[R] gumbel distribution

[Rolf Turner]

On 14/05/14 18:01, Frede Aakmann Tøgersen wrote:
> Don't know if I understand your last comment but I surely don't think
> that the Weibull and Gumbel distributions are the same. See their
> density function on e.g. Wikipedia.

Then *why* did you answer Ms. Botto's question about the Gumbel 
distribution with a pointer to the help on the *Weibull* distribution? I 
was very puzzled by this and thought that I must be 
missing/misunderstanding something.

cheers,

Rolf Turner


> Yours sincerely / Med venlig hilsen
>
>
> Frede Aakmann Tøgersen
> Specialist, M.Sc., Ph.D.
> Plant Performance & Modeling
>
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> From: eliza botto [mailto:eliza_botto at hotmail.com]
> Sent: 13. maj 2014 21:20
> To: Frede Aakmann Tøgersen; r-help at r-project.org
> Subject: RE: [R] gumbel distribution
>
> Thankyou very much Frede. It wasn't any home I am just trying to put my grip on distribution. Believe it or not, I came to know for the first time that weibull and gumbel distributions are same. :(
>
> Eliza
>
>> From: frtog at vestas.com<mailto:frtog at vestas.com>
>> To: eliza_botto at hotmail.com<mailto:eliza_botto at hotmail.com>; r-help at r-project.org<mailto:r-help at r-project.org>
>> Date: Tue, 13 May 2014 20:08:20 +0200
>> Subject: RE: [R] gumbel distribution
>>
>> Is this a home work problem?
>>
>> See
>>
>> Weibull package:stats R Documentation
>>
>> The Weibull Distribution
>>
>> Description:
>>
>> Density, distribution function, quantile function and random
>> generation for the Weibull distribution with parameters 'shape'
>> and 'scale'.
>>
>> Usage:
>>
>> dweibull(x, shape, scale = 1, log = FALSE)
>> pweibull(q, shape, scale = 1, lower.tail = TRUE, log.p = FALSE)
>> qweibull(p, shape, scale = 1, lower.tail = TRUE, log.p = FALSE)
>> rweibull(n, shape, scale = 1)
>>
>>
>> Yours sincerely / Med venlig hilsen
>>
>>
>> Frede Aakmann Tøgersen
>> Specialist, M.Sc., Ph.D.
>> Plant Performance & Modeling
>>
>> Technology & Service Solutions
>> T +45 9730 5135
>> M +45 2547 6050
>> frtog at vestas.com<mailto:frtog at vestas.com>
>> http://www.vestas.com
>>
>> Company reg. name: Vestas Wind Systems A/S
>> This e-mail is subject to our e-mail disclaimer statement.
>> Please refer to www.vestas.com/legal/notice<http://www.vestas.com/legal/notice>
>> If you have received this e-mail in error please contact the sender.
>>
>>
>>> -----Original Message-----
>>> From: r-help-bounces at r-project.org<mailto:r-help-bounces at r-project.org> [mailto:r-help-bounces at r-project.org]
>>> On Behalf Of eliza botto
>>> Sent: 13. maj 2014 19:57
>>> To: r-help at r-project.org<mailto:r-help at r-project.org>
>>> Subject: [R] gumbel distribution
>>>
>>> Dear useRs,
>>> I need some examples of gumbel probability plots in R. i'll be extremely
>>> grateful if you could share the codes of a working example.