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Confusing warning for median of empty array.
See original GitHub issueIn [1]: np.median([])
/usr/lib/python3.4/site-packages/numpy/core/_methods.py:59: RuntimeWarning: Mean of empty slice.
warnings.warn("Mean of empty slice.", RuntimeWarning)
Out[1]: nan
Oops. [numpy 1.9.2]
Issue Analytics
- State:
- Created 8 years ago
- Comments:6 (6 by maintainers)
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This one is specific to mean/median so can simply be removed:
This one is general but god-awful:
double_scalarsis meaningless. I think the invalid value warning should be kept, but the message should be modified to include the actual function it came from if possible. And otherwise changedouble_scalarsto some sensible phrase likearithmetic operation on arrays.Related PR https://github.com/numpy/numpy/pull/5753.