PHP Stats Documentation | ||||
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Percentile float percentile( array number_array, int percentile) This function will return the percentile for the given number_array. the second parameter can be 0 < percentile < 100 or 0 < percentile < 1. if percentile is a decimal then .50 will be assumed to be the 50th percentile. For example $foo = percentile( $data, .5 ); $bar = percentile( $data, 50 ); foo and bar are the same. Range float stat_range( array number_array ) Returns the difference of the largest and smallest elements in number_array. Note: this function should be called range but this function is all ready used as part of the native php function set. Midrange float mid_range( array number_array ) |