# Tree Canopy Observations — Trailing Mean Series + Keyed Dataset Comparison

> Tree Canopy Observations — Trailing Mean Series + 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 2026-10-26).

Computes a trailing mean time series and performs a keyed dataset comparison on supplied tree canopy observation records (canopy_m2, plot_m2) for up to 200 rows.

## Facts

- Endpoint: POST https://market.datapackvibe.com/x402/assistant-ib26-weather-17-153?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/tree-canopy-observations-trailing-mean-series-keyed-dataset-comparison-d483cbc6
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_Q1YQ6tYT68eiJi9IknkJp

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 tree-canopy-observations-trailing-mean-series-keyed-dataset-comparison-d483cbc6 -d '<json body>'
```

Example prompt: I have two sets of tree canopy observations — up to 200 rows each, with columns for row_id, station_group, date, canopy_m2, and plot_m2 — can you run a trailing mean series and a keyed dataset comparison on them, analyzing the canopy_m2 field?

## When to prefer this

Choose this endpoint when you have pre-collected tree canopy or plot area observations in tabular form and need two complementary analytical views — a smoothed trailing mean series and a row-keyed diff between two datasets — in a single low-cost API call. Ideal for environmental monitoring workflows, urban forestry audits, or land-use assessments where you supply your own data and need fast local computation without external data enrichment or prediction.

## Known failure modes

- Exceeds 200-row limit — request rejected or truncated
- Missing required fields (row_id, station_group, date, canopy_m2, plot_m2) — validation error
- Date strings not matching YYYY-MM-DD pattern — schema rejection
- Mismatched row keys between primary and comparison datasets — comparison gaps or nulls
- Null numeric values for selected field — trailing mean may produce partial results
- Invalid field enum value (not canopy_m2 or plot_m2) — schema error

## How this service works

Tree canopy observations — Trailing mean series + Keyed dataset comparison: Trailing mean series + Keyed dataset comparison for supplied tree canopy observations records (canopy_m2, plot_m2). 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 trailing mean time series showing smoothed values for the selected field (canopy_m2 or plot_m2) across the supplied rows, and (2) a keyed dataset comparison identifying row-level differences between the primary and secondary datasets matched by row_id. Both reports are computed locally with no external lookups.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "rows": {
   "type": "array",
   "items": {
    "type": "object",
    "required": [
     "row_id",
     "station_group",
     "date",
     "canopy_m2",
     "plot_m2"
    ],
    "properties": {
     "date": {
      "type": "string",
      "default": "",
      "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
      "maxLength": 10
     },
     "row_id": {
      "type": "string",
      "default": "",
      "maxLength": 80,
      "minLength": 1
     },
     "plot_m2": {
      "type": [
       "number",
       "null"
      ],
      "maximum": 1000000000000,
      "minimum": -1000000000000
     },
     "canopy_m2": {
      "type": [
       "number",
       "null"
      ],
      "maximum": 1000000000000,
      "minimum": -1000000000000
     },
     "station_group": {
      "type": "string",
      "default": "",
      "maxLength": 80
     }
    },
    "additionalProperties": false
   },
   "default": [
    {
     "date": "2026-10-01",
     "row_id": "row-1",
     "plot_m2": 1,
     "canopy_m2": 10,
     "station_group": "group-a"
    },
    {
     "date": "2026-10-02",
     "row_id": "row-2",
     "plot_m2": 2,
     "canopy_m2": 20,
     "station_group": "group-b"
    },
    {
     "date": "2026-10-03",
     "row_id": "row-3",
     "plot_m2": 3,
     "canopy_m2": 15,
     "station_group": "group-a"
    },
    {
     "date": "2026-10-04",
     "row_id": "row-4",
     "plot_m2": 4,
     "canopy_m2": 30,
     "station_group": "group-b"
    }
   ],
   "maxItems": 200,
   "minItems": 1
  },
  "field": {
   "enum": [
    "canopy_m2",
    "plot_m2"
   ],
   "type": "string",
   "default": "canopy_m2"
  },
  "other": {
   "type": "array",
   "items": {
    "type": "object",
    "required": [
     "row_id",
     "station_group",
     "date",
     "canopy_m2",
     "plot_m2"
    ],
    "properties": {
     "date": {
      "type": "string",
      "default": "",
      "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
      "maxLength": 10
     },
     "row_id": {
      "type": "string",
      "default": "",
      "maxLength": 80,
      "minLength": 1
     },
     "plot_m2": {
      "type": [
       "number",
       "null"
      ],
      "maximum": 1000000000000,
      "minimum": -1000000000000
     },
     "canopy_m2": {
      "type": [
       "number",
       "null"
      ],
      "maximum": 1000000000000,
      "minimum": -1000000000000
     },
     "station_group": {
      "type": "string",
      "default": "",
      "maxLength": 80
     }
    },
    "additi
… (truncated)
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/tree-canopy-observations-trailing-mean-series-keyed-dataset-comparison-d483cbc6/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)