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项目描述

Statistics-Descriptive is a Perl module to perform Statistical Analysis on numeric data. It can retrieve such things as the mean (or average), the median, the standard deviation, a histogram/frequency analysis, etc.

系统要求

System requirement is not defined
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2012-03-08 21:34
3.0400

现在,一些方法返回 undef(),如果没有数据。如果集合中没有任何元素百分位现在不会死。
标签: Bug fixes
Some methods now return undef() if there are no data. Percentile now doesn't die if there are no elements in the collection.

2010-10-17 16:41
3.0201

偏度和峰度增加了。的变化和修改日志被解除了。pm文件。增加了一些文件,明确了第0个百分点的返回值,因为它返回undef()代表- INF中。脚本被添加到标签释放使用Subversion。
标签: Stable, Feature Enhancements, Documentation
Skewness and kurtosis were added. The log of changes and revisions was removed from the .pm file. Some documentation was added, clarifying the 0th percentile return value, as it returns undef() to represent -inf. A script was added to tag a release using Subversion.

2009-07-21 20:12
3.0100

分位数方法补充。
标签: Stable, CPAN
The quantile method was added.

2009-05-31 04:36
3.0000

许多代码清理和重构的工作。有些测试断言增加了。
标签: Code cleanup, Refactoring, CPAN
Many code cleanups and refactoring were done. Some test assertions were added.

2009-05-14 19:13
2.9

此版本增加了一个变通的情况下出现差异的一个小负数由于舍入错误导致。许可证一段中,增加了与同一个示例脚本的例子目录文件。
标签: Stable, CPAN
This release added a workaround to a case where the variance resulted in a small negative number due to rounding errors. A LICENSE section was added to the documentation along with an examples directory with a sample script.

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