[R] Why x[1] is not getting substituted?

[David Winsemius]

On Sep 19, 2012, at 6:26 AM, PIKAL Petr wrote:

> Hi
> 
> because you need to evaluate it.
> 
> print(paste("Trial and" ,eval(x[1]), "sheet"))

The eval is superfluous, since paste() already evaluates its unquoted arguments.

>  print(paste("Trial and", x[1], "sheet"))
[1] "Trial and a sheet"
-- 
David.
> 
> Regards
> Petr
> 
> 
>> -----Original Message-----
>> From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-
>> project.org] On Behalf Of Sri krishna Devarayalu Balanagu
>> Sent: Tuesday, September 18, 2012 11:41 AM
>> To: r-help at r-project.org
>> Subject: [R] Why x[1] is not getting substituted?
>> 
>> Suppose I want the output as "Trial and a sheet" without quotes
>> x=c("a", "b", "c") print("Trial and x[1] sheet")
>> 
>> Getting  "Trial and x[1] sheet"
>> 
>> Can anyone help?
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> 
> ______________________________________________
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> and provide commented, minimal, self-contained, reproducible code.

David Winsemius, MD
Alameda, CA, USA