Math_Stats

# Procedural File: Stats.php Source Location: /PHPExcel/Shared/JAMA/examples/Stats.php ## Classes: Base A class to calculate descriptive statistics from a data set. ## Page Details: #### Tags:
filesource: | Source Code for this file
#### Includes: include_once('PEAR.php') [line 22] ### STATS_BASIC [line 32]
`STATS_BASIC = 1`
STATS_BASIC to generate the basic descriptive statistics [ Top ] ### STATS_DATA_CUMMULATIVE [line 51]
`STATS_DATA_CUMMULATIVE = 1`
STATS_DATA_CUMMULATIVE for an associative array of frequency values, where in each array entry, the index is the data point and the value the count (frequency): e.g. $data = array(3=>4, 2.3=>5, 1.25=>6, 0.5=>3) [ Top ] ### STATS_DATA_SIMPLE [line 44]
`STATS_DATA_SIMPLE = 0`
STATS_DATA_SIMPLE for an array of numeric values. This is the default. e.g. $data = array(2,3,4,5,1,1,6); [ Top ] ### STATS_FULL [line 36]
`STATS_FULL = 2`
STATS_FULL to generate also higher moments, mode, median, etc. [ Top ] ### STATS_IGNORE_NULL [line 64]
`STATS_IGNORE_NULL = -2`
STATS_IGNORE_NULL, ignore null values and prune them from the data. Any non-numeric value is considered a null in this context. [ Top ] ### STATS_REJECT_NULL [line 59]
`STATS_REJECT_NULL = -1`
STATS_REJECT_NULL, reject data sets with null values. This is the default. Any non-numeric value is considered a null in this context. [ Top ] ### STATS_USE_NULL_AS_ZERO [line 69]
`STATS_USE_NULL_AS_ZERO = -3`
STATS_USE_NULL_AS_ZERO, assign the value of 0 (zero) to null values. Any non-numeric value is considered a null in this context. [ Top ] Documentation generated on Sun, 27 Feb 2011 16:34:06 -0800 by phpDocumentor 1.4.3