Signalcrest
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devtoolsentity · corroborated across sources

xy

for data scientists

Steady

7

signal score

1

live items

Cooling

7-day est. ~0

hackernews

Why this scored 7

every term, weighted
Velocity+0.7 / 40 max

Its fastest-moving item, measured against the pace of its own source

Acceleration+0.0 / 25 max

Whether that velocity is itself speeding up, as a per-hour rate

Cross-source spread+0.0 / 25 max

How many independent communities its own items come from

Recency+8.5 / 10 max

Decays to zero over 14 days, counted from when we first saw it

Saturation penalty2.0 / 30 max

Subtracted once something is big and old — sized by its biggest item, aged from when we first saw it

Composite7.3

Weights are hand-tuned, not learned — we're calibrating them against realized trends as history accumulates. On an entity's first sighting there's no previous reading to compare against, so acceleration starts from a neutral prior rather than a measurement. Full methodology

Outlook

low confidence · estimate, not a guarantee

7-day

~0

range 00

14-day

~0

range 00

30-day

~0

range 00

Signal history

7-day window (free)

— — projected trajectory (estimate, not a guarantee)

The evidence

The live items this entity's score aggregates — every community independently talking about it right now. This is the corroboration, shown, not claimed.

  1. 115

    xy is very fast and customizable charting library for Python

    Fast python charting library — for data scientists

    lobstersdataCooling🔗 2 · xy1d ago
  2. 27

    Show HN: XY – A Fast, composable, GPU-accelerated interactive plotting library

    New plotting library — for data scientists

    hackernewsdevtoolsSteady2d ago