Displaying 4 results from an estimated 4 matches for "hc4".
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2012 Jun 23
9
[PATCH 0/5] btrfs: lz4/lz4hc compression
WARNING: This is not compatible with the previous lz4 patchset. If you''re using
experimental compression that isn''t in mainline kernels, be prepared to backup
and restore or decompress before upgrading, and have backups in case it eats
data (which appears not to be a problem any more, but has been during
development).
These patches add lz4 and lz4hc compression
2012 Mar 12
2
Replicating Stata's xtreg clustered SEs in R
I'm trying to replicate a time-series cross-sectional analysis
(countries over years) with SEs clustered by country. ?The original
analysis was done in Stata 10 with: xtreg [DV] [IVs] fe
cluster(country).
Using plm() in R (cran.r-project.org/web/packages/plm/index.html),
I've replicated the coefficients. I sought to estimate
country-clustered SEs with vcovHC(), and tried a variety of
2006 Dec 26
1
Colored Dendrogram
...e you probably would want the F statistic
> > to use the other vcov as well).
>
> Good point. Here's a modified version that also fixes up the F-test:
>
> summaryHCCM.lm <- function(model, type=c("hc3", "hc0", "hc1", "hc2",
> "hc4"),
>
> ...){
> if (!require(car)) stop("Required car package is missing.")
> type <- match.arg(type)
> V <- hccm(model, type=type)
> sumry <- summary(model)
> table <- coef(sumry)
> table[,2] <- sqrt(diag(V))
> table[,...
2009 Jul 23
1
[PATCH server] changes required for fedora rawhide inclusion.
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