Program g08ecfe
! G08ECF Example Program Text
! Mark 29.1 Release. NAG Copyright 2023.
! .. Use Statements ..
Use nag_library, Only: g08ecf, nag_wp, x04eaf
! .. Implicit None Statement ..
Implicit None
! .. Parameters ..
Integer, Parameter :: nin = 5, nout = 6
! .. Local Scalars ..
Real (Kind=nag_wp) :: chi, df, ex, prob
Integer :: i, ifail, ldc, msize, n, nsamp, pn
Logical :: bapp
Character (1) :: cl
Character (80) :: title
! .. Local Arrays ..
Real (Kind=nag_wp), Allocatable :: x(:)
Integer, Allocatable :: ncount(:,:,:)
! .. Executable Statements ..
Write (nout,*) 'G08ECF Example Program Results'
Write (nout,*)
! Skip main heading in data file
Read (nin,*)
! Read in number of samples
Read (nin,*) nsamp, msize
ldc = msize
Allocate (ncount(ldc,ldc,msize),x(1))
If (nsamp==1) Then
cl = 'S'
Else
cl = 'F'
End If
pn = 0
bapp = .False.
Do i = 1, nsamp
! Skip run heading in data file
Read (nin,*)
! Read in sample size
Read (nin,*) n
If (n>pn) Then
! Reallocate X if required
Deallocate (x)
Allocate (x(n))
pn = n
End If
! Read in the sample
Read (nin,*) x(1:n)
! Process the sample
ifail = -1
Call g08ecf(cl,n,x,msize,ncount,ldc,ex,chi,df,prob,ifail)
If (ifail==7) Then
bapp = .True.
Else If (ifail/=0) Then
Go To 100
End If
! Adjust CL for intermediate calls
If (i<nsamp-1) Then
cl = 'I'
Else
cl = 'L'
End If
End Do
! Display results
Write (nout,*) 'Count matrix'
Do i = 1, msize
Write (nout,*)
Write (title,99999) 'I = ', i
Flush (nout)
ifail = 0
Call x04eaf('General',' ',msize,msize,ncount(1,1,i),ldc,title,ifail)
End Do
Write (nout,*)
Write (nout,99998) 'Expected value = ', ex
Write (nout,99997) 'CHISQ = ', chi
Write (nout,99998) 'DF = ', df
Write (nout,99997) 'Prob = ', prob
If (bapp) Then
Write (nout,*) ' ** Note : expected value <= 5.0'
Write (nout,*) &
' the chi square approximation may not be very good.'
End If
100 Continue
99999 Format (1X,A,I2)
99998 Format (1X,A,F8.2)
99997 Format (1X,A,F10.4)
End Program g08ecfe