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Can dplyr package be used for conditional mutating?
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Use ifelse
df %>%
mutate(g = ifelse(a == 2 | a == 5 | a == 7 | (a == 1 & b == 4), 2,
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How to remove all characters after a specific character in python?
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edited May 24 '09 at 22:25
pts
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delete map[key] in go?
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answered Nov 15 '09 at 1:22
user181548user181548
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Which is best way to define constants in android, either static class, interface or xml resource?
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edited Sep 22 '13 at 2:57
answered Jun 22 '12 at 6:04
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Algorithm to detect intersection of two rectangles?
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answered Sep 22 '08 at 15:28
Nils PipenbrinckNils Pipenbrinck
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Regular expression for a string that does not start with a sequence
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edited May 22 '09 at 20:05
answered May 22 '09 at 18:57
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mysql :: insert into table, data from another table?
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answered Nov 22 '10 at 2:04
zerkmszerkms
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Float vs Decimal in ActiveRecord
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edited Oct 22 '12 at 20:58
Jonathan Allard
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On localhost, how do I pick a free port number?
... track of it.
– mark4o
Mar 7 '16 at 22:20
add a comment
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How to get the seconds since epoch from the time + date output of gmtime()?
...lsnmichaels
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