[R] For loop indicies

Enrico Schumann enricoschumann at yahoo.de
Mon Dec 12 12:59:09 CET 2011


You may want to check how your loop "misses out" the zero:

C <- 5
for (i in 0:C) print(i)

## gives me

[1] 0
[1] 1
[1] 2
[1] 3
[1] 4
[1] 5


Regards,
Enrico

Am 12.12.2011 12:44, schrieb Thomas Chesney:
> I would like to run a for loop with an index going from 0 to 499 but the following seems to miss out the first value:
>
> C<- 499
> for (i in 0:C)
>
> The alternative is:
>
> C<- 500
> for (i in 1:C)
> {
> #Then every time I use i, I replace it with i-1
> }
>
> Is this a good way to do it or is tere a better way?
>
> Thank you,
>
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-- 
Enrico Schumann
Lucerne, Switzerland
http://nmof.net/



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