{"uid":"cap_vjK6fbn10ZhNcxC7nKbkE","slug":"forecast-verification-secondary-measure-weighted-mean-keyed-dataset-bcbcaeea","name":"Forecast Verification — Secondary-Measure Weighted Mean & Keyed Dataset Comparison","description":"Forecast verification inputs — Secondary-measure weighted mean + Keyed dataset comparison: Secondary-measure weighted mean + 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 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a secondary-measure weighted mean and performs keyed dataset comparison on up to 200 rows of forecast vs. observed values, returning 2 analytical reports per call.","exampleAgentPrompt":"I have two sets of forecast verification records (up to 200 rows each) with forecast_value and observed_value fields — can you run a secondary-measure weighted mean on the forecast_value field and do a keyed dataset comparison between the two datasets?","exampleUseCases":[{"title":"Weather model accuracy audit","prompt":"I have 150 rows of daily weather station data with forecast_value and observed_value for October 2026 across two station groups — run a secondary-measure weighted mean on the forecast_value field and compare this dataset against last month's records so I can see where the model drifted."},{"title":"Station group forecast comparison","prompt":"Compare these two batches of forecast verification records from station groups A and B — I want the weighted mean of forecast_value and a keyed comparison between the two datasets to see which group has better forecast accuracy."},{"title":"Forecast bias detection across dates","prompt":"I've got two sets of 80 forecast-vs-observed records from different model runs, both keyed by row_id and date — give me the secondary-measure weighted mean and a side-by-side keyed dataset comparison so I can spot any systematic bias."}],"resultDescription":"Returns 2 analytical reports per call: (1) a secondary-measure weighted mean computed over the selected field (forecast_value or observed_value) across the supplied rows, and (2) a keyed dataset comparison between the primary rows dataset and the reference 'other' dataset, identifying differences by row key. No external data is fetched; all analysis is performed on the submitted data.","failureModes":["Fewer than 1 row submitted — validation error","More than 200 rows submitted — rejected with max-items error","Missing required fields (row_id, date, forecast_value, observed_value) — schema validation failure","Invalid date format (not YYYY-MM-DD) — pattern validation error","Null values in forecast_value or observed_value may affect weighted mean computation","Mismatched row_ids between primary and 'other' datasets reduce comparison coverage"],"whenToPreferThis":"Choose this endpoint when you need both a weighted mean statistic and a keyed row-level comparison between two forecast verification datasets in a single call. It is purpose-built for forecast vs. observed value analysis with station group context, supports up to 200 rows, and returns two distinct reports for $0.01 USDC. Prefer alternatives if you need live forecast data, external weather lookups, or more than 200 rows per batch.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-26T18:50:32.344Z","isFirstParty":false,"canonicalSlug":"forecast-verification-secondary-measure-weighted-mean-keyed-dataset-bcbcaeea"}