[R] Got "Unexpected ELSE error"

[Uwe Ligges]

Shiazy Fuzzy wrote:
> Dear R-users,
> 
> I have a problem with the IF-ELSE syntax.
> Please look at the folllowing code and tell me what's wrong:
> 
> a <- TRUE
> if ( a )
> {
>         cat("TRUE","\n")
> }

At this point, the expression above is complete and it ios evaluated if 
called interactively.
Then, the code below is invalid (there is nothing that starts with "else").




> else
> {
>         cat("FALSE","\n")
> }


Instead, use:

a <- TRUE
if ( a )
{
         cat("TRUE","\n")
} else
{
         cat("FALSE","\n")
}


Uwe Ligges

> If I try to execute with R I get:
>      Error: syntax error, unexpected ELSE in "else"
> The strange thing is either "cat" instructions are executed!!
> 
> My system is: Fedora Core 6 x86_64 + R 2.5.0 (rpm)
> 
> Thank you very much in advance!!!!
> 
> Regards,
> 
> -- Marco
> 
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