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|Home MathPack DataTable Methods PercentileOfMarkedCells|
|See also: PercentileOfNumCells, QuartilesOfMarkedCells|
The function PercentileOfMarkedCells returns the percentile with the probability of prob percent. The calculation of the percentile is based on the distribution of all numeric matrix elements whose cell state has at least one bit in common with the parameter CellState. Numeric cells are cells which are neither marked as csNAN, nor as csUndefined and which belong to either interval or ratio scaled variables. The cells used for the calculation are limited by the parameters LowCol, LowRow, HighCol, and HighRow. The function returns a zero value if any error occurs. The variable parameter NumData returns the number of data points used for the calculation (i.e. the number of numeric data cells within the specified range).
Please note that the 50%-percentile (prob = 50) is also known as the median of the distribution.