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Return mean value of array
Source position: math.pp line 423
function Mean( |
const data: array of Single |
):Float; |
const data: PSingle; |
const N: LongInt |
):Float; |
const data: array of Double |
):Float; |
const data: PDouble; |
const N: LongInt |
):Float; |
const data: array of Extended |
):Float; |
const data: PExtended; |
const N: LongInt |
):Float; |
const data: PInt64; |
const N: LongInt |
):Float; |
const data: array of Int64 |
):Float; |
const data: PInteger; |
const N: LongInt |
):Float; |
const data: array of Integer |
):Float; |
Mean returns the average value of data. The second form accepts a pointer to an array of N values.
None.
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Return mean and standard deviation of array |
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Return 4 first moments of distribution |
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Return sum of values |
Program Example27; { Program to demonstrate the Mean function. } { @ should return typed pointer } {$T+} Uses math; Type TExArray = Array[1..100] of Float; Var I : Integer; ExArray : TExArray; begin Randomize; for I:=low(ExArray) to high(ExArray) do ExArray[i]:=(Random-Random)*100; Writeln('Max : ',MaxValue(ExArray):8:4); Writeln('Min : ',MinValue(ExArray):8:4); Writeln('Mean : ',Mean(ExArray):8:4); Writeln('Mean (b) : ',Mean(PExtended(@ExArray[1]),100):8:4); end.