> Sent: Tuesday, August 24, 2010 9:03 AM
> To: phgrosj...@sciviews.org
> Cc: r-devel@r-project.org
> Subject: Re: [Rd] small syntax suggestion
>
> hi ted, philippe, and others---I agree with everything you write about
> good coding practice.none of us would be writing x<-
On Tue, Aug 24, 2010 at 4:18 PM, Ted Harding
wrote:
> So, on those grounds, I doubt its wisdom (and would prefer
> giving the advice to bracket things, as in "x<(-3)". It's
> a potential syntactic trap, but it's only one of many which
> can be avoided in similar ways, and I think it's better to
>
On 24-Aug-10 14:42:11, Davor Cubranic wrote:
> On August 23, 2010 01:27:24 pm Philippe Grosjean wrote:
>> They have to write such a code like this:
>>
>> if (x < -3) do_something
>>
>> That way, there is no ambiguity. Don't you think it's important to
>> write clear code, including by using space
hi ted, philippe, and others---I agree with everything you write about
good coding practice.none of us would be writing x<-3, even when
we want to assign 3. we know better. we would at least use a space,
if not a paren. alas, my suggestion is not so much for you. It is
trying to spare novi
On August 23, 2010 01:27:24 pm Philippe Grosjean wrote:
> They have to write such a code like this:
>
> if (x < -3) do_something
>
> That way, there is no ambiguity. Don't you think it's important to
> write clear code, including by using spaces where it makes it easier
> to read,... and less amb
I tell to my students that it is very important (not only for
legibility) to place spaces between operands. They have to write such a
code like this:
if (x < -3) do_something
That way, there is no ambiguity. Don't you think it's important to write
clear code, including by using spaces where i
On 23-Aug-10 17:50:44, Barry Rowlingson wrote:
> On Mon, Aug 23, 2010 at 6:06 PM, Davor Cubranic
> wrote:
>
>> The students are trying to *compare* to a negative number, and
>> trip on> R's parsing of "<-". They could use '=' for assignment
>> all they want (which I thought is being discouraged a
On Mon, Aug 23, 2010 at 6:06 PM, Davor Cubranic wrote:
> The students are trying to *compare* to a negative number, and trip on R's
> parsing of "<-". They could use '=' for assignment all they want (which I
> thought is being discouraged as a code style these days, BTW), and they'll
> still r
On 2010-08-23, at 6:15 AM, Barry Rowlingson wrote:
> On Sun, Aug 22, 2010 at 4:33 PM, ivo welch wrote:
>> I have found that my students often make the mistake of
>> mixing up comparisons and assignments with negative numbers:
>>
>> if (x<-3) do_something;
>
> If you tell your students not to u
On Sun, Aug 22, 2010 at 4:33 PM, ivo welch wrote:
> Dear R development Team: I really know very little, so you may ignore
> this post. I have found that my students often make the mistake of
> mixing up comparisons and assignments with negative numbers:
>
> if (x<-3) do_something;
>
> I parenth
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