[R] Minor warning about seq
Dieter Menne
dieter.menne at menne-biomed.de
Wed Dec 1 09:14:17 CET 2010
Prof. John C Nash wrote:
>
> I spent more time than I should have debugging a script because I wanted
> x<-seq(0,100)*0.1
>
> but typed
> x<-seq(O:100)*0.1
>
> seq(0:100) yields 1 to 101,
>
Which leads us to another rule: never use a variable called "O". I remember
this was a no-no even in my first Algol-course in 1967.
In a virginal Rgui:
> x<-seq(O:100)*0.1
Error in seq(O:100) : object 'O' not found
Dieter
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