Displaying 2 results from an estimated 2 matches for "bci90".
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lci90
2012 Oct 08
0
Mininum number of resamples required to do BCa bootstrap?
....5, 0.6, 0.7, 0.8, 0.9, 0.95, 0.99)
> b <- boot(s, varf, R = nReal) # bootstrap
> bv <- NULL # hold bootstrap mean variance estimates
> bias <- NULL #hold bias estimates
> bv[i] <- mean(b$t) # bootstrap mean variance
> bias[i] <- bv[i] - v[i] # bias estimate
> bCI90 <- boot.ci(b, conf = 0.90)
Error in bca.ci(boot.out, conf, index[1L], L = L, t = t.o, t0 = t0.o, :
estimated adjustment 'a' is NA
In addition: Warning messages:
1: In norm.inter(t, (1 + c(conf, -conf))/2) :
extreme order statistics used as endpoints
2: In boot.ci(b, conf = 0.9) :...
2012 Oct 02
0
Possible error in BCa method for confidence intervals in package 'boot'
....5, 0.6, 0.7, 0.8, 0.9, 0.95, 0.99)
> b <- boot(s, varf, R = nReal) # bootstrap
> bv <- NULL # hold bootstrap mean variance estimates
> bias <- NULL #hold bias estimates
> bv[i] <- mean(b$t) # bootstrap mean variance
> bias[i] <- bv[i] - v[i] # bias estimate
> bCI90 <- boot.ci(b, conf = 0.90)
Error in bca.ci(boot.out, conf, index[1L], L = L, t = t.o, t0 = t0.o, :
estimated adjustment 'a' is NA
In addition: Warning messages:
1: In norm.inter(t, (1 + c(conf, -conf))/2) :
extreme order statistics used as endpoints
2: In boot.ci(b, conf = 0.9) :...