docs: update return annotations to use ndarray instance notation in `stats/range-by`

[Orthodox-64]

Resolves None.

Description

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• docs: update return annotations to use ndarray instance notation in stats/range-by

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• #{{TODO: add related issue number}}

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Coverage Report

Package	Statements	Branches	Functions	Lines
stats/range-by	$\color{green}161/161$ $\color{green}+0.00%$	$\color{green}2/2$ $\color{green}+0.00%$	$\color{green}0/0$ $\color{green}+0.00%$	$\color{green}161/161$ $\color{green}+0.00%$

The above coverage report was generated for the changes in this PR.

[Orthodox-64]

Thanks @kgryte! Noted — I’ll make sure the README annotations and dimensionality are correct going forward.

[kgryte]

@Orthodox-64 Ideally, our doctest linter would catch when the dimensionality is incorrect. So it seems like there is a bug in our implementation. It correctly errors when dimensionality matches but values differ. Sigh. Another thing to look into.

[Orthodox-64]

@kgryte Thanks for the clarification. Understood — this appears to be a doctest linter issue and something we should look into. Appreciate the note.