Re: [R] Is there any difference between <- and =

thanks for your supportive comments! by that time r programs will be scanned directly from your head, i suppose, and the intelligent scanner will as gladly take <- as it will =, so the problem will rather vanish. Yes, and maybe the scanner will be more intelligent than the programmer so when th

Re: [R] Is there any difference between <- and =

Alan Zaslavsky wrote: > I would argue that this is a matter of preference and the arguments on > "principle" for one side or another are not particularly compelling. indeed; i have argued (i think...) for treating them as equals, the vhoice being a matter of taste. > When the "=" was introduce

Re: [R] Is there any difference between <- and =

I would argue that this is a matter of preference and the arguments on "principle" for one side or another are not particularly compelling. When the "=" was introduced for assignment, an argument was made that name=value function arguments are also implicitly a kind of assignment. While Duncan

Re: [R] Is there any difference between <- and =

Sean Zhang wrote: > Dear Jens and Wacek: > > I appreciate your answers very much. > > I came up an example based on your comments. > I feel the example helped me to understand...(I could be missing your points > though :( ) > If so, please let me know. > Simon pointed out the following link: > http

Re: [R] Is there any difference between <- and =

I think most people find it odd at first if they have always used "=" but quickly you get use to it and nothing could be more clear. It is explicit. It is active and provides a direction, a value goes into an object. The equal sign for assignment is ambiguous. As an example x = 3 we only kn

Re: [R] Is there any difference between <- and =

Dear Jens and Wacek: I appreciate your answers very much. I came up an example based on your comments. I feel the example helped me to understand...(I could be missing your points though :( ) If so, please let me know. Simon pointed out the following link: http://www.stat.auckland.ac.nz/mail/arch

Re: [R] Is there any difference between <- and =

I think Venables' and Ripley's convention makes good sense: http://www.stat.auckland.ac.nz/mail/archive/r-downunder/2008-October/000300.html So we not only are explicit about what we are assigning, but where we are assigning it. Cheers, Simon. On Thu, 2009-03-12 at 17:10 -0700, David M Smith w

Re: [R] Is there any difference between <- and =

On Thu, Mar 12, 2009 at 8:29 AM, "Jens Oehlschlägel" wrote: > Thus there is dangerous advice in the referenced blog which reads: > " > f(x <- 3) > which means "assign 3 to x, and call f with the first argument set to the > value 3 > " The thrust of the blog post was the stylistic question of whe

Re: [R] Is there any difference between <- and =

Jens Oehlschlägel wrote: > Sean, > > >> would like to receive expert opinion to avoid potential trouble >> > [..] > >> i think the following is the most secure way if one really >> really has to do assignment in a function call >>f({a=3}) >> and if one keeps this convention, <- can b

Re: [R] Is there any difference between <- and =

Sean, > would like to receive expert opinion to avoid potential trouble [..] > i think the following is the most secure way if one really > really has to do assignment in a function call >f({a=3}) > and if one keeps this convention, <- can be dropped altogether. secure is relative, since due

Re: [R] Is there any difference between <- and =

Duncan Murdoch wrote: > > Use <- for assignment, and = for function arguments. Then the > difference between > > f( a = 3 ) > f( a <- 3 ) > > is clear, and you won't be surprised that a gets changed in the second > case. If you use = for assignment, the two lines above will be > written as > >

Re: [R] Is there any difference between <- and =

On Wed, Mar 11, 2009 at 7:18 AM, Sean Zhang wrote: > Dear R-helpers: > > I have a question related to <- and =. > > I saw very experienced R programmers use = rather than <- quite > consistently. > However, I heard from others that do not use = but always stick to <- when > assigning valuese. > >

Re: [R] Is there any difference between <- and =

On 3/11/2009 10:18 AM, Sean Zhang wrote: Dear R-helpers: I have a question related to <- and =. I saw very experienced R programmers use = rather than <- quite consistently. However, I heard from others that do not use = but always stick to <- when assigning valuese. I personally like = becaus

[R] Is there any difference between <- and =

Dear R-helpers: I have a question related to <- and =. I saw very experienced R programmers use = rather than <- quite consistently. However, I heard from others that do not use = but always stick to <- when assigning valuese. I personally like = because I was using Matabl, But, would like to re