Re: Interested in TISEAN package for GSoC

[Juan Pablo Carbajal]

On Sat, Apr 4, 2015 at 5:57 PM, Juan Pablo Carbajal
<address@hidden> wrote:
> On Sat, Apr 4, 2015 at 3:34 AM, Andreas Weber <address@hidden> wrote:
>> Am 03.04.2015 um 05:04 schrieb Piotr Held:
>>> 2015-04-02 5:25 GMT-06:00 Juan Pablo Carbajal <address@hidden
>>> <mailto:address@hidden>>:
>>>     TISEAN is not maintained anymore, So inheriting bugs is just not good.
>>>     If TISEAN gets into Octave Forge I will take over maintenance with the
>>>     help of whoever is actively developing for it.
>>>     Also, I expect that in the long run TISEAN will eventually dissolve
>>>     into control, signal and tsa.
>>>
>>>     I will continue with the proposed methodology.
>>>
>>>
>>> Juan,
>>>
>>> I have tried to looked for functions in octave that correspond to the
>>> TISEAN programs. The results of my research I have put into a table that
>>> is accessible at the following link:
>>> http://wiki.octave.org/User:Josiah425:TISEAN_Package:Table_of_functions
>>>
>>
> Thanks Piotr,
>
> This is a nice step forward. Note that there is a folder "rountines"
> inside source_c that also needs to be checked. The tar.gz file can
> help you there. But what you did is the most important part.
> I have corrected some things in your list.
>
>> I had only a quick look on this page but:
>>
>> * The linkt to TISEAN doesn't work,. there is a stray | in the URL.
> Fixed
>
>> * av-d2, this is a simple MTA filter, use "filter" from core
>> * autocorr -> xcorr in core (with only 1 parameter)
>> * pca -> princomp in statistics
>> * sav_gol  -> sgolayfilt in signal package
>> * spectrum -> specgram in signal package?
> Not even, just binned fft. That is, hist (fft (.)) where the numbers
> of bins needs to be calculated form the user input. Or we can just
> port this function.
> btw, specgram needs to be renamed to spectrogram (change in matlab), I
> will take care of that.
>>
>> -- Andy
>
> * "compare" is just sqrt (sumsq (diff (data,[],2))).
>
> to be continued ...

I have modified some entrie sin the table, please continue.

comment about the table:
- Use one column for each thing. So comments should become several
columns: "Language of origin"(C, Fortran), "How to port"(m-file, port,
re-implement, etc...) and the other for "Status" (ported or not)