search for: covd

Displaying 2 results from an estimated 2 matches for "covd".

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2009 Sep 04
2
lrm in Design package--missing value where TRUE/FALSE needed
Hi, A error message arose while I was trying to fit a ordinal model with lrm() I am using R 2.8 with Design package. Here is a small set of mydata: RC RS Sex CovA CovB CovC CovD CovE 2 1 0 1 1 0 -0.005575280 2 2 1 0 1 0 1 -0.001959580 2 3 0 0 0 1 0 -0.004725880 2 0 0 0 1 0 0 -0.005504850 2 2 1 1 0 0 0 -0.003880170 1 2 1 0 0 1 0 -0.006074230 2 2 1 0 0 1 1 -0.003963920 2 2 1 0 0 1 0 0.000658230 2 2 1 0 1 0 1 -0.002033610 2 0 0 0 0 0 1 -0.007761770 2 0 0 0 0 1 1 -0.0009...
2007 Feb 22
0
Error in solve.default
...%*% means.d^2 shrink[, 5] <- sqrt(K2 * (prob %*% means[, , 2]^2) + means.v) corr.m.m <- if(!corrs) NULL else { covm <- matrix(0, nrow = k, ncol = k, dimnames = list(names(Y), names(Y))) for(i in 1:r) { covd <- means.d[i, ] %o% means.d[i, ] covm <- covm + prob[i] * (covd + K2 * cov.m[i, , ]) } covm/(shrink[, 5] %o% shrink[, 5]) } trace <- list(rho = rho, tau = tau, sigma = sig, lpd = lpd, prob = prob, co...