2578 -16.1472 0.0000 ndrgfp2 -1.5025 0.0977 -15.3835 0.0000 ivhxPrevious 2.1504 0.2595 8.2872 0.0000 ivhxRecent 2.4429 0.2290 10.6676 0.0000 race -0.8732 0.2016 -4.3316 0.0000 treat -1.4424 0.1779 -8.1096 0.0000 site -0.6621 0.1977 -3.3486 0.0009 Residual standard error: 0.8755 on 512 degrees o...