Re: [JPP-Devel] Methods to calculate Frequency in OJ?

2018-05-22 Thread Giuseppe Aruta 
Possibile easy solution: jmathplot has a getdata() method that retrives a 
matrix [frequency for interval][intervals]. Il 21 mag 2018 10:44 PM Michaël 
Michaud  ha scritto:
>
> Hi Peppe,
>
> I think that OpenJUMP plugins including statistical functions make use of 
> jmatharray-20070905. It does not include so many functions, but it is very 
> lightweight.
> Maybe Stefan knows a bit more about it. 
>
> Maybe there are some other places where statistical functions have been 
> coded. Do cou need it for feature attribute analysis or for image analysis ?
>
> Michaël
>
> Le 21/05/2018 à 20:03, Giuseppe Aruta a écrit :
>>
>> Hi all,
>> do we have calsses/methods in OJ core to calculate frequencies (absolute, 
>> relative and cumulative) of an array of numbers? I can implement these 
>> methods but I would prefer to use something already in the OJ source.
>> thanks
>> Peppe
>>
>>
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Re: [JPP-Devel] Methods to calculate Frequency in OJ?

2018-05-22 Thread Giuseppe Aruta 
possibly to reuse Sextante>Tools for Polygons> Grid Statistics in polygons
tool (if it would work )

2018-05-22 10:39 GMT+02:00 Rahkonen Jukka (MML) <
jukka.rahko...@maanmittauslaitos.fi>:

> Hi,
>
>
>
> Focal statistics that uses vector layer as a mask would be nice to have. I
> would have a use case for counting pixels which have value above a certain
> limit inside some polygons.
>
>
>
> -Jukka-
>
>
>
> *Lähettäjä:* Giuseppe Aruta [mailto:giuseppe.ar...@gmail.com]
> *Lähetetty:* 22. toukokuuta 2018 11:25
> *Vastaanottaja:* OpenJump develop and use <jump-pilot-devel@lists.
> sourceforge.net>
>
> *Aihe:* Re: [JPP-Devel] Methods to calculate Frequency in OJ?
>
>
>
> thanks Jukka
>
>
>
> 2018-05-22 9:59 GMT+02:00 Rahkonen Jukka (MML) <jukka.rahkonen@
> maanmittauslaitos.fi>:
>
> Hi,
>
>
>
> I was thinking about color theming as well because it knows how to apply
> Maximal Breaks, Jenks, Quantiles etc. but we do have some tools also in the
> Tools – Statistics menu.
>
>
>
> Sextante must have something in Focal statistics, Local statistics and
> probably in a few other places as well.
>
>
>
> -Jukka Rahkonen-
>
>
>
> *Lähettäjä:* Stefan Steiniger [mailto:sst...@geo.uzh.ch]
> *Lähetetty:* 22. toukokuuta 2018 1:38
> *Vastaanottaja:* jump-pilot-devel@lists.sourceforge.net
> *Aihe:* Re: [JPP-Devel] Methods to calculate Frequency in OJ?
>
>
>
> Hi Peppe,
>
> not that I know of... I was thinking there could be something related to
> colors theming - but I don't think so with respect to the type you want i
> even doubt that jmath has. I used only "counts" (like for histograms);
> which is a bit different - or? But you could also check if Sextante has
> something?
>
> For OJ source code you could just run a text search using "frequency"
>
> cheers,
>
> Stefan
>
>
>
> On 5/21/18 17:44, Michaël Michaud wrote:
>
> Hi Peppe,
>
> I think that OpenJUMP plugins including statistical functions make use of
> jmatharray-20070905. It does not include so many functions, but it is very
> lightweight.
> Maybe Stefan knows a bit more about it.
>
> Maybe there are some other places where statistical functions have been
> coded. Do cou need it for feature attribute analysis or for image analysis ?
>
> Michaël
>
> Le 21/05/2018 à 20:03, Giuseppe Aruta a écrit :
>
> Hi all,
>
> do we have calsses/methods in OJ core to calculate frequencies (absolute,
> relative and cumulative) of an array of numbers? I can implement these
> methods but I would prefer to use something already in the OJ source.
>
> thanks
>
> Peppe
>
>
>
> --
>
> Check out the vibrant tech community on one of the world's most
>
> engaging tech sites, Slashdot.org! http://sdm.link/slashdot
>
>
>
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>
>
>
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Re: [JPP-Devel] Methods to calculate Frequency in OJ?

2018-05-22 Thread Rahkonen Jukka (MML) 
Hi,

Focal statistics that uses vector layer as a mask would be nice to have. I 
would have a use case for counting pixels which have value above a certain 
limit inside some polygons.

-Jukka-

Lähettäjä: Giuseppe Aruta [mailto:giuseppe.ar...@gmail.com]
Lähetetty: 22. toukokuuta 2018 11:25
Vastaanottaja: OpenJump develop and use <jump-pilot-devel@lists.sourceforge.net>
Aihe: Re: [JPP-Devel] Methods to calculate Frequency in OJ?

thanks Jukka

2018-05-22 9:59 GMT+02:00 Rahkonen Jukka (MML) 
<jukka.rahko...@maanmittauslaitos.fi<mailto:jukka.rahko...@maanmittauslaitos.fi>>:
Hi,

I was thinking about color theming as well because it knows how to apply 
Maximal Breaks, Jenks, Quantiles etc. but we do have some tools also in the 
Tools – Statistics menu.

Sextante must have something in Focal statistics, Local statistics and probably 
in a few other places as well.

-Jukka Rahkonen-

Lähettäjä: Stefan Steiniger [mailto:sst...@geo.uzh.ch<mailto:sst...@geo.uzh.ch>]
Lähetetty: 22. toukokuuta 2018 1:38
Vastaanottaja: 
jump-pilot-devel@lists.sourceforge.net<mailto:jump-pilot-devel@lists.sourceforge.net>
Aihe: Re: [JPP-Devel] Methods to calculate Frequency in OJ?


Hi Peppe,

not that I know of... I was thinking there could be something related to colors 
theming - but I don't think so with respect to the type you want i even doubt 
that jmath has. I used only "counts" (like for histograms); which is a bit 
different - or? But you could also check if Sextante has something?

For OJ source code you could just run a text search using "frequency"

cheers,

Stefan

On 5/21/18 17:44, Michaël Michaud wrote:

Hi Peppe,

I think that OpenJUMP plugins including statistical functions make use of 
jmatharray-20070905. It does not include so many functions, but it is very 
lightweight.
Maybe Stefan knows a bit more about it.
Maybe there are some other places where statistical functions have been coded. 
Do cou need it for feature attribute analysis or for image analysis ?

Michaël
Le 21/05/2018 à 20:03, Giuseppe Aruta a écrit :
Hi all,
do we have calsses/methods in OJ core to calculate frequencies (absolute, 
relative and cumulative) of an array of numbers? I can implement these methods 
but I would prefer to use something already in the OJ source.
thanks
Peppe



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Re: [JPP-Devel] Methods to calculate Frequency in OJ?

2018-05-22 Thread Giuseppe Aruta 
thanks Jukka

2018-05-22 9:59 GMT+02:00 Rahkonen Jukka (MML) <
jukka.rahko...@maanmittauslaitos.fi>:

> Hi,
>
>
>
> I was thinking about color theming as well because it knows how to apply
> Maximal Breaks, Jenks, Quantiles etc. but we do have some tools also in the
> Tools – Statistics menu.
>
>
>
> Sextante must have something in Focal statistics, Local statistics and
> probably in a few other places as well.
>
>
>
> -Jukka Rahkonen-
>
>
>
> *Lähettäjä:* Stefan Steiniger [mailto:sst...@geo.uzh.ch]
> *Lähetetty:* 22. toukokuuta 2018 1:38
> *Vastaanottaja:* jump-pilot-devel@lists.sourceforge.net
> *Aihe:* Re: [JPP-Devel] Methods to calculate Frequency in OJ?
>
>
>
> Hi Peppe,
>
> not that I know of... I was thinking there could be something related to
> colors theming - but I don't think so with respect to the type you want i
> even doubt that jmath has. I used only "counts" (like for histograms);
> which is a bit different - or? But you could also check if Sextante has
> something?
>
> For OJ source code you could just run a text search using "frequency"
>
> cheers,
>
> Stefan
>
>
>
> On 5/21/18 17:44, Michaël Michaud wrote:
>
> Hi Peppe,
>
> I think that OpenJUMP plugins including statistical functions make use of
> jmatharray-20070905. It does not include so many functions, but it is very
> lightweight.
> Maybe Stefan knows a bit more about it.
>
> Maybe there are some other places where statistical functions have been
> coded. Do cou need it for feature attribute analysis or for image analysis ?
>
> Michaël
>
> Le 21/05/2018 à 20:03, Giuseppe Aruta a écrit :
>
> Hi all,
>
> do we have calsses/methods in OJ core to calculate frequencies (absolute,
> relative and cumulative) of an array of numbers? I can implement these
> methods but I would prefer to use something already in the OJ source.
>
> thanks
>
> Peppe
>
>
>
>
> --
>
> Check out the vibrant tech community on one of the world's most
>
> engaging tech sites, Slashdot.org! http://sdm.link/slashdot
>
>
>
>
> ___
>
> Jump-pilot-devel mailing list
>
> Jump-pilot-devel@lists.sourceforge.net
>
> https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel
>
>
>
>
>
> --
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> Check out the vibrant tech community on one of the world's most
>
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>
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Re: [JPP-Devel] Methods to calculate Frequency in OJ?

2018-05-22 Thread Giuseppe Aruta 
Thanks Michael and Stefan
I see jmatharray page (https://github.com/yannrichet/jmatharray). It seems
to have only some basic tools, possibly histogram from
org.math.array.StatisticSample could be useful, I will check.
As Stefan mentioned org.openjump.core.attributeoperations.Classifier1D
provides only count methods.
I will check on internet and on Sextante (I found that
es.unex.sextante.math.simpleStats.SimpleStats for instance has a nice set
of statistics inidices for arrays).
Maybe I will add a "Statistics" class that work for arrays -  both
descriptive (mean, standard dev., etc) statistics and frequancies on arrays.
I am planning to add a histogram plugin for Raster which provides also some
frequency tools as I feel Sextante>Basic Statistics>Histogram tool is quite
simple for some (raster) data analysis.
Peppe

2018-05-22 0:38 GMT+02:00 Stefan Steiniger :

> Hi Peppe,
>
> not that I know of... I was thinking there could be something related to
> colors theming - but I don't think so with respect to the type you want i
> even doubt that jmath has. I used only "counts" (like for histograms);
> which is a bit different - or? But you could also check if Sextante has
> something?
>
> For OJ source code you could just run a text search using "frequency"
>
> cheers,
>
> Stefan
>
> On 5/21/18 17:44, Michaël Michaud wrote:
>
> Hi Peppe,
>
> I think that OpenJUMP plugins including statistical functions make use of
> jmatharray-20070905. It does not include so many functions, but it is very
> lightweight.
> Maybe Stefan knows a bit more about it.
> Maybe there are some other places where statistical functions have been
> coded. Do cou need it for feature attribute analysis or for image analysis ?
>
> Michaël
>
> Le 21/05/2018 à 20:03, Giuseppe Aruta a écrit :
>
> Hi all,
> do we have calsses/methods in OJ core to calculate frequencies (absolute,
> relative and cumulative) of an array of numbers? I can implement these
> methods but I would prefer to use something already in the OJ source.
> thanks
> Peppe
>
>
> --
> Check out the vibrant tech community on one of the world's most
> engaging tech sites, Slashdot.org! http://sdm.link/slashdot
>
>
>
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Re: [JPP-Devel] Methods to calculate Frequency in OJ?

2018-05-22 Thread Rahkonen Jukka (MML) 
Hi,

I was thinking about color theming as well because it knows how to apply 
Maximal Breaks, Jenks, Quantiles etc. but we do have some tools also in the 
Tools – Statistics menu.

Sextante must have something in Focal statistics, Local statistics and probably 
in a few other places as well.

-Jukka Rahkonen-

Lähettäjä: Stefan Steiniger [mailto:sst...@geo.uzh.ch]
Lähetetty: 22. toukokuuta 2018 1:38
Vastaanottaja: jump-pilot-devel@lists.sourceforge.net
Aihe: Re: [JPP-Devel] Methods to calculate Frequency in OJ?


Hi Peppe,

not that I know of... I was thinking there could be something related to colors 
theming - but I don't think so with respect to the type you want i even doubt 
that jmath has. I used only "counts" (like for histograms); which is a bit 
different - or? But you could also check if Sextante has something?

For OJ source code you could just run a text search using "frequency"

cheers,

Stefan

On 5/21/18 17:44, Michaël Michaud wrote:

Hi Peppe,

I think that OpenJUMP plugins including statistical functions make use of 
jmatharray-20070905. It does not include so many functions, but it is very 
lightweight.
Maybe Stefan knows a bit more about it.
Maybe there are some other places where statistical functions have been coded. 
Do cou need it for feature attribute analysis or for image analysis ?

Michaël
Le 21/05/2018 à 20:03, Giuseppe Aruta a écrit :
Hi all,
do we have calsses/methods in OJ core to calculate frequencies (absolute, 
relative and cumulative) of an array of numbers? I can implement these methods 
but I would prefer to use something already in the OJ source.
thanks
Peppe




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Re: [JPP-Devel] Methods to calculate Frequency in OJ?

2018-05-21 Thread Stefan Steiniger 

Hi Peppe,

not that I know of... I was thinking there could be something related to 
colors theming - but I don't think so with respect to the type you want 
i even doubt that jmath has. I used only "counts" (like for histograms); 
which is a bit different - or? But you could also check if Sextante has 
something?


For OJ source code you could just run a text search using "frequency"

cheers,

Stefan


On 5/21/18 17:44, Michaël Michaud wrote:


Hi Peppe,

I think that OpenJUMP plugins including statistical functions make use 
of jmatharray-20070905. It does not include so many functions, but it 
is very lightweight.

Maybe Stefan knows a bit more about it.

Maybe there are some other places where statistical functions have 
been coded. Do cou need it for feature attribute analysis or for image 
analysis ?


Michaël

Le 21/05/2018 à 20:03, Giuseppe Aruta a écrit :

Hi all,
do we have calsses/methods in OJ core to calculate frequencies 
(absolute, relative and cumulative) of an array of numbers? I can 
implement these methods but I would prefer to use something already 
in the OJ source.

thanks
Peppe


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Re: [JPP-Devel] Methods to calculate Frequency in OJ?

2018-05-21 Thread Michaël Michaud 

Hi Peppe,

I think that OpenJUMP plugins including statistical functions make use 
of jmatharray-20070905. It does not include so many functions, but it is 
very lightweight.

Maybe Stefan knows a bit more about it.

Maybe there are some other places where statistical functions have been 
coded. Do cou need it for feature attribute analysis or for image analysis ?


Michaël

Le 21/05/2018 à 20:03, Giuseppe Aruta a écrit :

Hi all,
do we have calsses/methods in OJ core to calculate frequencies 
(absolute, relative and cumulative) of an array of numbers? I can 
implement these methods but I would prefer to use something already in 
the OJ source.

thanks
Peppe


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[JPP-Devel] Methods to calculate Frequency in OJ?

2018-05-21 Thread Giuseppe Aruta 
Hi all,
do we have calsses/methods in OJ core to calculate frequencies (absolute,
relative and cumulative) of an array of numbers? I can implement these
methods but I would prefer to use something already in the OJ source.
thanks
Peppe
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