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# Histogram
Set of auxiliary functions for the [HISTOGRAM aggregate function](../../builtins/aggregation.md). In the signature description below, HistogramStruct refers to the result of the aggregate function `HISTOGRAM`, `LinearHistogram` or `LogarithmicHistogram` being a structure of a certain type.
## List of functions
* `Histogram::Print(HistogramStruct{Flags:AutoMap}, Byte?) -> String`
* `Histogram::Normalize(HistogramStruct{Flags:AutoMap}, [Double?]) -> HistogramStruct`: The second argument specifies the desired area of the histogram, 100 by default.
* `Histogram::ToCumulativeDistributionFunction(HistogramStruct{Flags:AutoMap}) -> HistogramStruct`
* `Histogram::GetSumAboveBound(HistogramStruct{Flags:AutoMap}, Double) -> Double`
* `Histogram::GetSumBelowBound(HistogramStruct{Flags:AutoMap}, Double) -> Double`
* `Histogram::GetSumInRange(HistogramStruct{Flags:AutoMap}, Double, Double) -> Double`
* `Histogram::CalcUpperBound(HistogramStruct{Flags:AutoMap}, Double) -> Double`
* `Histogram::CalcLowerBound(HistogramStruct{Flags:AutoMap}, Double) -> Double`
* `Histogram::CalcUpperBoundSafe(HistogramStruct{Flags:AutoMap}, Double) -> Double`
* `Histogram::CalcLowerBoundSafe(HistogramStruct{Flags:AutoMap}, Double) -> Double`
`Histogram::Print` has an optional numeric argument that sets the maximum length of the histogram columns (the length is in characters, since the histogram is rendered in ASCII art). Default: 25. This function is primarily intended for viewing histograms in the console.
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