I do get an error in your example.
however try adding
if (x==1){
on another line and remove your extra parenthis and see what happens.
On Saturday, February 22, 2014 4:31:59 AM UTC-5, Emmanuel Charpentier wrote:
>
> I get "normal" error detection.
>
> In a worksheet (in 'r' mode) :
>
> bar<-function(x) {
> y<-x+3)
> return(y)
> }
>
> gives :
>
> Erreur : ')' inattendu(e) in:
> "bar<-function(x) {
> y<-x+3)"
> Erreur : objet 'y' introuvable
> Erreur : '}' inattendu(e) in "}"
>
>
> In a terminal :
>
> charpent@asus16-ec:~$ sage -R
>
> R version 3.0.2 (2013-09-25) -- "Frisbee Sailing"
> Copyright (C) 2013 The R Foundation for Statistical Computing
> Platform: x86_64-unknown-linux-gnu (64-bit)
>
> R est un logiciel libre livré sans AUCUNE GARANTIE.
> Vous pouvez le redistribuer sous certaines conditions.
> Tapez 'license()' ou 'licence()' pour plus de détails.
>
> R est un projet collaboratif avec de nombreux contributeurs.
> Tapez 'contributors()' pour plus d'information et
> 'citation()' pour la façon de le citer dans les publications.
>
> Tapez 'demo()' pour des démonstrations, 'help()' pour l'aide
> en ligne ou 'help.start()' pour obtenir l'aide au format HTML.
> Tapez 'q()' pour quitter R.
>
> [Sauvegarde de la session précédente restaurée]
>
> > bar<-function (x) {
> + y<-x+3)
> Erreur : ')' inattendu(e) in:
> "bar<-function (x) {
> y<-x+3)"
> >
>
> As William said, an example is necessary...
>
> HTH,
> --
> Emmanuel Charpentier
> Le vendredi 21 février 2014 17:18:59 UTC+1, Fred Gruber a écrit :
>>
>> Hi
>> I have noticed that when I'm in R mode and when define R functions
>> sometimes sage doesn't display errors if there are any. It just doesn't
>> define the function.
>>
>> Has anyone else noticed this? Is there anything I can do to get sage to
>> display the errors. It is hard to debug code when sage doesn't tell you
>> where is the problem.
>>
>> thanks
>> F
>>
>>
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