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Forecast Verification: Two-Measure Correlation + Keyed Dataset Comparison
x402
Forecast Verification: Two-Measure Correlation + Keyed Dataset Comparison is a paid API for AI agents from market.datapackvibe.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-29).
Computes two independent statistical reports — a two-measure correlation and a keyed dataset comparison — on supplied forecast vs. observed value records, up to 200 rows each.
Price / call$0.01
Success—
StatusUnknown
How this service works
Forecast verification inputs — Two-measure correlation + Keyed dataset comparison: Two-measure correlation + Keyed dataset comparison for supplied forecast verification inputs records (forecast_value, observed_value). Up to 200 rows; 2 independent reports using shared local analytical engines. No live lookup, prediction, professional assessment or external action. 0.01 USDC includes 2 supplied-data reports for up to 200 rows.
Output
Two independent analytical reports per call: (1) a two-measure correlation between forecast_value and observed_value across the supplied rows, and (2) a keyed dataset comparison between the primary and secondary submitted datasets, both computed locally without external lookups or live data.
Example use cases
Weather station forecast accuracy check
“I have 150 rows of daily weather forecasts and observed temperatures from multiple station groups. Can you compute both a two-measure correlation and a keyed comparison between the forecast and observed values so I can see how accurate we were?”
Compare two forecast model runs
“I want to compare two sets of forecast records — my primary model run and an alternate run — each keyed by row_id, station_group, and date. Can you run the two-measure correlation and keyed dataset comparison and show me the differences?”
Verify seasonal forecast batch
“Here are 200 rows of seasonal forecast vs. observed data records from group-a and group-b stations across Q4 dates. Please generate both the correlation report and the keyed dataset comparison so I can assess forecast quality.”
Technical details
Endpoint
POSThttps://market.datapackvibe.com/x402/assistant-ib26-weather-24-183?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you have pre-collected forecast and observed numeric records and need two simultaneous statistical reports — correlation and keyed comparison — without any live weather lookup, external prediction, or professional assessment. Ideal for batch post-hoc forecast verification workflows on datasets up to 200 rows per call at minimal cost ($0.01 USDC).
Side effects
- More than 200 rows submitted — request rejected or truncated
- Missing required fields (row_id, date, forecast_value, observed_value) cause validation errors
- Null values in numeric fields may affect correlation computation
- Invalid date format (not YYYY-MM-DD) causes schema validation failure
- Empty rows array returns an error
- Mismatched keys between primary and comparison datasets may produce sparse comparison results
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| rows | array | |
| other | array |
Tags
x402
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