It works, thanks a lot Gabor
Erik
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Hello,
In a data frame I want to identify ALL duplicate IDs in the example to be
able to examine OS and time.
(df-data.frame(ID=c(userA, userB, userA, userC),
OS=c(Win,OSX,Win, Win64),
time=c(12:22,23:22,04:44,12:28)))
IDOS time
1 userA Win 12:22
2 userB OSX 23:22
3 userA Win
On 02.10.2011 16:05, Erik Svensson wrote:
Hello,
In a data frame I want to identify ALL duplicate IDs in the example to be
able to examine OS and time.
(df-data.frame(ID=c(userA, userB, userA, userC),
OS=c(Win,OSX,Win, Win64),
time=c(12:22,23:22,04:44,12:28)))
IDOS time
1
On Sun, Oct 2, 2011 at 10:05 AM, Erik Svensson
erik.b.svens...@gmail.com wrote:
Hello,
In a data frame I want to identify ALL duplicate IDs in the example to be
able to examine OS and time.
(df-data.frame(ID=c(userA, userB, userA, userC),
OS=c(Win,OSX,Win, Win64),
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