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Standardize data columns in R
... y = runif(10, 3, 5),
z = runif(10, 10, 20))
dat
dat2 <- dat %>% mutate_at(c("y", "z"), ~(scale(.) %>% as.vector))
dat2
which gives me this:
> dat
x y z
1 29.75859 3.633225 14.56091
2 30.05549 3.605387 12.65187
3 30.21689 ...
What exactly does git's “rebase --preserve-merges” do (and why?)
...e commits.
– DarVar
Dec 4 '13 at 11:20
20
@DarVar You always loose history on a rebase, because y...
Cannot download Docker images behind a proxy
..._PROXY) there.
– Mekk
Mar 17 '15 at 20:50
you shouldn't set the HTTP_PROXY for the docker client
...
textarea's rows, and cols attribute in CSS
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edited Jun 20 at 9:12
Community♦
111 silver badge
answered Jan 22 '14 at 10:57
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CSS vertical alignment text inside li
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answered Dec 20 '11 at 15:34
Asaf ChertkoffAsaf Chertkoff
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How to trigger an event after using event.preventDefault()
...em to work on IE10/11 ;(
– JonB
Jan 20 '14 at 16:04
47
Why did you censor the word "pain"?
...
Index on multiple columns in Ruby on Rails
... Nick Merrill
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answered May 29 '11 at 19:48
sscirrussscirrus
47.9k4141 gol...
How to write file if parent folder doesn't exist?
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edited Feb 20 '16 at 13:34
mcont
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a...
Unable to load DLL (Module could not be found HRESULT: 0x8007007E)
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edited Sep 20 '16 at 10:01
Graviton
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Why is rbindlist “better” than rbind?
...dlist.
– Ken Williams
Jul 10 '13 at 20:46
6
mnel, this post perhaps needs editing, now that rbind...