Re: [R] Fitting a curve to data

From: stephen sefick <ssefick_at_gmail.com>
Date: Tue, 01 Jul 2008 16:29:20 -0400

does loess return the values that it produces- take that and then integrate under the curve.

On Tue, Jul 1, 2008 at 4:28 PM, Shirin Safa <sh.safa_at_gmail.com> wrote:

> no this is not what I want.
> I was using "loess" function or smooth.spline.
> but For loess I don't know how would I be able to get the integral.
>
>
> On 7/1/08, stephen sefick <ssefick_at_gmail.com> wrote:
>>
>> ?lm
>> lm(x[,1]~x[,2])
>>
>> On Tue, Jul 1, 2008 at 2:28 PM, Shirin Safa <sh.safa_at_gmail.com> wrote:
>>
>>> Hi
>>>
>>> I have a set of data like this:
>>>
>>> *Time of Day* *Pct of Daily Volume* 9:45 7.50% 10 6.25% 10:15 4.45%
>>> 10:30 4.80% 10:45 4.45% 11:00 4.20% 11:15 2.50% 11:30 2.30% 11:45 2.25%
>>> 12:00 2.45% 12:15 2.60% 12:30 2.00% 12:45 2.05% 13:00 2.40% 13:15 1.90%
>>> 13:30 3.10% 13:45 2.90% 14:00 2.80% 14:15 2.50% 14:30 3.40% 14:45 4.40%
>>> 15:00 5.40% 15:15 4.00% 15:30 4.70% 15:45 6.20% 16:00 8.50%
>>>
>>> I want to fit a curve to the data and get the best function fitted,
>>> therefore I can calculate the integral of the function.
>>> How can I do that?
>>>
>>> Thanks,
>>> Shirin
>>>
>>> [[alternative HTML version deleted]]
>>>
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>>
>>
>>
>> --
>> Let's not spend our time and resources thinking about things that are so
>> little or so large that all they really do for us is puff us up and make us
>> feel like gods. We are mammals, and have not exhausted the annoying little
>> problems of being mammals.
>>
>> -K. Mullis
>
>
>

-- 
Let's not spend our time and resources thinking about things that are so
little or so large that all they really do for us is puff us up and make us
feel like gods. We are mammals, and have not exhausted the annoying little
problems of being mammals.

-K. Mullis

	[[alternative HTML version deleted]]

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Received on Tue 01 Jul 2008 - 20:32:26 GMT

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