[R] summing 15 minute precip data to daily

[Stephen Sefick]

Janet:

The zoo package and aggregate.zoo should do the trick.  I have done this
many times with these tools.
HTH,

Stephen

On Thu, 2011-02-17 at 11:56 -0800, Janet Choate wrote:
> Hi all,
> i'm sure there is an easy way to do this, but i'm stumped, so any help would
> be appreciated.
> 
> i have a single column of data for precipitation every 15 minutes over a
> year.  i want to sum the precip to daily data.
> so the first 96 records = the first day, the second 96 records = the second
> day, and so on....
> is there a way to write a for loop that would sum the data to daily, and
> write each value to a second object so i end up with a file of daily precip?
> 
> thanx,
> Janet
> 
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