-
大小: 4.81MB文件類型: .zip金幣: 2下載: 0 次發(fā)布日期: 2023-11-15
- 語言: C/C++
- 標(biāo)簽: libsvm??VS2012??VisualStudio??
資源簡介
博文以圖文并茂的方式 細(xì)致講解了如何在Visual Studio(VS2012 & VS2010 使用 libsvm (libsvm 3 18)工具箱的過程 目前互聯(lián)網(wǎng)搜索數(shù)據(jù)libsvm工具箱在 VS 中以C++工程呈現(xiàn)的講解非常稀少而且對初學(xué)者有一定的難度 所以在筆者完成工作后寫了這篇小記或稱為簡單教程 呈現(xiàn)給大家
此文件是與教程配套的 cpp 文件
參考博文請移步:http: blog csdn net u014691453 article details 40393137">博文以圖文并茂的方式 細(xì)致講解了如何在Visual Studio(VS2012 & VS2010 使用 libsvm (libsvm 3 18)工具箱的過程 目前互聯(lián)網(wǎng)搜索數(shù)據(jù)libsvm工具箱在 VS 中以C++工程呈現(xiàn)的講解非常稀少而且對初學(xué)者有一定的難度 所以在筆者完成工 [更多]

代碼片段和文件信息
#include?
#include?
#include?
#include?
#include?
#include?
#include?“svm.h“
using?namespace?std;
#define?XLEN?10??//生產(chǎn)測試數(shù)據(jù)
#define?YLEN?10
ofstream?outdata;
ifstream?indata;
ofstream?outdata_lable;
ifstream?indata_lable;
int?NUM?=?1440;
//char?default_param[]?=?“-t?2?-c?100“;
char?default_param[]?=?“-t?2?-c?4?-g?32“;
struct?point?{
double?*feature;
//signed?char?value;
int?value;
};
list?point_list;
int?current_value?=?1;
void?clear_all()
{
point_list.clear();
}
void?readFile2(char?*filechar?*file_lable)
{
indata.open(fileios::in);
indata_lable.open(file_lableios::in);
cout?<<“read?test?data?begin“< clear_all();
while(!indata.eof())
{
double?*line?=?new?double[NUM];
for(int?i?=0;i {
indata?>>?line[i];
}
point?p;
indata_lable?>>p.value;
p.feature?=?line;
point_list.push_back(p);
}
point_list.pop_back();
cout?<<“read?test?data?end?size?=?“< indata.close();
indata_lable.close();
}
void?testData()
{
cout?<<“?test?data?begin“<
svm_model?*model?=?svm_load_model(“modle.txt“);
svm_node?*x_space?=?new?svm_node[NUM+1];
double?d;
int?i;
int?k?=0;
for?(list::iterator?q?=?point_list.begin();?q?!=?point_list.end();?q++)
{
for(i?=0?;i {
x_space[i].index?=?i+1;
x_space[i].value?=?q->feature[i];
}
x_space[NUM].index?=?-1;
d?=?svm_predict(model?x_space);
if(d?==?q->value)
cout?<<“right?=?“< else
{
cout<<“error“<<“???“< k++;
}
}
cout?<“error?times?=?“< cout?<<“read?test?data?end“< delete?[]?x_space;
}
//1440
void?readFile1(char?*filechar?*file_lable)
{
indata.open(fileios::in);
indata_lable.open(file_lableios::in);
cout?<<“read?data?begin“<
clear_all();
while(!indata.eof())
{
double?*line?=?new?double[NUM];
for(int?i?=0;i {
indata?>>?line[i];
}
point?p;
indata_lable?>>p.value;
p.feature?=?line;
point_list.push_back(p);
}
point_list.pop_back();
indata.close();
indata_lable.close();
cout?<<“read?data?end“< }
/*void?readFile(?char?*?file)
{
//char?filename[1024];
FILE?*fp?=?fopen(file“r“);
if(fp)
{
clear_all();
char?buf[4096];
while(fgets(bufsizeof(buf)fp))
{
int?v;
double?xy;
if(sscanf(buf“%d%*d:%lf%*d:%lf“&v&x&y)==3)
{
point?p?=?{xyv};
point_list.push_back(p);
}
else?if(sscanf(buf“%lf%*d:%lf“&y&x)==2)
{
point?p?=?{xycurrent_value};
point_list.push_back(p);
}
else
break;
}
fclose(fp);
}
else
{
printf(“can‘t?find?file“);
}
}*/
void?run()
{
if(point_list.empty())?return;
svm_parameter?param;
int?ij;
//?default?values
param.svm_type?=?C_SVC;
param.kernel_type?=?RBF;
param.deg
?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????文件??????103695??2014-10-23?15:28??1.txt
?????文件???????12960??2014-10-22?15:33??11.txt
?????文件???????????1??2014-10-22?15:33??11_label.txt
?????文件??????????22??2014-10-22?20:04??1_label.txt
?????文件????????9454??2014-10-23?10:29??LibSVMtest.cpp
?????文件???????28436??2014-04-01?06:57??README
?????文件????45280707??2014-10-23?15:26??modle.txt
?????文件????????5536??2014-04-01?06:57??svm-predict.c
?????文件????????8504??2014-04-01?06:57??svm-scale.c
?????文件????????8978??2014-04-01?06:57??svm-train.c
?????文件???????64702??2014-04-01?06:57??svm.cpp
?????文件?????????477??2014-04-01?06:57??svm.def
?????文件????????3382??2014-04-01?06:57??svm.h
評論
共有 條評論