SHOGUN
3.2.1
首页
相关页面
模块
类
文件
文件列表
文件成员
全部
类
命名空间
文件
函数
变量
类型定义
枚举
枚举值
友元
宏定义
组
页
src
shogun
evaluation
ClusteringAccuracy.cpp
浏览该文件的文档.
1
/*
2
* This program is free software; you can redistribute it and/or modify
3
* it under the terms of the GNU General Public License as published by
4
* the Free Software Foundation; either version 3 of the License, or
5
* (at your option) any later version.
6
*
7
* Written (W) 2012 Chiyuan Zhang
8
* Copyright (C) 2012 Chiyuan Zhang
9
*/
10
11
#include <
shogun/evaluation/ClusteringAccuracy.h
>
12
#include <
shogun/labels/MulticlassLabels.h
>
13
14
using namespace
shogun;
15
16
float64_t
CClusteringAccuracy::evaluate
(
CLabels
* predicted,
CLabels
* ground_truth)
17
{
18
ASSERT
(predicted && ground_truth)
19
ASSERT
(ground_truth->
get_label_type
() ==
LT_MULTICLASS
)
20
ASSERT
(predicted->
get_label_type
() ==
LT_MULTICLASS
)
21
SGVector<int32_t>
predicted_ilabels=((
CMulticlassLabels
*) predicted)->get_int_labels();
22
SGVector<int32_t>
groundtruth_ilabels=((
CMulticlassLabels
*) ground_truth)->get_int_labels();
23
int32_t correct=0;
24
for
(int32_t i=0; i < predicted_ilabels.vlen; ++i)
25
{
26
if
(predicted_ilabels[i] == groundtruth_ilabels[i])
27
correct++;
28
}
29
return
float64_t
(correct)/predicted_ilabels.vlen;
30
}
SHOGUN
机器学习工具包 - 项目文档