R help - Apr 2013 - remove duplicates in data frame

Hi,
Try ?unique()
You haven't provided reproducible data or information about the package.?
So, this may or may not work.

dat1<- data.frame(idvar=c(rep(1,2),2,4),col2=c(7,7,8,9))
?dat1
#? idvar col2
#1???? 1??? 7
#2???? 1??? 7
#3???? 2??? 8
#4???? 4??? 9
?unique(dat1)
#? idvar col2
#1???? 1??? 7
#3???? 2??? 8
#4???? 4??? 9
A.K.




I got the following message when trying to use Google motion charts. 

Error in gvisCheckMotionChartData(data, my.options) : 
? The data must have rows with unique combinations of idvar and timevar. 
Your data has 16264 rows, but idvar and timevar only define 16262 unique rows.
> 
How do I find and remove the two duplicate rows? 

Thanks, 
Johnny

> -----Original Message-----
>> How do I find and remove the two duplicate rows? 
> Try ?unique()
See also ?duplicated and consider the usage

d[ !duplicated(d), ]

where d is your data frame. But read the 'details' part of the help page
closely...

S Ellison

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