# R/is.unif.R In DnE: Distribution and Equation

#### Documented in is.unif

```is.unif <-
function(x,m,a=10,sita1=NULL,sita2=NULL)
{
p=rep(0,m);
y=rep(0,m);
q=0;
x1=mean(x);sum=0;
for(i in 1:length(x))
{
sum=sum+x[i]^2;
}
x2=sum/length(x);
if (3*x2-3*x1^2>=0)
{
if(is.null(sita1)&&is.null(sita2))
{
sita1=x1-sqrt(3*x2-3*x1^2);
sita2=x1+sqrt(3*x2-3*x1^2);
df=m-2;
}
else if(is.null(sita1))
{
sita1=x1-sqrt(3*x2-3*x1^2);
df=m-1;
}
else if(is.null(sita2))
{
sita2=x1+sqrt(3*x2-3*x1^2);
df=m-1;
}
else
{
df=m;
}
di=max(x)-min(x);
for(i in 1:m)
{
p[i]=punif(min(x)+di*i/m,min=sita1,max=sita2)-punif(min(x)+di*(i-1)/m,min=sita1,max=sita2);
if(p[i]==0)
{
break;
}
for(j in 1:length(x))
if(x[j]>(min(x)+di*(i-1)/m) && x[j]<=(min(x)+di*i/m))
y[i]=y[i]+1;
q=q+(y[i]-(length(x)*p[i]))^2/(length(x)*p[i]);
}
p[m+1]=punif(Inf,sita1,sita2);
q=q+length(x)*p[m+1];
q0=qchisq(1-a,df);
pvalue=pchisq(q,df);
if(q<=q0)
{
return(data.frame("qchisq"=q,"pvalue"=pvalue));
}
else
{
return(data.frame("state"=-1,"pvalue"=1));
}
}
else
{
return(data.frame("state"=-1,"pvalue"=1));
}
}
```

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DnE documentation built on May 2, 2019, 4:03 p.m.