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Sampling Observations — Category Frequencies + Secondary-Measure Weighted Mean
x402
Sampling Observations — Category Frequencies + Secondary-Measure Weighted Mean is a paid API for AI agents from market.datapackvibe.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-15).
Computes category frequencies and secondary-measure weighted mean for up to 200 user-supplied sampling observation rows (sample_value, sample_weight) using local analytics.
Price / call$0.01
Success—
StatusUnknown
How this service works
Sampling observations — Category frequencies + Secondary-measure weighted mean: Category frequencies + Secondary-measure weighted mean for supplied sampling observations records (sample_value, sample_weight). 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 analytical reports derived from the supplied rows: (1) category frequencies showing how often each dataset_group value appears, and (2) a secondary-measure weighted mean of the specified field (sample_value or sample_weight), computed locally without any external lookup or live data.
Example use cases
Survey response frequency by group
“I've collected 80 survey responses tagged with group labels and response scores with weights — can you run category frequency counts and a weighted mean on the sample_value field across those dataset groups?”
Quality control sample analysis
“I have 120 quality control measurements from two production lines, each with a sample weight reflecting batch size — give me the category frequencies and weighted mean for sample_value so I can compare the lines.”
Clinical trial sampling summary
“Here are 180 patient sampling records split across treatment groups with sample values and weights for each observation date — compute the category frequencies and weighted mean on sample_value for my statistical report.”
Technical details
Endpoint
POSThttps://market.datapackvibe.com/x402/assistant-ib26-analytics-15-109?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you have user-supplied tabular sampling data (up to 200 rows) and need both a category frequency report and a weighted mean statistic in a single low-cost call ($0.01 USDC). It is ideal for offline/batch statistical summaries where no live data lookup, prediction, or external enrichment is needed — just local analytics on your own dataset.
Side effects
- More than 200 rows submitted — request rejected due to maxItems constraint
- Missing required fields (row_id, dataset_group, date, sample_value, sample_weight) cause validation errors
- Invalid date format (not YYYY-MM-DD) triggers pattern mismatch
- Numeric values outside ±1,000,000,000,000 range rejected
- Empty rows array rejected (minItems: 1)
- Payment failure for 0.01 USDC results in 402 response
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| rows | array | |
| field | string |
Tags
x402
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