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- Number of elements found in a matrix row or in a matrix column
- Error management
StatVariance (Function) In french: StatVariance Calculates the variance for a series of values. Note This calculation is based on a sample of values. To calculate the variance for a full series of values, use StatVarianceP.
ResVariance = StatVariance("MaMatrice", 3, False)
Syntax
<Result> = StatVariance(<Matrix> [, <Row/Column number> [, <Row/Column>]])
<Result>: Real Variance for a series of values. <Matrix>: Character string Name of the matrix containing the data, defined by MatCreate. <Row/Column number>: Optional integer Number of the row or column containing the data (1 by default). <Row/Column>: Optional boolean - True (by default) if the series of values corresponds to a matrix column,
- False if the series of values corresponds to a matrix row.
Remarks Number of elements found in a matrix row or in a matrix column The number of elements found in a matrix row or in a matrix column is taken as a reference. This number of elements corresponds to: - the total number of matrix rows, returned by MatNbLine (if the calculation is performed on a column),
- the total number of matrix columns, returned by MatNbColumn (if the calculation is performed on a row).
If the series contain less elements than the matrix, the missing values are automatically filled with 0. These values are taken into account during the calculations. Caution: StatVariance returns no error code. To find out whether errors have been generated when calculating the variance, use StatError. To get more details on the error, use ErrorInfo with the errMessage constant.
Related Examples:
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Unit examples (WINDEV): The Stat functions
[ + ] Using the main functions for statistical calculations (using matrices): - Calculate a sum of values - Calculate a mean of values - Find the minimum value in a set of values - Find the maximum value in a set of values
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Business / UI classification: Neutral code
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