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Indices - dissimilarity indices should return undef when there are no labels in set 1 or 2 #228

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GoogleCodeExporter opened this issue Mar 27, 2015 · 3 comments
Closed

Indices - dissimilarity indices should return undef when there are no labels in set 1 or 2 #228

GoogleCodeExporter opened this issue Mar 27, 2015 · 3 comments
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auto-migrated Priority-Medium Type-Defect
Milestone
Release_0.16

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@GoogleCodeExporter
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What steps will reproduce the problem?
1.  Run a dissimilarity analysis (sorenson, jaccard etc) but with neighbour 
specification that will result in no groups in neighbour set 2. Alternately, 
run such an analysis with empty groups where set 1 or set 2 will have no labels 
to compare against.  


The returned value for these sets is 1, when it should be undefined.  


This is partly related to issue #181

Original issue reported on code.google.com by shawnlaffan on 6 Apr 2011 at 2:21
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auto-migrated Priority-Medium Type-Defect
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@shawnlaffan @GoogleCodeExporter