to be honest, I read "topk" as "topeka", but I am weird. While numpy doesn't use underscores all that much, I think this is one case where it makes sense.

I'd also watch out for the use of the term "sorted", as it may mean different things to different people, particularly with regards to what its default value should be. I also find myself initially confused by the names "largest" and "sorted", especially what should they mean with the "min-k" behavior. I think Dask's use of negative k is very pythonic and would help keep the namespace clean by avoiding the extra "min_k".

As for the indices, I am of two minds. On the one hand, I don't like polluting the namespace with extra functions. On the other hand, having a function that behaves differently based on a parameter is just fugly, although we do have a function that does this - np.unique().

Ben Root

On Sun, May 30, 2021 at 8:22 AM Neal Becker <ndbecker2@gmail.com> wrote:

Topk is a bad choice imo. I initially parsed it as to_pk, and had no idea what that was, although sounded a lot like a scipy signal function. Nlargest would be very obvious._______________________________________________On Sun, May 30, 2021, 7:50 AM Alan G. Isaac <alan.isaac@gmail.com> wrote:Mathematica and Julia both seem relevant here.

Mma has TakeLargest (and Wolfram tends to think hard about names).

https://reference.wolfram.com/language/ref/TakeLargest.html

Julia's closest comparable is perhaps partialsortperm:

https://docs.julialang.org/en/v1/base/sort/#Base.Sort.partialsortperm

Alan Isaac

On 5/30/2021 4:40 AM, kangkai@mail.ustc.edu.cn wrote:

> Hi, Thanks for reply, I present some details below:

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