From: jose silva <chess.player_at_oninet.pt>

Date: Fri 06 May 2005 - 08:31:08 EST

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R-help@stat.math.ethz.ch mailing list

https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html Received on Fri May 06 08:37:05 2005

Date: Fri 06 May 2005 - 08:31:08 EST

Dear R users:

I have a quick question:

is there any way to get a subset of a data frame with the ordered indexes or without these indexes?

mydata<- data.frame(A=seq(1,10), B=c(-5,2,-4,6,-8,-9,2,5,7,0))
subset(mydata, B>0)

A B

2 2 2

4 4 6

7 7 2

8 8 5

9 9 7

I would like to obtain this:

A B

1 2 2

2 4 6

3 7 2

4 8 5

5 9 7

or this

A B

I think this is possible but I dont know how...
any sugestion?

thanks

jose silva

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R-help@stat.math.ethz.ch mailing list

https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html Received on Fri May 06 08:37:05 2005

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