Program g08aefe

!     G08AEF Example Program Text

!     Mark 30.1 Release. NAG Copyright 2024.

!     .. Use Statements ..
      Use nag_library, Only: g08aef, nag_wp, x04caf
!     .. Implicit None Statement ..
      Implicit None
!     .. Parameters ..
      Integer, Parameter               :: nin = 5, nout = 6
!     .. Local Scalars ..
      Real (Kind=nag_wp)               :: fr, p
      Integer                          :: i, ifail, k, ldx, n
!     .. Local Arrays ..
      Real (Kind=nag_wp), Allocatable  :: w1(:), w2(:), x(:,:)
!     .. Executable Statements ..
      Write (nout,*) 'G08AEF Example Program Results'
      Write (nout,*)

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

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

      ldx = k
      Allocate (x(ldx,n),w1(k),w2(k))

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

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

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

!     Perform ANOVA
      ifail = 0
      Call g08aef(x,ldx,k,n,w1,w2,fr,p,ifail)

!     Display results
      Write (nout,*)
      Write (nout,99999) 'Test statistic       ', fr
      Write (nout,99998) 'Degrees of freedom   ', k - 1
      Write (nout,99999) 'Significance         ', p

99999 Format (1X,A,F6.3)
99998 Format (1X,A,I6)
    End Program g08aefe