[R] How to fit my data with a distribution?

Bert Gunter gunter.berton at gene.com
Fri Jan 6 19:40:08 CET 2012


.... except, of course, that the distributions of all finite sets of
data are the same: discrete.

I think Andra would do well to seek help from his/her local
statistician, as his/her query seems to indicate considerable
confusion about basic concepts.

Please excuse me if I have misjudged.

-- Bert

On Fri, Jan 6, 2012 at 10:13 AM, David Winsemius <dwinsemius at comcast.net> wrote:
>
> On Jan 6, 2012, at 1:02 PM, Andra Isan wrote:
>
>> That MASS::fitdistr is used for the case when I have some sense about the
>> distribution of my data. When I do not know anything about my data, is there
>> any function that can I use to tell what distribution of my data is?
>
>
> ?density
>
>>
>> ________________________________
>> From: "R. Michael Weylandt <michael.weylandt at gmail.com>"
>> <michael.weylandt at gmail.com>
>>
>> Cc: "r-help at r-project.org" <r-help at r-project.org>
>> Sent: Friday, January 6, 2012 11:18 AM
>> Subject: Re: [R] How to fit my data with a distribution?
>>
>> MASS::fitdistr
>>
>> Michael
>>
>>>
>>> I have a bunch of data points as follows:
>>>
>>> x� 100
>>> y� 200
>>> z� 300
>>> ...
>>> where 100, 200, 300 are the values. I would like to know the distribution
>>> of my data? how can I fit my data into a distribution?
>>>
>>> Thanks a lot,
>>> Andra
>
>
> David Winsemius, MD
> West Hartford, CT
>
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-- 

Bert Gunter
Genentech Nonclinical Biostatistics

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