[R] difference between assignment syntax <- vs =

2009-02-21 Thread Thomas Mang
Hi, Both operators <- and = can be used to make an assignment. My question is: Is there a semantic difference between these two? Some time ago, I remember I have read that because of some reason, one should be given preference over the other - but I cannot remember the source, nor the argumen

Re: [R] difference between assignment syntax <- vs =

2009-02-21 Thread Sundar Dorai-Raj
Read the help page as to their differences: ?"<-" On Sat, Feb 21, 2009 at 7:30 AM, Thomas Mang wrote: > Hi, > > Both operators <- and = can be used to make an assignment. My question is: > Is there a semantic difference between these two? Some time ago, I remember > I have read that because of so

Re: [R] difference between assignment syntax <- vs =

2009-02-21 Thread Patrick Burns
'The R Inferno' page 78 is one source you can look at. Patrick Burns patr...@burns-stat.com +44 (0)20 8525 0696 http://www.burns-stat.com (home of "The R Inferno" and "A Guide for the Unwilling S User") Thomas Mang wrote: Hi, Both operators <- and = can be used to make an assignment. My quest

Re: [R] difference between assignment syntax <- vs =

2009-02-21 Thread Esmail Bonakdarian
Patrick Burns wrote: 'The R Inferno' page 78 is one source you can look at. Patrick Burns wow .. nice! .. thanks for posting this reference. Esmail __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read th

Re: [R] difference between assignment syntax <- vs =

2009-02-23 Thread Thomas Mang
Hi, thanks for the link. In the bottom part of the relevant section, you say: "Standard advice is to avoid using '=' when you mean '<-'" Is this a formal, generally accepted (R community) advice, or does it reflect you personal opinion? Note I am not asking this question as to criticize by

Re: [R] difference between assignment syntax <- vs =

2009-02-23 Thread Patrick Burns
Since this topic came up, I've been thinking that that sentence needs more work. The "standard" is not from me -- I'm a bit more agnostic than the statement although I personally always use '<-'. I'm thinking a revised version might be something along the lines of: Standard advice from most lon

Re: [R] difference between assignment syntax <- vs =

2009-02-23 Thread Thomas Lumley
On Mon, 23 Feb 2009, Patrick Burns wrote: Since this topic came up, I've been thinking that that sentence needs more work. The "standard" is not from me -- I'm a bit more agnostic than the statement although I personally always use '<-'. I'm thinking a revised version might be something along

Re: [R] difference between assignment syntax <- vs =

2009-02-23 Thread Wacek Kusnierczyk
Thomas Lumley wrote: > > Although it's probably true that most long-time R users use <-, this > is at least in part because a long-time R user would initially have > had to use <-, since = wasn't available in the distant past. > > I would say that it's entirely a matter of taste -- the things that

Re: [R] difference between assignment syntax <- vs =

2009-02-23 Thread Ken Knoblauch
Wacek Kusnierczyk idi.ntnu.no> writes: > > Thomas Lumley wrote: > > > > Although it's probably true that most long-time R users use <-, this > > is at least in part because a long-time R user would initially have > > had to use <-, since = wasn't available in the distant past. > > > > I would sa

Re: [R] difference between assignment syntax <- vs =

2009-02-23 Thread Wacek Kusnierczyk
Ken Knoblauch wrote: > Wacek Kusnierczyk idi.ntnu.no> writes: > > >> Thomas Lumley wrote: >> >>> Although it's probably true that most long-time R users use <-, this >>> is at least in part because a long-time R user would initially have >>> had to use <-, since = wasn't available in the d

Re: [R] difference between assignment syntax <- vs =

2009-02-23 Thread Kenneth Knoblauch
It's easier to read. Better machine-human interaction. ergonomic: (esp. of workplace design) intended to provide optimum comfort and to avoid stress or injury. Quoting Wacek Kusnierczyk : Ken Knoblauch wrote: Wacek Kusnierczyk idi.ntnu.no> writes: Thomas Lumley wrote: Although it's