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Wrong values in j with complex values if "by" has more than 1 group. #3639
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eliocamp
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Wrong values in j with complex values if "by" has more than 1 variable.
Wrong values in j with complex values if "by" has more than 1 group.
Jun 10, 2019
Definitely looks like a bug. This doesn't happen with other classes. |
TIL
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A workaround is to store real and imaginary parts separately:
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MichaelChirico
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Jul 10, 2019
remove debugging helpers remove debugging helpers remove debugging helpers
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I understand that complex number support is not fully implemented (see this issue), but this is weird and, very serious, IMHO, because it can be a big source of silent errors.
Now both data.tables should have the same data, but…
The problems are not evently distributed:
And it doesn’t happen if “by” has only one group
Created on 2019-06-10 by the reprex package (v0.2.1)
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