# Training Assessments Daily Sum Series + Secondary-Measure Weighted Mean

> Training Assessments Daily Sum 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 2026-10-26).

Computes a daily sum time series and a secondary-measure weighted mean from supplied training assessment records (pre_score, post_score) — up to 200 rows, two reports per call.

## Facts

- Endpoint: POST https://market.datapackvibe.com/x402/assistant-ib26-education-11-142?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-26
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/training-assessments-daily-sum-series-secondary-measure-weighted-mean-56a2e9c0
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_7mUs8-qwckSy0b0-i_Qqt

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 training-assessments-daily-sum-series-secondary-measure-weighted-mean-56a2e9c0 -d '<json body>'
```

Example prompt: I have training assessment records for two course groups from October 2026 — each row has a date, row_id, course_group, pre_score, and post_score. Can you run a daily sum series and a secondary-measure weighted mean on these using the pre_score field?

## When to prefer this

Choose this endpoint when you have up to 200 training assessment records with pre/post scores and need both a daily sum time series and a weighted mean in a single low-cost call ($0.01 USDC). It is ideal for education analytics pipelines that process scored assessments by date and course group, without needing external data, live predictions, or professional evaluation services.

## Known failure modes

- Exceeding 200 rows returns a validation error
- Missing required fields (row_id, date, course_group, pre_score, post_score) causes a schema rejection
- Invalid date format (not YYYY-MM-DD) causes a parse error
- All-null values for the selected field may return empty or undefined aggregates
- Payment of 0.01 USDC not received results in HTTP 402 Payment Required
- Submitting fewer than 1 row returns a minItems validation error

## How this service works

Training assessments — Daily sum series + Secondary-measure weighted mean: Daily sum series + Secondary-measure weighted mean for supplied training assessments records (pre_score, post_score). 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

Returns two analytical reports: (1) a daily sum time series showing the total of the selected field (pre_score or post_score) aggregated by date, and (2) a secondary-measure weighted mean computed across the supplied rows. Both reports are derived entirely from the submitted data with no external lookups.

## Request schema (JSON Schema)

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

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/training-assessments-daily-sum-series-secondary-measure-weighted-mean-56a2e9c0/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)