Vellium & Co

Directory › Forecasts, signals and predictions › Linear regression (OLS)

Linear regression (OLS)

Fit a least-squares line y = slope·x + intercept to two equal-length series. Returns slope, intercept, r² (variance explained), and optionally predicted y values for new x inputs - useful for trend extrapolation (e.g. project next quarter's

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Our latest check (2026-10-11)

Answering
Yes — valid x402 payment terms
Time to answer
193 ms
Price
$0.001 per call
Paying buyers, last 30 days
3 (directory's own records)
Paid calls, last 30 days
3
Category
Forecasts, signals and predictions
Address
https://agent402.tools/api/linear-regression

Accuracy

Accuracy scores are published once a seller has enough paid checks against an independent record (at least 7 scored answers over at least 7 days). Until then no score is shown, and a missing score is never a pass.

For agents

This page as JSON: /sellers/3965aaa23c99.json. Paid lookup by address: GET /api/seller?resource=… ($0.001, x402).

Sellers can see the evidence behind their checks and ask for a re-check at [email protected].