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Merged
merged 9 commits into from
Feb 22, 2025
Merged

feat: add stats/base/dists/bradford/mean #5271

merged 9 commits into from
Feb 22, 2025

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anandkaranubc
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@anandkaranubc anandkaranubc commented Feb 17, 2025 •
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Progresses #168

Description

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This pull request:

  • Adds the JS implementation of the expected value of a Bradford distribution.

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@anandkaranubc
feat: add implementation
e75947f 
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feat: add tests
8d7c61b 
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@anandkaranubc
feat: add benchmarks, examples, docs
d1bcd7d 
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@stdlib-bot stdlib-bot added Statistics Issue or pull request related to statistical functionality. Needs Review A pull request which needs code review. labels Feb 17, 2025
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stdlib-bot commented Feb 17, 2025 •
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Coverage Report

Package Statements Branches Functions Lines
stats/base/dists/bradford/mean $\color{green}117/117$
$\color{green}+100.00\%$ 		$\color{green}6/6$
$\color{green}+100.00\%$ 		$\color{green}1/1$
$\color{green}+100.00\%$ 		$\color{green}117/117$
$\color{green}+100.00\%$

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

anandkaranubc
anandkaranubc commented Feb 17, 2025
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lib/node_modules/@stdlib/stats/base/dists/bradford/mean/test/test.js
t.equal( y, expected[i], 'c: '+c[i]+', y: '+y+', expected: '+expected[i] );
} else {
delta = abs( y - expected[ i ] );
tol = 4.7 * EPS * abs( expected[ i ] );
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The tolerance had to be slightly increased due to differences in the log( 1 + c ) calculations when c was close to 0 while testing it against SciPy-generated test fixtures.

anandkaranubc
anandkaranubc commented Feb 17, 2025
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lib/node_modules/@stdlib/stats/base/dists/bradford/mean/lib/main.js
) {
return NaN;
}
k = ln( 1.0 + c );
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I feel like using log1p would be more appropriate here, but its use causes a greater divergence between our values and SciPy's compared to using ln. I tested it with log1p, and for all test cases to pass, we would need to increase the tolerance to approximately 60.0 * EPS.

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This is more noticeable when c is close to 0.

@anandkaranubc
refactor: follow code convention
e5455d3 
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@anandkaranubc anandkaranubc marked this pull request as draft February 19, 2025 09:28
@stdlib-bot stdlib-bot removed the Needs Review A pull request which needs code review. label Feb 19, 2025
@anandkaranubc
refactor: random number generation in examples
663a340 
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@anandkaranubc anandkaranubc marked this pull request as ready for review February 19, 2025 10:35
@stdlib-bot stdlib-bot added the Needs Review A pull request which needs code review. label Feb 19, 2025
@anandkaranubc
refactor: use uniform array in benchmarks
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docs: improve clarity in README
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Planeshifter
Planeshifter approved these changes Feb 22, 2025
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LGTM!

@Planeshifter Planeshifter added the Ready To Merge A pull request which is ready to be merged. label Feb 22, 2025
@stdlib-bot stdlib-bot removed the Needs Review A pull request which needs code review. label Feb 22, 2025
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PR Commit Message

feat: add `stats/base/dists/bradford/mean`

PR-URL: https://github.com/stdlib-js/stdlib/pull/5271

Co-authored-by: Karan Anand <[email protected]>
Reviewed-by: Philipp Burckhardt <[email protected]>

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

@Planeshifter Planeshifter merged commit 5d1c0d2 into stdlib-js:develop Feb 22, 2025
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@anandkaranubc anandkaranubc deleted the bradford/mean branch May 10, 2025 14:33
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RFC: add the Bradford distribution

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