On Sat, 26 Jun 2010, Bryan Hanson wrote:
Thanks Chuck, I understand much better what is going on with your example.
But I'm still uncertain why the b2$t array does not have the dimensions of R
x no. of strata.
Because the test statistic returned by mm() is a scalar. It has nothing to
do with
Thanks Chuck, I understand much better what is going on with your example.
But I'm still uncertain why the b2$t array does not have the dimensions of R
x no. of strata.
Any further insight would be appreciated. Bryan
*
Bryan Hanson
Acting Chair
Professor of Chemistry & Biochemistry
De
On Sat, 26 Jun 2010, Bryan Hanson wrote:
Hello All. I must be missing the really obvious here:
mm <- function(d, i) median(d[i])
b1 <- boot(gravity$g, mm, R = 1000)
b1
b2 <- boot(gravity$g, mm, R = 1000, strata = gravity$series)
b2
Both b1 and b2 seem to have done (almost) the same thing, but
Hello All. I must be missing the really obvious here:
mm <- function(d, i) median(d[i])
b1 <- boot(gravity$g, mm, R = 1000)
b1
b2 <- boot(gravity$g, mm, R = 1000, strata = gravity$series)
b2
Both b1 and b2 seem to have done (almost) the same thing, but it looks like
the strata argument in b2 has
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