[jira] [Updated] (MATH-1380) LoessInterpolator can calculate median residual for robustness iterations incorrectly
[ https://issues.apache.org/jira/browse/MATH-1380?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Gilles Sadowski updated MATH-1380: -- Fix Version/s: (was: 4.0) 4.X > LoessInterpolator can calculate median residual for robustness iterations > incorrectly > - > > Key: MATH-1380 > URL: https://issues.apache.org/jira/browse/MATH-1380 > Project: Commons Math > Issue Type: Bug >Affects Versions: 3.6.1 >Reporter: Richard Wilkinson >Priority: Minor > Fix For: 4.X > > Attachments: MATH-1380-loess-residual-median.patch > > > When LoessInterpolator.smooth determines the median residual to use in > weighting points when performing robustness iterations its calculation is > only strictly correct for odd numbers of points. For even numbers it should > take the mean of the central two residuals. While this may not generally make > a large difference it hinders comparison with other implementations (such as > R loess) for testing. > Patch and additional tests available. -- This message was sent by Atlassian Jira (v8.3.4#803005)
[jira] [Updated] (MATH-1380) LoessInterpolator can calculate median residual for robustness iterations incorrectly
[ https://issues.apache.org/jira/browse/MATH-1380?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Rob Tompkins updated MATH-1380: --- Fix Version/s: 4.0 > LoessInterpolator can calculate median residual for robustness iterations > incorrectly > - > > Key: MATH-1380 > URL: https://issues.apache.org/jira/browse/MATH-1380 > Project: Commons Math > Issue Type: Bug >Affects Versions: 3.6.1 >Reporter: Richard Wilkinson >Priority: Minor > Fix For: 4.0 > > Attachments: MATH-1380-loess-residual-median.patch > > > When LoessInterpolator.smooth determines the median residual to use in > weighting points when performing robustness iterations its calculation is > only strictly correct for odd numbers of points. For even numbers it should > take the mean of the central two residuals. While this may not generally make > a large difference it hinders comparison with other implementations (such as > R loess) for testing. > Patch and additional tests available. -- This message was sent by Atlassian JIRA (v6.3.15#6346)
[jira] [Updated] (MATH-1380) LoessInterpolator can calculate median residual for robustness iterations incorrectly
[ https://issues.apache.org/jira/browse/MATH-1380?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Richard Wilkinson updated MATH-1380: Attachment: MATH-1380-loess-residual-median.patch > LoessInterpolator can calculate median residual for robustness iterations > incorrectly > - > > Key: MATH-1380 > URL: https://issues.apache.org/jira/browse/MATH-1380 > Project: Commons Math > Issue Type: Bug >Affects Versions: 3.6.1 >Reporter: Richard Wilkinson >Priority: Minor > Attachments: MATH-1380-loess-residual-median.patch > > > When LoessInterpolator.smooth determines the median residual to use in > weighting points when performing robustness iterations its calculation is > only strictly correct for odd numbers of points. For even numbers it should > take the mean of the central two residuals. While this may not generally make > a large difference it hinders comparison with other implementations (such as > R loess) for testing. > Patch and additional tests available. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (MATH-1380) LoessInterpolator can calculate median residual for robustness iterations incorrectly
[ https://issues.apache.org/jira/browse/MATH-1380?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Richard Wilkinson updated MATH-1380: Attachment: (was: MATH-1380-loess-residual-median.patch) > LoessInterpolator can calculate median residual for robustness iterations > incorrectly > - > > Key: MATH-1380 > URL: https://issues.apache.org/jira/browse/MATH-1380 > Project: Commons Math > Issue Type: Bug >Affects Versions: 3.6.1 >Reporter: Richard Wilkinson >Priority: Minor > Attachments: MATH-1380-loess-residual-median.patch > > > When LoessInterpolator.smooth determines the median residual to use in > weighting points when performing robustness iterations its calculation is > only strictly correct for odd numbers of points. For even numbers it should > take the mean of the central two residuals. While this may not generally make > a large difference it hinders comparison with other implementations (such as > R loess) for testing. > Patch and additional tests available. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (MATH-1380) LoessInterpolator can calculate median residual for robustness iterations incorrectly
[ https://issues.apache.org/jira/browse/MATH-1380?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Richard Wilkinson updated MATH-1380: Attachment: MATH-1380-loess-residual-median.patch > LoessInterpolator can calculate median residual for robustness iterations > incorrectly > - > > Key: MATH-1380 > URL: https://issues.apache.org/jira/browse/MATH-1380 > Project: Commons Math > Issue Type: Bug >Affects Versions: 3.6.1 >Reporter: Richard Wilkinson >Priority: Minor > Attachments: MATH-1380-loess-residual-median.patch > > > When LoessInterpolator.smooth determines the median residual to use in > weighting points when performing robustness iterations its calculation is > only strictly correct for odd numbers of points. For even numbers it should > take the mean of the central two residuals. While this may not generally make > a large difference it hinders comparison with other implementations (such as > R loess) for testing. > Patch and additional tests available. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (MATH-1380) LoessInterpolator can calculate median residual for robustness iterations incorrectly
[ https://issues.apache.org/jira/browse/MATH-1380?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Richard Wilkinson updated MATH-1380: Attachment: (was: MATH-1380-loess-residual-median.patch) > LoessInterpolator can calculate median residual for robustness iterations > incorrectly > - > > Key: MATH-1380 > URL: https://issues.apache.org/jira/browse/MATH-1380 > Project: Commons Math > Issue Type: Bug >Affects Versions: 3.6.1 >Reporter: Richard Wilkinson >Priority: Minor > > When LoessInterpolator.smooth determines the median residual to use in > weighting points when performing robustness iterations its calculation is > only strictly correct for odd numbers of points. For even numbers it should > take the mean of the central two residuals. While this may not generally make > a large difference it hinders comparison with other implementations (such as > R loess) for testing. > Patch and additional tests available. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (MATH-1380) LoessInterpolator can calculate median residual for robustness iterations incorrectly
[ https://issues.apache.org/jira/browse/MATH-1380?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Richard Wilkinson updated MATH-1380: Attachment: MATH-1380-loess-residual-median.patch > LoessInterpolator can calculate median residual for robustness iterations > incorrectly > - > > Key: MATH-1380 > URL: https://issues.apache.org/jira/browse/MATH-1380 > Project: Commons Math > Issue Type: Bug >Affects Versions: 3.6.1 >Reporter: Richard Wilkinson >Priority: Minor > Attachments: MATH-1380-loess-residual-median.patch > > > When LoessInterpolator.smooth determines the median residual to use in > weighting points when performing robustness iterations its calculation is > only strictly correct for odd numbers of points. For even numbers it should > take the mean of the central two residuals. While this may not generally make > a large difference it hinders comparison with other implementations (such as > R loess) for testing. > Patch and additional tests available. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
