ｐ９９９ｒ - 経済統計練習帳

package ip;
import java.io.*;
 
public class pro {
 
  int s,datanumber;
  String[] data=new String[400000];
  int[] point=new int[70000];
  int[] seat=new int[70000];
  int[] rank=new int[2000];
  int[] v=new int[2000];
  int[] v1=new int[2000];
   int[] v2=new int[2000];
  String[] date=new String[70000];
   String[] dic=new String[7000];
   int number;
  int number_c; 
   int dicnumber=0;
 
    String[] subdata=new String[80000];
 
    public static void main(String[] args) {
        pro test=new pro();
    }
 
    pro(){
 
 
      readx("toho.csv");
        int sx=0;
         for(s=2;s<datanumber+1;s++){
        int h=0;
        String[] x=data[s].split(",");
        point[s]=numx(x[7]);
        seat[s]=numx(x[8]);
        date[s]=x[6];
 
        }
 
         int h;
 
 
         for(s=2;s<datanumber+1;s++){
h=0;
for(sx=1;sx<dicnumber+1;sx++){    
if(date[s].equals(dic[sx]))h=100;
}
if(h<50)dicnumber=dicnumber+1;
if(h<50)dic[dicnumber]=date[s];
}
 
 
 
 int sxs=0;
 
for(s=2;s<datanumber+1;s++){
sxs=0;
for(sx=1;sx<dicnumber+1;sx++){    
if(date[s].equals(dic[sx]))sxs=sx;
}
v[sxs]=v[sxs]+point[s];
} 
 
for(s=2;s<datanumber+1;s++){
sxs=0;
for(sx=1;sx<dicnumber+1;sx++){    
if(date[s].equals(dic[sx]))sxs=sx;
}
if(v1[sxs]<1)v1[sxs]=point[s];
} 
 
 
 
double[][] x=new double[10000][10];
     double[] sol=new double[10];
     double[] y=new double[10000];
 
     for(s=1;s<dicnumber+1;s++){
     x[s][1]=1;
     x[s][2]=v1[s];
     y[s]=v[s];
     }
 
 
  ols sub3=new ols();
      sub3.datanumber=dicnumber;
      sub3.number=2;
      sub3.x=x;
      sub3.y=y;
      sub3.makedata();
      sol=sub3.sol;
 
 
 for(s=1;s<dicnumber+1;s++){
      System.out.println(v1[s]);
    }
 
 
 
 
 
 
 
 
    }
 
    void ranking(){ 
 
int r,s,sx,h; 
int[] ch=new int[5000];
double maxu;
 
    for (r = 1; r < dicnumber + 1; r++) {
        sx = 0;
        maxu = -999999;
        for (s = 1; s < dicnumber + 1; s++) {
            h = 0;
            if (v[s] > maxu) h = h + 1;
            if (ch[s] < 50) h = h + 1;
            if (h == 2) maxu = v[s];
            if (h == 2) sx = s;
        }
        rank[r] = sx;
        ch[sx] = 100;
    }
 
 
}
 
 
     void writexml(String file){ 
 
    int s,sx;
 
try{ 
PrintWriter pw = new PrintWriter (new BufferedWriter(new FileWriter(file))); 
 
for(s=1;s<number_c+1;s++){  
pw.println(subdata[s]);
}
 
 
System.out.println("ファイルに書きこみました。"); 
pw.close(); 
} catch(IOException ep){ System.out.println("入出力エラーです。"); } 
 
 
} 
 
 
 
       int numx(String str){
 
    int nx;
 
    nx=0;
 
 try{
 
    nx=Integer.parseInt(str);
 
 }catch (Exception e) {}
 
 return nx;
 
 
 
}
 
 
     void readx(String file){
 
String str;
BufferedReader br;  
int s;
s=0;
try {
br = new BufferedReader(new InputStreamReader(new FileInputStream(file),"UTF-8"));  
while((str = br.readLine()) != null) {  
s=s+1;
data[s]=str;  
}
br.close();
} catch (IOException e) {System.out.println(e);}  
 
datanumber=s;
 
} 
 
 
 
 
}
 
 
 
 
package ip;
 
public class ols {
 
    int s,s1,s2;
    int datanumber,number;
    double x1;
    double[][] a=new double[100][100];
     double[] b=new double[100];
     double[] y=new double[1000];
    double[][] x=new double[1000][10];
     double[] sol=new double[100];
 
    void makedata(){
 
 
 
     for(s1=1;s1<number+1;s1++){
    for(s2=1;s2<number+1;s2++){   
     x1=0;   
    for(s=1;s<datanumber+1;s++){
    x1=x1+x[s][s1]*x[s][s2];
    }
    a[s1][s2]=x1;
    }
    }
 
 
 
    for(s1=1;s1<number+1;s1++){
    x1=0;   
    for(s=1;s<datanumber+1;s++){
    x1=x1+x[s][s1]*y[s];
    }
    b[s1]=x1;
    }
 
    double z;
 
   for(s1=1;s1<number+1;s1++){
   for(s2=1;s2<number+1;s2++){   
   z=a[s2][s1]/a[s1][s1];  
   if(s1==s2)z=0;
   for(s=1;s<number+1;s++){
   a[s2][s]=a[s2][s]-z*a[s1][s];
   } 
   b[s2]=b[s2]-z*b[s1];
   }
   }
 
   for(s1=1;s1<number+1;s1++){
   sol[s1]=b[s1]/a[s1][s1];
   }
 
 
 
 
 
    }
}