CHistogram:GetBinCount

The GetBinCount method returns the actual bin count used by the histogram Calc method. This method is useful after setting the binning strategy with the SetBinWidth or SetBinAuto method since, in both cases, the bin count is calculated from other parameters.

Syntax

nCount = CHistogram:GetBinCount()

bullet.gif    nCount is the number of bins used in the histogram.

Example

The following script retrieves the bin count for use in setting up an x axis for plotting the histogram.

H = new_histogram

-- create a Histogram object

v = gaussdev( 1000000 )

-- create this number of random deviates

y = H:Calc( v )

 

nCount = H:GetBinCount()

-- separate the 3 parameters for clarity

nMin = H:GetMin()+H:GetBinWidth()/2

 

nStep = H:GetBinWidth()

 

x = series( nCount, nMin, nStep )

-- create a series for the histgram x axis

stepline( x, y )

-- plot the histogram using default settings

H:delete()

 

Related Topics

CHistogram Class, SetBinCount, series


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