[R] 'for' in steps

[David Winsemius]

On Oct 27, 2011, at 6:29 PM, RhoR wrote:

> I want to use
> for (i in 1:time)

That is insufficient to tell what sort of date or date-time object you  
intend. You may want to look at:

?ISOdate
?DateTimeClasses

 > ISOdate(2011, 1:12, 1)
  [1] "2011-01-01 12:00:00 GMT" "2011-02-01 12:00:00 GMT" "2011-03-01  
12:00:00 GMT"
  [4] "2011-04-01 12:00:00 GMT" "2011-05-01 12:00:00 GMT" "2011-06-01  
12:00:00 GMT"
  [7] "2011-07-01 12:00:00 GMT" "2011-08-01 12:00:00 GMT" "2011-09-01  
12:00:00 GMT"
[10] "2011-10-01 12:00:00 GMT" "2011-11-01 12:00:00 GMT" "2011-12-01  
12:00:00 GMT"

>
> but I want the increments to be monthly.
>
> For example, if I'm adding interest to a virtual bank account  
> monthly, for a
> total of 'time' in years which the user has entered.
>
> Is there a simple way of doing this please? I'm not familiar with  
> many R
> functions yet.
>
> --
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>
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David Winsemius, MD
West Hartford, CT