# Release Note Coverage — Trailing Mean Series + Secondary-Measure Weighted Mean

> Release Note Coverage — Trailing Mean Series + 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 2026-10-23).

Computes a trailing mean time series and a secondary-measure weighted mean for release note coverage data (documented_changes, released_changes) over up to 200 rows, returning two independent analytical reports.

## Facts

- Endpoint: POST https://market.datapackvibe.com/x402/assistant-ib26-writing-15-151?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-23
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/release-note-coverage-trailing-mean-series-secondary-measure-weighted-43b2db0f
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_5joBYD5BXZOi1wOI9czDb

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability release-note-coverage-trailing-mean-series-secondary-measure-weighted-43b2db0f -d '<json body>'
```

Example prompt: Can you run trailing mean and weighted mean analysis on my release note coverage data? I have 4 rows — row-1 (2026-10-01, group-a, released_changes=1, documented_changes=10), row-2 (2026-10-02, group-b, 2/20), row-3 (2026-10-03, group-a, 3/15), row-4 (2026-10-04, group-b, 4/30) — use documented_changes as the primary field and a window of 2.

## When to prefer this

Use this endpoint when you have release note coverage records with both documented_changes and released_changes fields and need both a rolling/trailing mean time series and a secondary-measure weighted mean in a single API call. It is well-suited for documentation quality analytics, sprint retrospectives, or dashboard pipelines processing up to 200 rows at a time without needing external data enrichment.

## Known failure modes

- Fewer than 1 row submitted — returns validation error
- More than 200 rows submitted — request rejected
- Window size larger than number of rows — trailing mean may produce incomplete or null series entries
- Invalid date format (not YYYY-MM-DD) — schema validation failure
- Null values in documented_changes or released_changes may affect weighted mean calculation
- Invalid field enum value — schema validation error

## How this service works

Release note coverage — Trailing mean series + Secondary-measure weighted mean: Trailing mean series + Secondary-measure weighted mean for supplied release note coverage records (documented_changes, released_changes). 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: (1) a trailing mean time series over the specified window for the chosen primary field (documented_changes or released_changes), and (2) a secondary-measure weighted mean computed across the supplied rows. Results are based purely on the submitted data with no external lookups.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "rows": {
   "type": "array",
   "items": {
    "type": "object",
    "required": [
     "row_id",
     "document_group",
     "date",
     "documented_changes",
     "released_changes"
    ],
    "properties": {
     "date": {
      "type": "string",
      "default": "",
      "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
      "maxLength": 10
     },
     "row_id": {
      "type": "string",
      "default": "",
      "maxLength": 80,
      "minLength": 1
     },
     "document_group": {
      "type": "string",
      "default": "",
      "maxLength": 80
     },
     "released_changes": {
      "type": [
       "number",
       "null"
      ],
      "maximum": 1000000000000,
      "minimum": -1000000000000
     },
     "documented_changes": {
      "type": [
       "number",
       "null"
      ],
      "maximum": 1000000000000,
      "minimum": -1000000000000
     }
    },
    "additionalProperties": false
   },
   "default": [
    {
     "date": "2026-10-01",
     "row_id": "row-1",
     "document_group": "group-a",
     "released_changes": 1,
     "documented_changes": 10
    },
    {
     "date": "2026-10-02",
     "row_id": "row-2",
     "document_group": "group-b",
     "released_changes": 2,
     "documented_changes": 20
    },
    {
     "date": "2026-10-03",
     "row_id": "row-3",
     "document_group": "group-a",
     "released_changes": 3,
     "documented_changes": 15
    },
    {
     "date": "2026-10-04",
     "row_id": "row-4",
     "document_group": "group-b",
     "released_changes": 4,
     "documented_changes": 30
    }
   ],
   "maxItems": 200,
   "minItems": 1
  },
  "field": {
   "enum": [
    "documented_changes",
    "released_changes"
   ],
   "type": "string",
   "default": "documented_changes"
  },
  "window": {
   "type": "integer",
   "default": 2,
   "maximum": 200,
   "minimum": 2
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/release-note-coverage-trailing-mean-series-secondary-measure-weighted-43b2db0f/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from market.datapackvibe.com](https://www.zero.xyz/host/market.datapackvibe.com/llms.txt)