---
title: "Analyze Chart"
method: POST
path: "/api/variation/spc/analyze"
tags: ["variation"]
---

# Analyze Chart

`POST /api/variation/spc/analyze`

## Request

- Base URL: `https://www.ucai.net` (the document declares no server; this is the origin it was published from)
- URL: `https://www.ucai.net/api/variation/spc/analyze`
- Auth: none declared

只算不存：控制限 → 判异 → （受控才算）能力。顺序不能反。

## Request body

- ChartRequest
  - `subgroups` array[], required: 子组数据，各组容量必须相同
    - number[]
  - `usl` number, nullable
  - `lsl` number, nullable

## Response `200`

Successful Response

- object

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/ucai/apis/abs-core.md) · [All operations](https://skmtc.dev/ucai/apis/abs-core/llms.txt) · [OpenAPI document](https://skmtc.dev/ucai/apis/abs-core/revisions/1502a61b5620?raw)