Program g08alfe

!     G08ALF Example Program Text

!     Mark 27.3 Release. NAG Copyright 2021.

!     .. Use Statements ..
      Use nag_library, Only: g08alf, nag_wp, x04caf
!     .. Implicit None Statement ..
      Implicit None
!     .. Parameters ..
      Integer, Parameter               :: nin = 5, nout = 6
!     .. Local Scalars ..
      Real (Kind=nag_wp)               :: df, prob, q
      Integer                          :: i, ifail, k, ldx, n
!     .. Local Arrays ..
      Real (Kind=nag_wp), Allocatable  :: x(:,:)
!     .. Intrinsic Procedures ..
      Intrinsic                        :: real
!     .. Executable Statements ..
      Write (nout,*) 'G08ALF Example Program Results'
      Write (nout,*)

!     Skip heading in data file
      Read (nin,*)

!     Read in the problem size
      Read (nin,*) n, k

      ldx = n
      Allocate (x(ldx,k))

!     Read in the data
      Read (nin,*)(x(i,1:k),i=1,n)

!     Display title
      Write (nout,*) 'Cochrans Q test'
      Write (nout,*)
      Flush (nout)

!     Display the input data
      ifail = 0
      Call x04caf('General',' ',n,k,x,ldx,'Data matrix',ifail)

!     Perform test
      ifail = 0
      Call g08alf(n,k,x,ldx,q,prob,ifail)

!     Display results
      df = real(k-1,kind=nag_wp)
      Write (nout,*)
      Write (nout,99999) 'Cochrans Q test statistic = ', q
      Write (nout,99998) 'Degrees of freedom = ', df
      Write (nout,99999) 'Upper-tail probability = ', prob

99999 Format (1X,A,F12.4)
99998 Format (1X,A,F6.1)
    End Program g08alfe