[R] Thanks!

[R_Learner]

Haha I'll definitely keep that in mind...parse does complicated things.


Marc Schwartz wrote:
> 
> on 07/03/2008 10:35 AM R_Learner wrote:
>> Thanks guys!
>> I think [[ seems to be the easier way, but I also spent an hour (while my
>> post was pending approval) to find that the following also works:
>> 
>> temp<- eval(parse(text=paste("data$column_title"")))
> 
> To quote Thomas:
> 
>  > fortune("parse()")
> 
> If the answer is parse() you should usually rethink the question.
>     -- Thomas Lumley
>        R-help (February 2005)
> 
> :-)
> 
> In general, you should look at other means such as using assign() or 
> get(), which in this case could be something like:
> 
> MyCol <- "Sepal.Length"
> 
>  > with(iris, get(MyCol))
>    [1] 5.1 4.9 4.7 4.6 5.0 5.4 4.6 5.0 4.4 4.9 5.4 4.8 4.8 4.3 5.8 5.7
>   [17] 5.4 5.1 5.7 5.1 5.4 5.1 4.6 5.1 4.8 5.0 5.0 5.2 5.2 4.7 4.8 5.4
> ...
> 
> See ?assign, ?get and ?with
> 
> 
> To further quote "Yoda":
> 
>  > fortune("Yoda")
> 
> Evelyn Hall: I would like to know how (if) I can extract some of the
> information from the summary of my nlme.
> Simon Blomberg: This is R. There is no if. Only how.
>     -- Evelyn Hall and Simon 'Yoda' Blomberg
>        R-help (April 2005)
> 
> 
> Regards,
> 
> Marc
> 
> ______________________________________________
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> PLEASE do read the posting guide
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> and provide commented, minimal, self-contained, reproducible code.
> 
> 

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