I'm using data.table 1.12.9, the most recent development version
Minimal reproducible example
qtty_row_table <- 1000000L
a <- data.table::data.table(
V1 = rnorm(qtty_row_table),
V2 = rnorm(qtty_row_table),
V3 = rnorm(qtty_row_table)
)
a[, v0 := data.table::fcase(
V1 > 0 & V2 <= 1 & V3 > 1, V2 * 100L,
V1 > 1 & V2 <= 0 & V3 > 0, V3 * 100L,
V1 > -1 & V2 <= 2 & V3 > 1, V1 * 100L,
V1 > 1 & V2 <= 0 & V3 > 2, 300,
V1 > 0 & V2 <= 1 & V3 > 1, 100,
V1 > -1 & V2 <= 0 & V3 > -1, V1 * 100L,
default = 0
)]
Output of sessionInfo()
R version 3.5.2 (2018-12-20)
Platform: x86_64-w64-mingw32/x64 (64-bit)
Running under: Windows 10 x64 (build 18363)
Matrix products: default
locale:
[1] LC_COLLATE=English_United States.1252 LC_CTYPE=English_United States.1252 LC_MONETARY=English_United States.1252
[4] LC_NUMERIC=C LC_TIME=English_United States.1252
attached base packages:
[1] stats graphics grDevices utils datasets methods base
loaded via a namespace (and not attached):
[1] compiler_3.5.2 tools_3.5.2
I'm using data.table 1.12.9, the most recent development version
Minimal reproducible example
Output of sessionInfo()