# 数据对比

**Repository Path**: NathanCap/data-comparison

## Basic Information

- **Project Name**: 数据对比
- **Description**: 纯 Java 实现 TOPSIS 算法（多指标决策）
安装简单，轻量级，适合大批量方案筛选
你可设定指标权重，输入数据矩阵（double[][]），获得每组方案的 TOPSIS 得分与理想排名
- **Primary Language**: Java
- **License**: Not specified
- **Default Branch**: master
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 0
- **Forks**: 0
- **Created**: 2025-06-25
- **Last Updated**: 2025-06-25

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

# topsis
 This is an implementation of the MCDM (Multi-Criteria Decision Making) solution using TOPSIS (Technique for Order of Preference by Similarity to Ideal Solution) algorithm
 
 To understand more about:
 - TOPSIS: https://en.wikipedia.org/wiki/TOPSIS
 - MCDM: https://en.wikipedia.org/wiki/Multiple-criteria_decision_analysis
 
 Tutorial where I got test data from: https://www.youtube.com/watch?v=Br1NQK0Iumg
 
 Free online tool to run TOPSIS: https://decision-radar.com/


数据格式
    {
        "name": "Alternative 2", //方案名
        "criteriaValues": [//该方案在指标上的原始值
            {
                "criteria": { //评价指标
                    "name": "平均利用率",//指标名称
                    "weight": 0.7,//指标权重
                    "negative": false
                },
                "value": 10.64//该方案在该指标上的原始值
            },
            {
                "criteria": {
                    "name": "总平均等待时间",
                    "weight": 0.3,
                    "negative": true
                },
                "value": 15569.1
            }
        ],
        "calculatedPerformanceScore": 1.0,//TOPSIS 算法计算出的该方案的“贴近度”分数，范围一般在 0~1 之间，越高表示越优。
        "rawData":{

        }
    }