I'm not an expert but some third party libraries won't recognize = as an 
assignment for some objects (I learned this empirically) when the 
assignment is made within a function. Using <- protects you from these 
unknows, as you have discovered on your own.

Regards

David

On 6/27/2011 8:34 AM, Berry Boessenkool wrote:
>
> Hey all,
>
> I learned that using the equals sign "=" to assign objects is generally OK, but will not work in some cases.
> As I always use "<-" for assignments, I have not encoutered any problems.
>
> Could somebody provide an example or explanation, why getting used to "=" is not a good idea?
> Or is it?
>
> Thanks ahead,
>
> Berry
>
> -------------------------------------
> Berry Boessenkool
> University of Potsdam, Germany
> -------------------------------------
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