[ 原始碼： libstatistics-welford-perl ]
套件： libstatistics-welford-perl (0.02-1)
libstatistics-welford-perl 的相關超連結
Trisquel 的資源：
下載原始碼套件 libstatistics-welford-perl：
- [libstatistics-welford-perl_0.02-1.dsc]
- [libstatistics-welford-perl_0.02.orig.tar.gz]
- [libstatistics-welford-perl_0.02-1.debian.tar.xz]
維護者：
Original Maintainers:
- Debian Perl Group (郵件存檔)
- Axel Beckert
外部的資源：
- 主頁 [metacpan.org]
相似套件：
Standard statistics using Welford's algorithm
Statistics::Welford provides standard statistics (mean value, variance, standard deviation, minimum and maximum value as well as the number of elements) using Welford's algorithm.
Welford's algorithm is much more resource efficient compared to the naïve algorithm implemented in e.g. Statistics::Basic::StdDev or Catmandu::Fix::stat_stddev. It especially does not need to load all values into RAM at the same time, i.e. does not require an array containing all values.
See also https://en.wikipedia.org/wiki/Variance/Algorithm#Online_algorithm
其他與 libstatistics-welford-perl 有關的套件
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- dep: perl
- Larry Wall's Practical Extraction and Report Language