PHP Класс MathPHP\Probability\Distribution\Table\TDistribution

Tables for one sided and two sided, Initial index is degrees of freedom (ν). Second index is confidence level precentage, or alpha value (α). https://en.wikipedia.org/wiki/Student%27s_t-distribution#Table_of_selected_values This table is provided only for completeness. It is common for statistics textbooks to include this table, so this library does as well. It is better to use the StudentT distribution functions when a t value is required.
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Открытые методы

Метод Описание
getOneSidedTValueFromAlpha ( string $ν, string $α ) : float Get one-sided t value using alpha
getOneSidedTValueFromConfidenceLevel ( string $ν, string $cl ) : float Get one-sided t value using confidence level percentage
getTwoSidedTValueFromAlpha ( string $ν, string $α ) : float Get two-sided t value using alpha
getTwoSidedTValueFromConfidenceLevel ( string $ν, string $cl ) : float Get two-sided t value using confidence level percentage

Описание методов

getOneSidedTValueFromAlpha() публичный статический метод

Get one-sided t value using alpha
public static getOneSidedTValueFromAlpha ( string $ν, string $α ) : float
$ν string degrees of freedom
$α string alpha
Результат float t value

getOneSidedTValueFromConfidenceLevel() публичный статический метод

Get one-sided t value using confidence level percentage
public static getOneSidedTValueFromConfidenceLevel ( string $ν, string $cl ) : float
$ν string degrees of freedom
$cl string confidence level percentage
Результат float t value

getTwoSidedTValueFromAlpha() публичный статический метод

Get two-sided t value using alpha
public static getTwoSidedTValueFromAlpha ( string $ν, string $α ) : float
$ν string degrees of freedom
$α string alpha
Результат float t value

getTwoSidedTValueFromConfidenceLevel() публичный статический метод

Get two-sided t value using confidence level percentage
public static getTwoSidedTValueFromConfidenceLevel ( string $ν, string $cl ) : float
$ν string degrees of freedom
$cl string confidence level percentage
Результат float t value