Histogram: object model

• An object Histo knows its bins contenents.

• An object partition knows what a bin means.

IfrVariableBinPartition

numberOfBins( )

binIndex( )

centerOfBin( )

IfrHisto

fill( )

entries( )

(from ifrpiddata)

IfrFixedBinPartition

numberOfBins( )

binIndex( )

centerOfBin( )

(from ifrpiddata)

IfrPartition

numberOfBins( )

binIndex( )

centerOfBin( )

(from ifrpiddata)

IfrPartition is abstract (interface);

a concrete partition implements the method of partitioning.

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