#include<iostream>
#include<math.h>
using namespace std;
typedef struct valuearry
{
double value;
struct valuearry *nextvalue;
}Value;
double summation(Value *h)
{
Value *p;
p=h;
double s=0;
while(p!=NULL)
{
s+=p->value;
p=p->nextvalue;
}
return s;
}
double average(Value *h)
{
Value *p=h;
double s=0;
int number=0;
while(p!=NULL)
{
s+=p->value;
number++;
p=p->nextvalue;
}
return (s/number);
}
int count(Value *h)
{
Value *p=h;
int n=0;
while(p!=NULL)
{
n++;
p=p->nextvalue;
}
return n;
}
double variation(Value *h)
{
Value *p=h;
double s=0,ss=0;
int n=0;
while(p!=NULL)
{
s+=p->value;
ss+=(p->value)*(p->value);
n++;
p=p->nextvalue;
}
return (ss-s*s/n);
}
double coefvar(Value *h)
{
double stdev,mean;
stdev=variation(h);
stdev/=count(h)-1;
mean=average(h);
return (sqrt(stdev)/mean);
}
double maxvalue(Value *h)
{
Value *p=h;
double max;
max=h->value;
while(h!=NULL)
{
if(h->value>max)
max=h->value;
h=h->nextvalue;
}
return max;
}
double minvalue(Value *h)
{
Value *p=h;
double min;
min=h->value;
while(h!=NULL)
{
if(h->value<min)
min=h->value;
h=h->nextvalue;
}
return min;
}
double parvar(Value *h1,Value *h2)
{
double sp=0,s1=0,s2=0;
Value *p1=h1,*p2=h2;
int n=0;
while(p1!=NULL)
{
sp+=(p1->value)*(p2->value);
s1+=p1->value;
s2+=p2->value;
n++;
p1=p1->nextvalue;
p2=p2->nextvalue;
}
sp-=s1*s2/n;
return sp;
}
class Data
{
public:
Data(){}
Data(string st)
{
name=st;
head=createvalue();
sum=summation(head);
mean=average(head);
number=count(head);
var=variation(head)/(number-1);
cv=coefvar(head);
max=maxvalue(head);
min=minvalue(head);
}
string name;
Value *head;
double sum,mean,var,cv,max,min;
int number;
Data *nextdata;
Value *createvalue()
{
Value *h=NULL,*p=NULL,*q=NULL;
string st;
while(1)
{
p=new Value;
cin>>p->value;
if(h==NULL)
h=p;
else
q->nextvalue=p;
q=p;
cin>>st;
if(st==”end”)
break;
}
if(q!=NULL)
q->nextvalue=NULL;
return h;
}
virtual void show()
{
Value *p;
p=head;
cout<<name<<“:”<<endl;
while(p!=NULL)
{
cout<<‘t'<<p->value;
p=p->nextvalue;
}
cout<<endl;
}
};
Data *createdata()
{
Data *h=NULL,*p=NULL,*q=NULL;
string st;
while(1)
{
cin>>st;
if(st==”end”) break;
else
{
p=new Data(st);
if(h==NULL)
h=p;
else
q->nextdata=p;
q=p;
}
}
if(q!=NULL)
q->nextdata=NULL;
return h;
}
void sortdata(Data *head)
{
Data *p,*q;
Data temp;
p=q=head;
while(p->nextdata!=NULL)
{
q=p->nextdata;
while(q!=NULL)
{
if((p->mean)>(q->mean))
{
temp.name=p->name;
temp.head=p->head;
temp.sum=p->sum;
temp.mean=p->mean;
temp.number=p->number;
temp.nextdata=NULL;
p->name=q->name;
p->head=q->head;
p->sum=q->sum;
p->mean=q->mean;
p->number=q->number;
q->name=temp.name;
q->head=temp.head;
q->sum=temp.sum;
q->mean=temp.mean;
q->number=temp.number;
}
q=q->nextdata;
}
p=p->nextdata;
}
}
class Mean:public Data
{
public:
Data *head,*p,*q;
Mean()
{
head=createdata();
p=q=head;
}
virtual void show()
{
cout<<“t”<<“Sum”<<“t”<<“Mean”<<“t”<<“Max”<<“t”<<“Min”<<“t”<<“Std Dev”<<endl;
while(head!=NULL)
{
cout<<head->name<<“t”<<head->sum<<“t”<<head->mean<<“t”<<head->max<<“t”<<head->min<<“t”<<sqrt(head->var)<<endl;
head=head->nextdata;
}
cout<<endl;
}
};
class MeanA:public Data
{
public:
Data *head,*p,*q;
MeanA()
{
head=createdata();
p=q=head;
}
virtual void show()
{
cout<<“t”<<“Sum”<<“t”<<“N”<<“t”<<“Mean”<<“t”<<“Max”<<“t”<<“Min”<<“t”<<“Std Dev”<<“t”<<“Coef of Var”<<endl;
while(head!=NULL)
{
cout<<head->name<<“t”<<head->sum<<“t”<<head->number<<“t”<<head->mean<<“t”<<head->max<<“t”<<head->min<<“t”<<sqrt(head->var)<<“t”<<head->cv<<endl;
head=head->nextdata;
}
cout<<endl;
}
};
class Sort:public Data
{
public:
Data *head;
Sort()
{
head=createdata();
}
virtual void show()
{
sortdata(head);
int i=1;
cout<<“No.”<<“t”<<“Name”<<“t”<<“Sum”<<“t”<<“N”<<“t”<<“Mean”<<endl;
while(head!=NULL)
{
cout<<i<<“:”<<“t”<<head->name<<“t”<<head->sum<<“t”<<head->number<<“t”<<head->mean<<endl;
head=head->nextdata;
i++;
}
}
};
class Reglation:public Data
{
public:
Data *p1,*p2;
double reg1,reg2,r;
string name1,name2;
Reglation()
{
cin>>name1;
p1=new Data(name1);
cin>>name2;
p2=new Data(name2);
reg1=parvar(p1->head,p2->head)/variation(p1->head);
reg2=average(p2->head)-average(p1->head)*reg1;
r=parvar(p1->head,p2->head)/sqrt((variation(p1->head)*variation(p2->head)));
}
virtual void show()
{
cout<<p2->name<<“=”<<reg1<<p1->name<<“+”<<reg2<<endl;
cout<<“R-square:”<<r<<endl;
}
};
class Correlate:public Data
{
public:
double corr;
Data *head;
Correlate()
{
head=createdata();
}
virtual void show()
{
Data *p,*q;
p=q=head;
while(p!=NULL)
{
cout<<“t”<<p->name;
p=p->nextdata;
}
cout<<endl;
p=q=head;
while(p!=NULL)
{
q=p;
cout<<q->name;
while(q!=NULL)
{
corr=parvar(p->head,q->head)/(sqrt((variation(p->head))*(variation(q->head))));
cout<<“t”<<corr;
q=q->nextdata;
}
p=p->nextdata;
cout<<endl;
}
}
};
int main()
{
Data *head;
string command;
cout<<“_____________________________________________________________________________”<<endl;
cout<<“| |”<<endl;
cout<<“| |”<<endl;
cout<<“| 欢迎使用本STATISTIC软件 |”<<endl;
cout<<“| 制作人：曹堃 |”<<endl;
cout<<“| 如需帮助请按下help命令 |”<<endl;
cout<<“| 版本 ：2012-3.0 |”<<endl;
cout<<“| 编写语言：C++ |”<<endl;
cout<<“| 版权和最终解释权归本人所有 |”<<endl;
cout<<“| |”<<endl;
cout<<“|___________________________________________________________________________|”<<endl;
while(1)
{
cout<<“START”<<“:”<<“\”<<“>”;
cin>>command;
if(command==”end”) break;
else if(command==”help”)
{
cout<<“Means Proceduce press ‘mean’ command”<<endl;
cout<<“To see All Mean Result press ‘mean,all’ command”<<endl;
cout<<“Sort Class with Mean press ‘sort’ command”<<endl;
cout<<“Reg press ‘reg’ command”<<endl;
cout<<“Corr press ‘corr’ command”<<endl;
}
else if(command==”mean”)
{
head=new Mean;
head->show();
delete head;
}
else if(command==”mean,all”)
{
head=new MeanA;
head->show();
delete head;
}
else if(command==”sort”)
{
head=new Sort;
head->show();
delete head;
}
else if(command==”reg”)
{
head=new Reglation;
head->show();
delete head;
}
else if(command==”corr”)
{
head=new Correlate;
head->show();
delete head;
}
else
cout<<“Not Such a Command”<<endl;
}
}
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