[R] Sort a data frame with respect to more than one variable

[Romain Francois]

Le 21.09.2005 10:54, Marc Bernard a écrit :

>Dear All,
> 
>How can I sort a data frame with respect to more than one  variable?
> 
>I know that for one variable X  one may use:   df[order(df$X), ] where df is  the data frame containing X.
> 
>Many thanks,
> 
>Bernard
>  
>
You already know the answer of that question. order() accepts more than 
one variable.

x <- rep(rbinom(5,size=4,prob=.5), 6)
y <- rnorm(30)
cbind(x,y)[ order(x,y) , ]

Romain

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