https://w3id.org/np/RAPnjXJ_bRMk2ow-AzmXsBtvSzuyilP0UPFmzzIhfIXds
.trig | .trig.txt | .jelly | .jelly.txt | .jsonld | .jsonld.txt | .nq | .nq.txt | .xml | .xml.txt
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dc:description "Children grouped by mid-parent height rounded to the inch; groups with n >= 20; Levene's test (median-centred) across groups and the ratio of largest to smallest group SD.";
<http://www.w3.org/2000/01/rdf-schema#comment> "Measured: 0.3092 Levene p-value across mid-parent groups (n = 893, max/min SD ratio 1.467). Interpretation: Galton reported Q 'roughly the same' across co-fraternities, 'a trifle larger' for tall mid-parents; the test allows that trifle (ratio under 1.5) and asks whether a standard heteroscedasticity test rejects equal spread.";
<http://www.w3.org/2000/01/rdf-schema#label> "Claim test of galton1889-06: supports, confidence 0.75";
<http://www.w3.org/2000/01/rdf-schema#seeAlso> <https://github.com/fractastical/delphisci/blob/bf2af6ee0a84e23ffa6414ad7a0a50a8c276506e/test-data/claim-tests/evolution-after-darwin/galton1889-06/result.json>;
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<https://w3id.org/delphi/ontology/admissibleDatasets> "Planned datasets: histdata-galtonfamilies";
<https://w3id.org/delphi/ontology/assessmentType> "claim-test/0.1.0";
<https://w3id.org/delphi/ontology/dataKind> "biological";
<https://w3id.org/delphi/ontology/disconfirmingObservation> "Levene p < 0.05 AND ratio >= 1.5: refutes. One of the two: mixed. Fewer than 5 groups with n >= 20: inconclusive.";
<https://w3id.org/delphi/ontology/evidenceAgainst> "All four Galton tests use this one dataset, which is the material Galton himself summarised; they are a recount with modern regression, not independent evidence, and count as one dataset for any aggregate.",
"Galton used the quartile deviation Q; the test uses the SD, which for near-normal data is Q/0.6745.";
<https://w3id.org/delphi/ontology/expectedObservation> "Children grouped by mid-parent height to the nearest inch (groups with n >= 20 only): Levene's test (median-centred) p > 0.05 AND ratio of largest to smallest group SD < 1.5: supports.";
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dc:description "";
dc:license "GPL (HistData); 1886 records public domain";
<http://www.w3.org/2000/01/rdf-schema#label> "Dataset: Galton's family height records (1886), Hanley (2004) transcription, HistData::GaltonFamilies via the Rdatasets CSV mirror";
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