https://w3id.org/np/RAEZuJC4rrm1i8msm_Pvhk1knSgXVZGwRue5PHvibOY7g/Head https://w3id.org/np/RAEZuJC4rrm1i8msm_Pvhk1knSgXVZGwRue5PHvibOY7g http://www.nanopub.org/nschema#hasAssertion https://w3id.org/np/RAEZuJC4rrm1i8msm_Pvhk1knSgXVZGwRue5PHvibOY7g/assertion https://w3id.org/np/RAEZuJC4rrm1i8msm_Pvhk1knSgXVZGwRue5PHvibOY7g http://www.nanopub.org/nschema#hasProvenance https://w3id.org/np/RAEZuJC4rrm1i8msm_Pvhk1knSgXVZGwRue5PHvibOY7g/provenance https://w3id.org/np/RAEZuJC4rrm1i8msm_Pvhk1knSgXVZGwRue5PHvibOY7g http://www.nanopub.org/nschema#hasPublicationInfo https://w3id.org/np/RAEZuJC4rrm1i8msm_Pvhk1knSgXVZGwRue5PHvibOY7g/pubinfo https://w3id.org/np/RAEZuJC4rrm1i8msm_Pvhk1knSgXVZGwRue5PHvibOY7g http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.nanopub.org/nschema#Nanopublication https://w3id.org/np/RAEZuJC4rrm1i8msm_Pvhk1knSgXVZGwRue5PHvibOY7g/assertion https://w3id.org/delphi/resource/assessment/wolfram2002-ch07-14--claim-test http://purl.org/dc/terms/description analysis.py evolves every elementary rule on a ring of 64 cells and every Moore totalistic code on a 16 by 16 torus for 32 steps, from three shuffles at each of two exact black counts. A rule switches when at least two replicates end below 0.15 from the low count and at or above 0.85 from the high count, averaging t = 25..32. A second run matched derived/measured.json byte for byte. https://w3id.org/delphi/resource/assessment/wolfram2002-ch07-14--claim-test http://www.w3.org/1999/02/22-rdf-syntax-ns#type https://w3id.org/delphi/ontology/Assessment https://w3id.org/delphi/resource/assessment/wolfram2002-ch07-14--claim-test http://www.w3.org/2000/01/rdf-schema#comment Measured: 0.0029296875 fraction of the 1024 Moore totalistic rules that switch (n = 1024, exact on these grids, seeds and the 32-step horizon). Interpretation: A density-driven switch means the initially more common color takes over the lattice: a start with black fraction near 0.35 ends at or below 0.15, and a start near 0.65 ends at or above 0.85. 'Fairly rare' in one dimension is a switching fraction at most 0.05. 'Increasingly common' in two dimensions is a fraction at least twice the one-dimensional fraction and at least 0.02. The two-dimensional family is the 1024 totalistic Moore rules, not the full outer-totalistic space, and the grid is 16 by 16 so that the run stays small. Three dimensions are not tested. The computation says nothing about organisms. https://w3id.org/delphi/resource/assessment/wolfram2002-ch07-14--claim-test http://www.w3.org/2000/01/rdf-schema#label Claim test of wolfram2002-ch07-14: mixed, confidence 0.66 https://w3id.org/delphi/resource/assessment/wolfram2002-ch07-14--claim-test http://www.w3.org/2000/01/rdf-schema#seeAlso https://github.com/fractastical/delphisci/blob/bf2af6ee0a84e23ffa6414ad7a0a50a8c276506e/test-data/claim-tests/wolfram-nks/wolfram2002-ch07-14/result.json https://w3id.org/delphi/resource/assessment/wolfram2002-ch07-14--claim-test http://www.w3.org/ns/prov#wasAttributedTo https://w3id.org/delphi/resource/agent/delphisci-claim-tester-grok-4-7 https://w3id.org/delphi/resource/assessment/wolfram2002-ch07-14--claim-test https://w3id.org/delphi/ontology/admissibleDatasets The two families generated by the checksummed script, with the locked widths, steps, black counts and seeds. No organism record is admissible. https://w3id.org/delphi/resource/assessment/wolfram2002-ch07-14--claim-test https://w3id.org/delphi/ontology/assessmentType claim-test/0.1.0 https://w3id.org/delphi/resource/assessment/wolfram2002-ch07-14--claim-test https://w3id.org/delphi/ontology/dataKind computational https://w3id.org/delphi/resource/assessment/wolfram2002-ch07-14--claim-test https://w3id.org/delphi/ontology/disconfirmingObservation The elementary switching fraction is greater than the totalistic switching fraction. https://w3id.org/delphi/resource/assessment/wolfram2002-ch07-14--claim-test https://w3id.org/delphi/ontology/evidenceAgainst No elementary rule switched. Three totalistic codes did: 944, 976 and 992. The two-dimensional fraction 0.0029296875 is above the one-dimensional fraction and below the locked floor of 0.02, so the support line is missed and the reversal line is not crossed. https://w3id.org/delphi/resource/assessment/wolfram2002-ch07-14--claim-test https://w3id.org/delphi/ontology/evidenceAgainst The two-dimensional family is the 1024 totalistic Moore rules, not every two-dimensional rule. Three and higher dimensions were not run. https://w3id.org/delphi/resource/assessment/wolfram2002-ch07-14--claim-test https://w3id.org/delphi/ontology/evidenceAgainst The two-dimensional grid is 16 by 16 and the run is 32 steps. Domain walls can stay stuck on that lattice. A larger grid or a longer run could add switchers. The thresholds were not changed after the run. https://w3id.org/delphi/resource/assessment/wolfram2002-ch07-14--claim-test https://w3id.org/delphi/ontology/evidenceAgainst This is a computation about two cellular-automaton families. It says nothing about organisms. https://w3id.org/delphi/resource/assessment/wolfram2002-ch07-14--claim-test https://w3id.org/delphi/ontology/expectedObservation At most 5 percent of the 256 elementary rules switch, and the switching fraction among the 1024 totalistic rules is at least 0.02 and at least twice the elementary fraction. https://w3id.org/delphi/resource/assessment/wolfram2002-ch07-14--claim-test https://w3id.org/delphi/ontology/failCriterion Pre-registered. Refutes if f1 > f2. Mixed in every other case. The grids and the families are generated by the script, so there is no data-unavailable branch. https://w3id.org/delphi/resource/assessment/wolfram2002-ch07-14--claim-test https://w3id.org/delphi/ontology/hasConfidence 0.66 https://w3id.org/delphi/resource/assessment/wolfram2002-ch07-14--claim-test https://w3id.org/delphi/ontology/hasEvidence https://w3id.org/delphi/resource/evidence/wolfram2002-ch07-14--claim-test--dataset-1 https://w3id.org/delphi/resource/assessment/wolfram2002-ch07-14--claim-test https://w3id.org/delphi/ontology/hasEvidence https://w3id.org/delphi/resource/evidence/wolfram2002-ch07-14--claim-test--dataset-2 https://w3id.org/delphi/resource/assessment/wolfram2002-ch07-14--claim-test https://w3id.org/delphi/ontology/hasVerdict mixed https://w3id.org/delphi/resource/assessment/wolfram2002-ch07-14--claim-test https://w3id.org/delphi/ontology/hypothesis The fraction of elementary rules that let the majority color take over is at most 0.05, and the fraction of 2D Moore totalistic rules that do so is at least twice as large and at least 0.02. https://w3id.org/delphi/resource/assessment/wolfram2002-ch07-14--claim-test https://w3id.org/delphi/ontology/inferenceMethod Count rules that switch on at least two of three replicates. Compare the two fractions with the floors 0.05 and 0.02 and the factor of two. A larger elementary fraction refutes. Anything between the support line and that reversal is mixed. https://w3id.org/delphi/resource/assessment/wolfram2002-ch07-14--claim-test https://w3id.org/delphi/ontology/passCriterion Pre-registered. One dimension: all 256 elementary rules, width 64, periodic, 32 steps. Two dimensions: all 1024 Moore totalistic rules on a 16 by 16 torus, 32 steps; the code's bit s is the next color when the 9-cell Moore sum, including the center, equals s. Black counts are exact: round(0.35*64)=22 and round(0.65*64)=42 in one dimension, round(0.35*256)=90 and round(0.65*256)=166 in two dimensions, placed by random.Random shuffle. Replicates 0, 1, 2 with seeds 910000+rule*8+rep and 920000+rule*8+rep in one dimension, and 930000+code*8+rep and 940000+code*8+rep in two dimensions. Final density is the mean black fraction on t=25..32. A replicate switches when the low start ends <= 0.15 and the high start ends >= 0.85. A rule switches when at least 2 of 3 replicates do. Let f1 and f2 be the switching fractions. 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