This class can be used to calculate the median and percentile of a set of values.It takes a set of numeric values and can calculate an arbitrary percentile.The class can also calculate the median (50%) and quartile (25%, 50%, 75%).

Percentile takes a set of numeric values and can calculate an arbitrary percentile. The median (50%) and quartile (25%, 50%, 75%) can also be calculated.Requirements: PHP3.0 or higher