Last comment:
since JMathPlot canvas allows to modify its toolbar, statistics and
frequancy output/table are activated as indipendent frame using relative
buttons on histogram canvas toolbar
Peppe
2018-06-06 14:41 GMT+02:00 Giuseppe Aruta <giuseppe.ar...@gmail.com>:
> Hi all
> I activated an histogram plugin for raster data (see Toolbar>Raster>Create
> Histogram). The idea is to have a raster plugin with more option than
> Sextante one. One that could have helped user to calculate also statistic
> indices (mean, median but also 25/75 percentiles, Kustosis, Skewness) and
> frequancies of classes.
>
> To get statistic indices I used as base a class form Sextante algorithms
> which I modified and extended to other useful indices.
>
> I used the OJ embedded libraries (jmathplot-20070905.jar) to get the
> histogram in order not to extend depencies to othet plot libraries (as
> Sextante and OpenKLEM have). Jmathplot gets back plotted data as a matrix.
> In the case of a HistogramPlot.class, these data are: 1) absolute
> frequency and 2) the median value of the range for each intervals.
>
> To get also cumulative frequancy, realtive frequancy and min/max values
> (of the range for each intervals) I created some method and placed into
> Plot2DPanelOJ class
>
> More job has to do (fix some parts of the statistic class, better
> definition of frequency methods, etc)
>
> Any comment is welcome
>
> Peppe
>
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