[Numpy-discussion] [SciPy-User] Why slicing Pandas column and then subtract gives NaN?
robert.kern at gmail.com
Sun Feb 17 15:14:34 EST 2019
On Sat, Feb 16, 2019 at 8:42 PM C W <tmrsg11 at gmail.com> wrote:
>> No one here is trying to convince you to use Python. If you don't like
>> it, don't use it.
> The problem is not me, it's the language. No need to take it out on me
> personally. I've used other languages, Python is lacking in this area. I'm
> being very frank here, just think about it.
No one was taking it out on you personally. We're just stating that we're
not interested in having a discussion about which semantics are best, much
less convincing you that Python's choice is the right one. They have been
that way for a long time, and the time for making those decisions is long
past. We could not change them now if we wanted to. Empirically, I've been
on these lists for about 20 years now, and I have not seen this pop up as a
frequent issue causing bugs in real code, so I would submit that if there
is a lack (or benefit) compared to other languages, it is small.
That said, Python is not alone here. Perl and Ruby have Python's semantics.
R introduces NaNs but does not raise an error. Matlab and Julia do raise
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