Df1
2017-01-27 01
2017-01-26 03
2017-01-27 15
2017-04-03 02
Df2
2017-01-26 03
2017-01-27 00
2017-01-27 15
2017-04-03 18
Latest
2017-01-27 01
2017-01-27 00
2017-01-27 15
2017-04-03 18
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`pmax(Df1, Df2)` – thelatemail May 24 '17 at 08:51
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Please read [ask] and [mcve] and https://stackoverflow.com/questions/5963269/how-to-make-a-great-r-reproducible-example – jogo May 24 '17 at 09:12
1 Answers
0
apply(data.frame(a=c("2016-01-01","2016-02-01", "2017-01-01"),
b=c("2016-02-01","2016-01-01", "2016-12-01")), 1, max)
This should give you the newest date per line
Gregor Ma
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