feat: add `stats/base/dists/halfnormal/skewness` #9762

Lokeshranjan8 · 2026-01-15T05:39:29Z

Resolves #9416.

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stdlib-bot · 2026-01-15T09:37:06Z

Coverage Report

No coverage information available.

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Signed-off-by: Lokesh Ranjan <[email protected]>

…meter' Signed-off-by: Lokesh Ranjan <[email protected]>

Signed-off-by: Lokesh Ranjan <[email protected]>

Lokeshranjan8 · 2026-01-15T13:36:28Z

I’ve returned 0.955 as a simplified constant value across the implementation instead 0.995271746431156

Signed-off-by: Lokesh Ranjan <[email protected]>

Remove unnecessary blank line in gen function. Signed-off-by: Lokesh Ranjan <[email protected]>

Planeshifter

Left a few comments. Also, let's return the exact value and not a rounded one, please.

...b/stats/base/dists/halfnormal/skewness/include/stdlib/stats/base/dists/halfnormal/skewness.h

lib/node_modules/@stdlib/stats/base/dists/halfnormal/skewness/test/fixtures/julia/runner.jl

Planeshifter · 2026-01-16T00:24:16Z

lib/node_modules/@stdlib/stats/base/dists/halfnormal/skewness/test/fixtures/julia/runner.jl

+
+	for i in eachindex(sigma)
+		if sigma[i] > 0.0
+			expected[i] = 0.955


The skewness value here is 0.955 but the actual implementation returns 0.995. Looks like a typo (digits transposed). This should match what the JS/C code returns.

lib/node_modules/@stdlib/stats/base/dists/halfnormal/skewness/README.md

lib/node_modules/@stdlib/stats/base/dists/halfnormal/skewness/docs/repl.txt

lib/node_modules/@stdlib/stats/base/dists/halfnormal/skewness/docs/types/index.d.ts

lib/node_modules/@stdlib/stats/base/dists/halfnormal/skewness/benchmark/c/benchmark.c

…README.md Co-authored-by: Philipp Burckhardt <[email protected]> Signed-off-by: Lokesh Ranjan <[email protected]>

…benchmark/c/benchmark.c Co-authored-by: Philipp Burckhardt <[email protected]> Signed-off-by: Lokesh Ranjan <[email protected]>

…docs/types/index.d.ts Co-authored-by: Philipp Burckhardt <[email protected]> Signed-off-by: Lokesh Ranjan <[email protected]>

…docs/repl.txt Co-authored-by: Philipp Burckhardt <[email protected]> Signed-off-by: Lokesh Ranjan <[email protected]>

…README.md Co-authored-by: Philipp Burckhardt <[email protected]> Signed-off-by: Lokesh Ranjan <[email protected]>

…test/fixtures/julia/runner.jl Co-authored-by: Philipp Burckhardt <[email protected]> Signed-off-by: Lokesh Ranjan <[email protected]>

…include/stdlib/stats/base/dists/halfnormal/skewness.h Co-authored-by: Philipp Burckhardt <[email protected]> Signed-off-by: Lokesh Ranjan <[email protected]>

stdlib-bot added Statistics Issue or pull request related to statistical functionality. Needs Review A pull request which needs code review. labels Jan 15, 2026

Lokeshranjan8 marked this pull request as draft January 15, 2026 05:39

stdlib-bot removed the Needs Review A pull request which needs code review. label Jan 15, 2026

Lokeshranjan8 added 3 commits January 15, 2026 11:20

Lokeshranjan8 added 2 commits January 15, 2026 15:12

Lokeshranjan8 marked this pull request as ready for review January 15, 2026 13:21

stdlib-bot added the Needs Review A pull request which needs code review. label Jan 15, 2026

Lokeshranjan8 added 3 commits January 15, 2026 19:00

Update package.json

9c82c7b

Signed-off-by: Lokesh Ranjan <[email protected]>

Update parameter description from 'Standard deviation' to 'scale para…

26233a9

…meter' Signed-off-by: Lokesh Ranjan <[email protected]>

Update data.json

94707c5

Signed-off-by: Lokesh Ranjan <[email protected]>

Lokeshranjan8 added 3 commits January 15, 2026 19:09

Update runner.jl

2342e7b

Signed-off-by: Lokesh Ranjan <[email protected]>

Update documentation for scale parameter description

fbea6ba

Signed-off-by: Lokesh Ranjan <[email protected]>

Remove blank line in runner.jl

5f62fb5

Remove unnecessary blank line in gen function. Signed-off-by: Lokesh Ranjan <[email protected]>

gunjjoshi changed the title ~~feat: add stats/base/dists/halfnormal/skewness~~ feat: add stats/base/dists/halfnormal/skewness Jan 15, 2026

Planeshifter requested changes Jan 16, 2026

View reviewed changes

Planeshifter added Needs Changes Pull request which needs changes before being merged. and removed Needs Review A pull request which needs code review. labels Jan 16, 2026

stdlib-bot added the Potential Duplicate There might be another pull request resolving the same issue. label Jan 16, 2026

Lokeshranjan8 and others added 5 commits January 16, 2026 14:03

Update lib/node_modules/@stdlib/stats/base/dists/halfnormal/skewness/…

cbf8f29

…README.md Co-authored-by: Philipp Burckhardt <[email protected]> Signed-off-by: Lokesh Ranjan <[email protected]>

Update lib/node_modules/@stdlib/stats/base/dists/halfnormal/skewness/…

f88bf49

…benchmark/c/benchmark.c Co-authored-by: Philipp Burckhardt <[email protected]> Signed-off-by: Lokesh Ranjan <[email protected]>

Update lib/node_modules/@stdlib/stats/base/dists/halfnormal/skewness/…

c1b2dd5

…docs/types/index.d.ts Co-authored-by: Philipp Burckhardt <[email protected]> Signed-off-by: Lokesh Ranjan <[email protected]>

Update lib/node_modules/@stdlib/stats/base/dists/halfnormal/skewness/…

64d8a03

…docs/repl.txt Co-authored-by: Philipp Burckhardt <[email protected]> Signed-off-by: Lokesh Ranjan <[email protected]>

Update lib/node_modules/@stdlib/stats/base/dists/halfnormal/skewness/…

150b440

…README.md Co-authored-by: Philipp Burckhardt <[email protected]> Signed-off-by: Lokesh Ranjan <[email protected]>

Lokeshranjan8 and others added 3 commits January 16, 2026 14:05

Update lib/node_modules/@stdlib/stats/base/dists/halfnormal/skewness/…

6953958

…README.md Co-authored-by: Philipp Burckhardt <[email protected]> Signed-off-by: Lokesh Ranjan <[email protected]>

Update lib/node_modules/@stdlib/stats/base/dists/halfnormal/skewness/…

bafd8b7

…test/fixtures/julia/runner.jl Co-authored-by: Philipp Burckhardt <[email protected]> Signed-off-by: Lokesh Ranjan <[email protected]>

Update lib/node_modules/@stdlib/stats/base/dists/halfnormal/skewness/…

87f0c54

…include/stdlib/stats/base/dists/halfnormal/skewness.h Co-authored-by: Philipp Burckhardt <[email protected]> Signed-off-by: Lokesh Ranjan <[email protected]>

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