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ID Category Severity Reproducibility Date Submitted Last Update
0000448 [ALGLIB] Statistics feature have not tried 2012-02-10 11:51 2018-01-02 17:22
Reporter SergeyB View Status public  
Assigned To SergeyB
Priority normal Resolution open Platform
Status assigned   OS
Projection none   OS Version
ETA none Fixed in Version Product Version
  Target Version Next 'Data mining' release Product Build
Summary 0000448: Sample covariation improvements
Description 1. N and N-1 forms of the finite sample covariation (correlation is not needed). We can add one more parameter with default value (to have backward compatibility).

2. POSSIBLE: shrinkage estimation, see http://en.wikipedia.org/wiki/Estimation_of_covariance_matrices#Shrinkage_estimation and http://cran.r-project.org/web/packages/corpcor/index.html
Steps To Reproduce
Additional Information
Programming language Unspecified
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- Issue History
Date Modified Username Field Change
2012-02-10 11:51 SergeyB New Issue
2012-02-10 11:51 SergeyB Programming language => Unspecified
2012-02-10 11:53 SergeyB Description Updated
2012-02-15 10:22 SergeyB Target Version 3.6.0 => Near future
2018-01-02 17:18 SergeyB Target Version Near future => Next 'Data mining' release
2018-01-02 17:22 SergeyB Status new => assigned
2018-01-02 17:22 SergeyB Assigned To => SergeyB


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