Displaying 2 results from an estimated 2 matches for "sighat".
2000 Jul 26
3
Correlation matrices
Hello,
are there any good methods in R that will test if two correlation matrices (obtained in different ways) are equal? Something better than the Mantel test would be preferable.
Regards,
Patrik Waldmann
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2011 Apr 05
0
Changing parameter in local fdr R code
...xmax)^2, pmax(x - xmax, 0)^2)
sigs <- 1/sqrt(-2 * (c(co[2], co[2] + co[3])))
fp0["cmest", c(1, 2, 4)] <- c(xmax, sigs)
}
else {
X0 <- cbind(1, x - xmax, (x - xmax)^2)
xmaxx <- -co[2]/(2 * co[3]) + xmax
sighat <- 1/sqrt(-2 * co[3])
fp0["cmest", 1:2] <- c(xmaxx, sighat)
}
l0 <- as.vector(X0 %*% co)
f0 <- exp(l0)
p0 <- sum(f0)/sum(f)
f0 <- f0/p0
fp0["cmest", 3] <- p0
}
b = 4.3 * exp(-0.26 * log(N, 1...