====== Histogram ======

GroIMP can create a histogram over a column of a dataset, to use this the histogram bins have to be defined.

It is possible to have histograms for multiple columns in the same plot in different colors.

======  ======


To define the histogramBins the function setHistogramBins is used with the following arguments:

  - The column which is suppose to be used (identified numerically starting with 0)
  - The minimum value 
  - The maximum value
  - The number of buckets.

For example:

<code java>
dataset("your_dataset").setHistogramBins(0,0.5,1.0,8)
</code>

To create a histogram in rgg the chart command with the additional parameter HISTOGRAM is used:

<code java>
chart(dataset("your_dataset"),HISTOGRAM);
</code>


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