{
  "id": "QSY-LIB-0014",
  "title": "白色软玉产地模型：2015年138件样本与验证边界",
  "topic": "软玉研究",
  "kind": "研究档案",
  "group": "knowledge",
  "summary": "档案把研究对象、数据方法和两种验证指标分开记录，用于理解统计准确率的范围；不把研究表现改写成单件商品的产地保证。",
  "aliases": [
    "白色软玉",
    "产地识别",
    "138件样本",
    "IB-LDA",
    "LA-ICP-MS"
  ],
  "properties": [
    {
      "name": "研究年份",
      "value": "2015年",
      "source": "ref-qianshuiyu-20260928-01"
    },
    {
      "name": "对象范围",
      "value": "8个产区的138件白云石相关软玉",
      "source": "ref-qianshuiyu-20260928-01"
    },
    {
      "name": "数据方法",
      "value": "LA-ICP-MS微量元素数据",
      "source": "ref-qianshuiyu-20260928-01"
    },
    {
      "name": "模型方法",
      "value": "IB-LDA统计分类",
      "source": "ref-qianshuiyu-20260928-01"
    },
    {
      "name": "交叉验证指标",
      "value": "总体94.4%",
      "source": "ref-qianshuiyu-20260928-01"
    },
    {
      "name": "盲测指标",
      "value": "平均正确率95.0%",
      "source": "ref-qianshuiyu-20260928-01"
    },
    {
      "name": "适用边界",
      "value": "未收入模型的产地可能被误分到已有组",
      "source": "ref-qianshuiyu-20260928-01"
    }
  ],
  "sections": [
    {
      "title": "指标与单件对象有什么区别",
      "paragraphs": [
        "一项研究的验证数字描述其数据和测试条件下的表现。面对一件来历未知的实物，应先问它是否属于模型讨论的范围，再问实际采用了哪些检测与比对资料。"
      ]
    },
    {
      "title": "怎样记录尚不能回答的问题",
      "paragraphs": [
        "本档案不为未检测物件给出产地。用于讨论研究时，样本件数、测点数、交叉验证与盲测应各占自己的字段，不能用一个百分比替换其他信息。"
      ]
    }
  ],
  "facts": [
    {
      "text": "2015年研究汇集8个产区的138件白云石相关软玉，用LA-ICP-MS数据构建统计分类。模型总体交叉验证指标为94.4%，另列盲测平均正确率95.0%。作者指出，未收入模型的产地样本仍可能被错误分入已有组；这些数字不能直接当作单件未知商品的产地保证。",
      "source": "ref-qianshuiyu-20260928-01"
    }
  ],
  "fields": [],
  "steps": [],
  "limit": "结论仅对应2015年研究的数据和模型。本站未检测样本，不据此提供产地鉴定或承诺任何机构的现行服务；不得用照片套用指标。",
  "sources": [
    "ref-qianshuiyu-20260928-01"
  ],
  "status": "可公开知识资料",
  "authoring": "Codex资料整理与核对，未声称专业鉴定",
  "version": 1,
  "published": "2026-09-28",
  "modified": "2026-09-28",
  "checked": "2026-09-28",
  "site": "qianshuiyu",
  "slug": "qsy-lib-0014",
  "url": "https://www.qianshuiyu.com/library/entries/qsy-lib-0014.html",
  "image": {
    "url": "https://www.qianshuiyu.com/zb_users/upload/2026/09/knowledge-20260928-batch01/qianshuiyu-01.webp",
    "width": 1280,
    "height": 800,
    "alt": "白色软玉产地研究的指标边界：研究对象，8个产区、138件样本，不是全部软玉来源；两种验证，交叉验证与盲测分开，指标不代表单件保证；模型范围，未收入产地可能误分，不凭照片判产地。原创示意，非实物照片。",
    "caption": "图：白色软玉产地研究的指标边界。本站原创知识示意，非实物照片，不按比例。",
    "rights": "本站原创知识图解，未复制机构图片",
    "sha256": "5fff0535074e57f5a61a2609f296d40400172ec2ff5a8d23ec057a1a9a4500f6"
  },
  "related_entry_ids": [
    "QSY-LIB-0002",
    "QSY-LIB-0004"
  ],
  "related_articles": [
    {
      "title": "白色软玉产地识别的94.4%是什么意思？2015年研究的样本边界",
      "url": "https://www.qianshuiyu.com/jianding/22803.html"
    }
  ],
  "change_reason": "新增具体研究或馆藏档案，分列对象属性、研究范围与依据。",
  "source_records": [
    {
      "id": "SRC-LIB-QIANSHUIYU-20260928-01",
      "title": "Origin Determination of Dolomite-Related White Nephrite through IB-LDA",
      "publisher": "GIA / Gems & Gemology",
      "url": "https://www.gia.edu/gems-gemology/fall-2015-dolomite-related-white-nephrite-iterative-binary-linear-discriminant-analysis",
      "published": "2015年秋季",
      "kind": "研究或检测案例原文",
      "summary": "2015年研究汇集8个产区的138件白云石相关软玉，用LA-ICP-MS数据构建统计分类。模型总体交叉验证指标为94.4%，另列盲测平均正确率95.0%。作者指出，未收入模型的产地样本仍可能被错误分入已有组；这些数字不能直接当作单件未知商品的产地保证。",
      "locator": "MATERIAL AND METHODS；Box A；Table A-1；CONCLUSIONS",
      "scope": "结论仅对应2015年研究的数据和模型。本站未检测样本，不据此提供产地鉴定或承诺任何机构的现行服务；不得用照片套用指标。",
      "checked": "2026-09-28"
    }
  ],
  "publisher": "千水玉石网"
}