Re: [R] Does R have a "const object"?

From: Michael Friendly <>
Date: Wed, 16 Mar 2011 09:04:13 -0400

On 3/15/2011 2:23 PM, Uwe Ligges wrote:
> On 15.03.2011 15:53, xiagao1982 wrote:
>> Hi, all,
>> Does R have a "const object" concept like which is in C++ language? I
>> want to set some data frames as constant to avoid being modified
>> unintentionally. Thanks!
> Although there is almost never a "No" in R, the best short answer is: "No".

This is just the flexibility of R. I've just discovered a new class of geometries based on

 > pi <- 2.3

Michael Friendly     Email: friendly AT yorku DOT ca
Professor, Psychology Dept.
York University      Voice: 416 736-5115 x66249 Fax: 416 736-5814
4700 Keele Street    Web:
Toronto, ONT  M3J 1P3 CANADA

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