feat: add Wald distribution mode package

[manit2004]

Progresses #209 .

Description

What is the purpose of this pull request?

• Complete package for Wald mode has been implemented.

Related Issues

Does this pull request have any related issues?

• None

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No.

Other

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No.

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• Read, understood, and followed the contributing guidelines.

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[stdlib-bot]

Coverage Report

Package	Statements	Branches	Functions	Lines
stats/base/dists/wald/mode	$\color{green}179/179$ $\color{green}+0.00%$	$\color{green}10/10$ $\color{green}+0.00%$	$\color{green}2/2$ $\color{green}+0.00%$	$\color{green}179/179$ $\color{green}+0.00%$

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

[Planeshifter]

Left initial round of review. Thanks for the PR!

[Planeshifter]

The C example in the README doesn't match examples/c/example.c. The actual example uses i < 25 (not i < 10), lambda range up to 20.0 (not 10.0), and printf( "µ: %lf, ..." with %lf (not %.4f). Let's sync these so they match.

[manit2004]

@Planeshifter suggested changes has been implemented. Please take a look.

[Neerajpathak07]

@manit2004 Thanks for working on this. Couple more tweaks!!

[manit2004]

@Planeshifter @Neerajpathak07 Suggested changes have been implemented, please take a look.

[manit2004]

@Neerajpathak07 @Planeshifter @kgryte can you please review this PR, requested changes have been applied.

[Planeshifter]

LGTM after some clean-up. Thanks, @manit2004!

[stdlib-bot]

PR Commit Message

feat: add `stats/base/dists/wald/mode`

PR-URL: https://github.com/stdlib-js/stdlib/pull/10205
Ref: https://github.com/stdlib-js/stdlib/issues/209

Co-authored-by: Philipp Burckhardt <pburckhardt@outlook.com>
Reviewed-by: Philipp Burckhardt <pburckhardt@outlook.com>
Reviewed-by: Neeraj Pathak <neerajrpathak710@gmail.com>

Please review the above commit message and make any necessary adjustments.

Everything has been addressed.