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Summarizing multiple columns with dplyr? [duplicate]
...; <dbl>
#> 1 1 3.08 2.98 2.98 2.91
#> 2 2 3.03 3.04 2.97 2.87
#> 3 3 2.85 2.95 2.95 3.06
If you want to summarize only certain columns, use summarise_at or summarise_if functions.
Alternatively, the purrrlyr package provides the same functionality:
library(pur...
Vim delete blank lines
...e choice..
– coanor
Nov 21 '12 at 5:04
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How to compare dates in Java? [duplicate]
...ght exclusive" borders, you can specify fe: a month interval easily: [2016/04/01, 2016/05/01], this why this is the normal and used as default in many use cases.
– Daniel Hári
May 10 '16 at 10:20
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Save string to the NSUserDefaults?
... tmanthey
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answered Jun 19 '10 at 5:37
drawnonwarddrawnonward
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Android Studio: Default project directory
...the question?
– AaA
Jun 23 '19 at 5:04
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how to read all files inside particular folder
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answered Apr 30 '11 at 8:04
AdiAdi
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Most tricky/useful commands for gdb debugger [closed]
...eful.
– Kiril Kirov
Jul 17 '14 at 9:04
1
Also, t a a bt (meaning thread apply all backtrace). Cou...
momentJS date string add 5 days
...s') instead.
– Bala
Jan 19 '16 at 7:04
1
The correct syntax : moment().add(5, 'days').format("D/M...
How to Parse Command Line Arguments in C++? [duplicate]
...ine options.
– iain
Jul 31 '14 at 8:04
4
This is nice, but two minor improvements were needed: Fi...
Asp.net - Add blank item at top of dropdownlist
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answered Nov 5 '08 at 23:04
Dillie-ODillie-O
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