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Duplicate groups aren't removed by common subexpression elimination #358

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amosr opened this issue Mar 16, 2016 · 0 comments
Open

Duplicate groups aren't removed by common subexpression elimination #358

amosr opened this issue Mar 16, 2016 · 0 comments

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@amosr
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amosr commented Mar 16, 2016 

feature injury ~> (group location ~> sum severity), (group location ~> count severity)

one would hope that this only generate one map, equivalent to:

feature injury ~> group location ~> (sum severity, count severity)

but sadly this is not the case.
there must be something missing in the Avalanche transforms.
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