stats_absolute_deviation

(PECL stats >= 1.0.0)

stats_absolute_deviationReturns the absolute deviation of an array of values

说明

stats_absolute_deviation ( array $a ) : float

Returns the absolute deviation of the values in a.

参数

a

The input array

返回值

Returns the absolute deviation of the values in a, or FALSE if a is empty or is not an array.

相关文章
php cubrid mysql 兼容性函数 return an array with the lengths of the values of each field from the current rowphp date/time 函数 returns associative array with detailed info about given datephp imap 函数 this function returns an array of messages matching the given search criteriaphp mailparse 函数 returns an associative array of info about the messagephp mailparse 函数 returns an array of mime section names in the supplied messagephp mysqlnd ms 函数 returns an array which describes the last used connectionphp sqlite 函数 executes a query and returns either an array for one single column or the value of the first rowphp statistic 函数 returns the absolute deviation of an array of valuesphp statistic 函数 calculates any one parameter of the non central f distribution given values for the othersphp statistic 函数 calculates any one parameter of the non central t distribution give values for the othersphp statistic 函数 calculates any one parameter of the normal distribution given values for the othersphp statistic 函数 calculates any one parameter of the poisson distribution given values for the othersphp statistic 函数 calculates any one parameter of the t distribution given values for the othersphp statistic 函数 returns the harmonic mean of an array of valuesphp statistic 函数 returns the standard deviationphp statistic 函数 returns a binomial coefficientphp statistic 函数 returns the pearson correlation coefficient of two data setsphp statistic 函数 returns the factorial of an integerphp statistic 函数 returns the t value from the independent two sample t testphp com 函数 concatenates two variant values together and returns the result
关注编程学问公众号