Am 29.05.2011 12:11, schrieb Riccardo (Jack) Lucchetti:
> On Fri, 27 May 2011, Riccardo (Jack) Lucchetti wrote:
>
>> On Fri, 27 May 2011, Annaert Jan wrote:
>>
>>> I know there are functions to compute the mean, median, minimum,
>>> maximum and standard deviation for a series. I also know that using
>>> the summary command, skewness and excess-kurtosis are also computed.
>>> Is there an easy way to capture these last two statistics (I need
>>> them for further processing)? Of course, I could write a short
>>> function to do this, but as they are already available in Gretl in
>>> the summary command…
>>
>> Not a bad idea, in fact. I'll see what I can do in the next few days.
>
> Two new functions, skewness() and kurtosis(), are now in CVS. As soon as
> Allin approves them, I'll write the documentation.
>
> I had also thought of adding one more function, but I'm not certain it
> would be a good thing, so before I do, I'd like to hear the community's
> take: my idea was to write a function which takes a series, or a list,
> as argument and outputs a 4-column matrix with mean, sd, skewness and
> excess kurtosis.
>
> Pros: nice to have.
> Cons: one more reserved word in the namespace for something that is
> rather trivial to do via a short script.
>
Is there a compelling use case?
-sven