在线手册：中文英文

stats_cdf_t

(PECL stats >= 1.0.0)

stats_cdf_t — Calculates any one parameter of the T distribution given values for the others.

说明

float stats_cdf_t ( float $par1 , float $par2 , int $which )

Warning

本函数还未编写文档，仅有参数列表。

参数

par1
par2
which

返回值

在线手册：中文英文

PHP手册 - N: Calculates any one parameter of the T distribution given values for the others.

用户评论:

Brian (14-Oct-2010 10:14)

In order to match the output of this function with Excel's TDIST function, you must take 1 - the value. For example, for a two-tailed T-distribution for x=4 and degrees of freedom=2, the formula would be: (1 - stats_cdf_t(4, 2, 1)) * 2 For a single tail, do not include the multiply by 2 portion.