# Job Listing Inventories — Two-Measure Correlation + Keyed Dataset Comparison

> Job Listing Inventories — 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 2026-10-19).

Runs two local analytical reports on job listing inventory data: a Pearson/Spearman correlation between listing_count and duplicate_listings, plus a keyed row-by-row comparison between two supplied datasets.

## Facts

- Endpoint: POST https://market.datapackvibe.com/x402/assistant-ib26-company-13-183?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-19
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/job-listing-inventories-two-measure-correlation-keyed-dataset-c15d4b81
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_G8cBhsofeDOTFJJzYu1Ec

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 job-listing-inventories-two-measure-correlation-keyed-dataset-c15d4b81 -d '<json body>'
```

Example prompt: I have two sets of job listing inventory records — each with listing_count and duplicate_listings per company group and date, up to 200 rows each — can you run a two-measure correlation between listing_count and duplicate_listings and also do a keyed comparison between the two datasets?

## When to prefer this

Choose this endpoint when you have pre-collected job listing inventory data (listing_count and duplicate_listings per company group and date) and need two offline statistical reports — a correlation analysis and a keyed dataset diff — computed locally without any live data fetching, prediction, or external API calls. Best when you want both reports in a single $0.01 USDC call for up to 200 rows.

## Known failure modes

- Input array exceeds 200 rows — request rejected
- Missing required fields (row_id, company_group, date, listing_count, duplicate_listings) — validation error
- Date field does not match YYYY-MM-DD pattern — schema validation failure
- Insufficient numeric variation in measures to compute meaningful correlation — may return null or NaN coefficient
- Mismatched row_id keys between primary and comparison datasets — unmatched rows flagged or omitted in comparison report
- Payment not included or insufficient — x402 payment required error

## How this service works

Job listing inventories — Two-measure correlation + Keyed dataset comparison: Two-measure correlation + Keyed dataset comparison for supplied job listing inventories records (listing_count, duplicate_listings). 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 two-measure correlation report showing the statistical relationship between listing_count and duplicate_listings across supplied rows, including correlation coefficient and significance indicators; (2) a keyed dataset comparison report showing row-by-row differences between the primary and secondary datasets matched on row_id, company_group, and date. All computation is local with no external lookups.

## Request schema (JSON Schema)

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

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/job-listing-inventories-two-measure-correlation-keyed-dataset-c15d4b81/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)