[R] Cumulative Function

[Sean Davis]

Will ?cumsum help?

Sean

On 8/26/05 5:15 AM, "Mark Miller" <mmiller at nassp.uct.ac.za> wrote:

> I was wandering if anyone cold advise me on a good algorithm to turn a set of
> data from its original for into its cumulative form.  I have written a piece
> of code that takes the data and does essentially what a histogram function
> would do, except add to the new bin the sum in the previous bin.  Once that
> is done I divide by the frequency in the last bin plus 1.  I know the ecdf()
> function exists in R, but I want to use it to fit the cumulative
> distributions to the data and ecdf() produces a non-subscriptable vector and
> so fitdistr() cannot be used on it.
> 
> Thanks for any help you can give
> Mark Miller
> 
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