# C1.Win.FlexReport.Chart.ChartSeriesHistogram.IntervalCreationMethod

## Content

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<h1 id="C1_Win_FlexReport_Chart_ChartSeriesHistogram_IntervalCreationMethod_" data-uid="C1.Win.FlexReport.Chart.ChartSeriesHistogram.IntervalCreationMethod*">IntervalCreationMethod Property
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<a id="C1_Win_FlexReport_Chart_ChartSeriesHistogram_IntervalCreationMethod_" data-uid="C1.Win.FlexReport.Chart.ChartSeriesHistogram.IntervalCreationMethod*"></a>
<h4 id="C1_Win_FlexReport_Chart_ChartSeriesHistogram_IntervalCreationMethod" data-uid="C1.Win.FlexReport.Chart.ChartSeriesHistogram.IntervalCreationMethod">IntervalCreationMethod</h4>
<div class="markdown level1 summary"><p>Gets or sets the method used to specify the histogram intervals.</p>
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<h5 class="declaration">Declaration</h5>
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  <pre><code class="lang-csharp hljs">public ChartHistogramIntervalMethod IntervalCreationMethod { get; set; }</code></pre>
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  <pre><code class="lang-vbnet hljs">Public Property IntervalCreationMethod As ChartHistogramIntervalMethod</code></pre>
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<h5 id="C1_Win_FlexReport_Chart_ChartSeriesHistogram_IntervalCreationMethod_remarks">Remarks</h5>
<div class="markdown level1 remarks"><p>Interval boundaries can be established in a variety of ways.</p>
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When the Automatic method is used, the chart calculates the upper and lower limits 
of the intervals using the maximum and minimum data values, and restricting the 
intervals to lie within 3 standard deviations of the data mean.  
The number of intervals is optional.  Interval boundaries are calculated uniformly.
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When the SemiAutomatic method is used, the upper and lower limits of the intervals 
are specified together with the number of intervals. Interval boundaries are calculated 
uniformly.
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<p>
When the XDataBoundaries method is used, the X values of the data data series are 
used to explicitly set each interval boundary.  The X values are sorted and duplicate 
values are eliminated.  Each ascending value of the result is used determine the next 
interval boundary.  Thus, the first and second resulting X values define the first 
interval and each successive X value specifies the end of the next interval.  
Note that specification of N intervals requires N+1 unique X values.
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