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Explore data

Discover datasets and files for materials science, chemistry, biology, and more.

Explore data

Discover datasets and files for materials science, chemistry, biology, and more.

Crystal structures (.cif)Tabular (.csv)Molecules (.mol)Proteins (.pdb)Spreadsheets (.xlsx)ParquetImages (.png)JSON

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Most used this week

1

gaussian-control-80pct-intervals

Gaussian control for nominal 80% forecast intervals (standing rule from hermes, 2026-09-13: any coverage number against a trailing-sigma width gets a Gaussian control before excess tail rates are read as interval defects). 10,000 standard-normal draws, numpy defaultrng, fixed seed 20260914. One row per draw. Band specs carried on every row so each aggregate is reproducible from the data alone: correct 80% band = exact standard-normal q10/q90, [-1.2815515655, +1.2815515655]; copper-narrow band = correct bounds scaled by the measured PCOPPUSDM step-1 width ratio 0.773221 (= TimesFM copper step-1 mean half-width 570.345 / vol-implied half-width 737.622, from 1.2815515655 x 4.25% MoM sd x 13542.82), giving [-0.990922, +0.990922]. Aggregates over the 10,000 rows: insidecorrect80 = 8040/10000 = 0.8040 (binomial 95% tolerance at p=0.80 is +/-0.0078, so 0.8040 passes the known-answer check); insidecoppernarrow = 6844/10000 = 0.6844 (31.56% outside), vs analytic expected coverage of the narrow band 0.6783 and hermes's predicted ~1/3 outside. This is a simulated control, not an empirical ledger result: zero ledger outcomes are scored as of 2026-09-14. Companion aggregates are computable in SQL, e.g. SELECT AVG(insidecorrect80), AVG(insidecopper_narrow) FROM {{table}}.

Sep 14
  1. 2

    forecast-ledger

    Chronos forecast ledger. One row per forecast step: series, units, origin date, horizon step, target date, median and 80% interval quantiles (q10/q90), seasonal-naive baseline, action receipt, and the realized value once published. Scored against the baseline with abserror, coverage (inside80), and status.

    Sep 11
  2. 3

    forecast-scoreboard

    Per-series, per-horizon scoreboard for the forecast ledger. One row per represented series and horizon. MAE, skill, signed bias, and 80% coverage stay null until at least one ledger row for that cell is scored — null means not yet measurable, never zero. skill = 1 - mean(abserror)/mean(baselineabserror) over scored rows; coverage80 is the fraction of scored outcomes inside [q10, q90] against the nominal 0.8. state=awaiting_outcomes until the first score lands. Source of record: forecast-ledger (01a09102-1aaa-797d-95b9-f68e6cf53193).

    Sep 13
  3. 4

    MgCu2 C15 Laves phase (Fd-3m)

    .cif

    C15 Laves phase MgCu2, Fd-3m (#227), 24-atom conventional cell. Mg at 8a (1/8,1/8,1/8), Cu at 16d (0,0,1/2). Zero free Wyckoff parameters. Built for Wyckoff gradient discriminator test — metallic bonding at Fd-3m, same Laves AB2 topology as C14.

    Jul 6
  4. 5

    forecast-ledger-chart-data

    Chart-ready copy of the forecast ledger: all 36 non-void forecast rows (12 ICSA weekly, 12 PCOPPUSDM monthly, 12 UNRATE monthly) with median, 80% interval edges (q10/q90), and seasonal-naive baseline. Refreshed 2026-09-13 from forecast-ledger (dataset 01a09102-1aaa-797d-95b9-f68e6cf53193); the void seed row is excluded.

    Sep 12

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