[ 源代码： libstatistics-distributions-perl ]
软件包：libstatistics-distributions-perl（1.02-1.1）
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- [libstatistics-distributions-perl_1.02-1.1.dsc]
- [libstatistics-distributions-perl_1.02.orig.tar.gz]
- [libstatistics-distributions-perl_1.02-1.1.debian.tar.xz]
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module for calculating some values of common statistical distributions
Statistics::Distributions calculates percentage points (5 significant digits) of the u (standard normal) distribution, the student's t distribution, the chi-square distribution and the F distribution. It can also calculate the upper probability (5 significant digits) of the u (standard normal), the chi-square, the t and the F distribution. These critical values are needed to perform statistical tests, like the u test, the t test, the F test and the chi-squared test, and to calculate confidence intervals.
If you are interested in more precise algorithms you could look at:
StatLib: http://lib.stat.cmu.edu/apstat/ ;
Applied Statistics Algorithms by Griffiths, P. and Hill, I.D., Ellis Horwood: Chichester (1985)