stats_skew

(PECL stats >= 1.0.0)

stats_skew — Computes the skewness of the data in the array

说明

stats_skew ( array $a ) : float

Returns the skewness of the values in a.

参数

a

The input array

返回值

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

相关文章
php apd 函数 get an array of the current variables names in the local scopephp fdf 函数 gets a value from the opt array of a fieldphp gupnp 函数 returns the state variable dataphp zlib 函数 read entire gz file into an arrayphp mailparse 函数 streams data from source file pointer apply encoding and write to destfpphp postgresql 函数 fetches all rows in a particular result column as an arrayphp radius 函数 converts raw data to ip addressphp rrd 函数 fetch the data for graph as arrayphp rrd 函数 gets information about last updated dataphp statistic 函数 returns the absolute deviation of an array of valuesphp statistic 函数 calculates any one parameter of the cauchy distribution given values for the othersphp statistic 函数 computes the covariance of two data setsphp statistic 函数 probability density function of the weibull distributionphp statistic 函数 returns the harmonic mean of an array of valuesphp statistic 函数 computes the kurtosis of the data in the arrayphp statistic 函数 generates a random deviate from the noncentral f distributionphp statistic 函数 computes the skewness of the data in the arrayphp statistic 函数 returns the pearson correlation coefficient of two data setsphp statistic 函数 returns the percentile valuephp zlib 函数 uncompress any raw/gzip/zlib encoded data
关注编程学问公众号