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Can dplyr package be used for conditional mutating?
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220
Use ifelse
df %>%
mutate(g = ifelse(a == 2 | a == 5 | a == 7 | (a == 1 & b == 4), 2,
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Proper way to return JSON using node or Express
...nks again anyway.
– MightyMouse
Apr 22 '14 at 9:13
53
OK, but this method also returns properly f...
mysql :: insert into table, data from another table?
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answered Nov 22 '10 at 2:04
zerkmszerkms
222k5454 gold badges390390 silver badges478478 bronze badges
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.NET Process.Start default directory?
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answered Sep 22 '08 at 13:46
Dror HelperDror Helper
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On localhost, how do I pick a free port number?
... track of it.
– mark4o
Mar 7 '16 at 22:20
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How to disable zoom on Ctrl+scroll in Visual Studio 2010?
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225
Go to Tools->Extension manager, and search the online gallery for "wheel". Download "Disabl...
Add characters to a string in Javascript
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answered Apr 22 '11 at 11:00
BlazesBlazes
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Why is document.body null in my javascript?
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answered Mar 28 '12 at 22:44
Sergio TulentsevSergio Tulentsev
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How do I know the script file name in a Bash script?
...ere.
– Score_Under
Apr 28 '15 at 17:22
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