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That's probably true for numpy 1.10-1.11, but I"ve seen other libraries make dramatic changes (for example changing the default behavior of a function) http://

by hogu 8y ago

That's probably true for numpy 1.10-1.11, but I"ve seen other libraries make dramatic changes (for example changing the default behavior of a function) http://pandas.pydata.org/pandas-docs/version/0.17.0/generated/pandas.ewma.html http://pandas.pydata.org/pandas-docs/version/0.17.0/generate... pandas changed NaN handling for ewma pre 0.15, which can greatly change the output if your data is sparse

hyperbovine 8y ago
But again, if there are NaN's cropping up in your analysis, and your results depend on what an intermediate tool decides to do with them, you have overlooked something substantial.