Differences Between: [Versions 400 and 402] [Versions 401 and 402]
(no description)
File Size: | 137 lines (5 kb) |
Included or required: | 0 times |
Referenced: | 0 times |
Includes or requires: | 0 files |
StudentT:: (3 methods):
distribution()
inverse()
calculateDistribution()
distribution($value, $degrees, $tails) X-Ref |
TDIST. Returns the probability of Student's T distribution. param: mixed $value Float value for the distribution param: mixed $degrees Integer value for degrees of freedom param: mixed $tails Integer value for the number of tails (1 or 2) return: array|float|string The result, or a string containing an error |
inverse($probability, $degrees) X-Ref |
TINV. Returns the one-tailed probability of the chi-squared distribution. param: mixed $probability Float probability for the function param: mixed $degrees Integer value for degrees of freedom return: array|float|string The result, or a string containing an error |
calculateDistribution(float $value, int $degrees, int $tails) X-Ref |
return: float |