[R] evaluating a vector of characters

[Henrique Dallazuanna]

Try:
sapply(paste("Data$x", 1:3, sep=""), function(x)eval(parse(text=x)))

On 07/01/2008, Gregory Gentlemen <gregory_gentlemen at yahoo.ca> wrote:
> Dear R users,
>
> I'd like to evaluate a vector of characters. For example, say I have a data frame called Data including the field names x1, x2, x3, and I'd like to a list out of paste("Data$x", 1:3, sep=""). How can I get list to evaluate paste("Data$x", 1:3, sep="") as an R object rather than a string?
>
> Thanks in advance for you assistance.
> Gregory
>
>
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-- 
Henrique Dallazuanna
Curitiba-Paraná-Brasil
25° 25' 40" S 49° 16' 22" O