Pandas or Numpy

[Julius Hamilton]

Hey,


I don’t know but in case you don’t get other good answers, I’m pretty sure
Numpy is more of a mathematical library and Pandas is definitely for
handling spreadsheet data.


So maybe both.


Julius

On Sun 23. Jan 2022 at 18:28, Chris Angelico <rosuav at gmail.com> wrote:

> On Mon, 24 Jan 2022 at 04:10, Tobiah <toby at tobiah.org> wrote:
> >
> > I know very little about either.  I need to handle score input files
> > for Csound.  Each line is a list of floating point values where each
> > column has a particular meaning to the program.
> >
> > I need to compose large (hundreds, thousands, maybe millions) lists
> > and be able to do math on, or possibly sort by various columns, among
> other
> > operations.  A common requirement would be to do the same math operation
> > on each value in a column, or redistribute the values according to an
> > exponential curve, etc.
> >
> > One wrinkle is that the first column of a Csound score is actually a
> > single character.  I was thinking if the data types all had to be the
> > same, then I'd make a translation table or just use the ascii value
> > of the character, but if I could mix types that might be a smidge better.
> >
> > It seems like both libraries are possible choices.  Would one
> > be the obvious choice for me?
> >
>
> I'm not an expert, but that sounds like a job for Pandas to me. It's
> excellent at handling tabular data, and yes, it's fine with a mixture
> of types. Everything else you've described should work fine (not sure
> how to redistribute on an exponential curve, but I'm sure it's not
> hard).
>
> BTW, Pandas is built on top of Numpy, so it's kinda "both".
>
> ChrisA
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