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I'm experiencing immediate crashes to desktop for even simplest operations involving melt in all my win x64 machines after the latest melt updates. In MacOSX and Linux everything works fine. I tried to reinstall data.table several times but doesn't solve my problem. Commit "983c931b6eec96fe6aa52efefd1a1d6ea043074d" works fine for me.
The following minimal example is copy and paste from the melt documentation
set.seed(45)
require(data.table) # Latest github version
DT <- data.table(
i1 = c(1:5, NA),
i2 = c(NA,6,7,8,9,10),
f1 = factor(sample(c(letters[1:3], NA), 6, TRUE)),
f2 = factor(c("z", "a", "x", "c", "x", "x"), ordered=TRUE),
c1 = sample(c(letters[1:3], NA), 6, TRUE),
d1 = as.Date(c(1:3,NA,4:5), origin="2013-09-01"),
d2 = as.Date(6:1, origin="2012-01-01"))
# add a couple of list cols
DT[, l1 := DT[, list(c=list(rep(i1, sample(5,1)))), by = i1]$c]
DT[, l2 := DT[, list(c=list(rep(c1, sample(5,1)))), by = i1]$c]
# id, measure as character/integer/numeric vectors
melt(DT, id=1:2, measure="f1") ## Crashes R to desktopIs anybody else experiencing this behaviour in Windows or is it something with the way I setup all my win systems?
sessionInfo()
#R version 3.1.2 (2014-10-31)
#Platform: x86_64-w64-mingw32/x64 (64-bit)
#locale:
#[1] LC_COLLATE=English_United Kingdom.1252
#[2] LC_CTYPE=English_United Kingdom.1252
#[3] LC_MONETARY=English_United Kingdom.1252
#[4] LC_NUMERIC=C
#[5] LC_TIME=English_United Kingdom.1252
#attached base packages:
#[1] stats graphics grDevices utils datasets methods
#[7] base
#other attached packages:
#[1] data.table_1.9.5
#loaded via a namespace (and not attached):
#[1] chron_2.3-45 tools_3.1.2 Metadata
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