Program g02bkfe
! G02BKF Example Program Text
! Mark 27.0 Release. NAG Copyright 2019.
! .. Use Statements ..
Use nag_library, Only: g02bkf, nag_wp
! .. Implicit None Statement ..
Implicit None
! .. Parameters ..
Integer, Parameter :: nin = 5, nout = 6
! .. Local Scalars ..
Integer :: i, ifail, ldrz, ldsspz, ldx, m, n, &
nvars
! .. Local Arrays ..
Real (Kind=nag_wp), Allocatable :: rz(:,:), sspz(:,:), std(:), x(:,:), &
xbar(:)
Integer, Allocatable :: kvar(:)
! .. Executable Statements ..
Write (nout,*) 'G02BKF Example Program Results'
Write (nout,*)
! Skip heading in data file
Read (nin,*)
! Read in the problem size
Read (nin,*) n, m, nvars
ldrz = nvars
ldsspz = nvars
ldx = n
Allocate (rz(ldrz,nvars),sspz(ldsspz,nvars),std(nvars),x(ldx,m), &
xbar(nvars),kvar(nvars))
! Read in data
Read (nin,*)(x(i,1:m),i=1,n)
! Read in column IDs
Read (nin,*) kvar(1:nvars)
! Display data
Write (nout,99999) 'Number of variables (columns) =', m
Write (nout,99999) 'Number of cases (rows) =', n
Write (nout,*)
Write (nout,*) 'Data matrix is:-'
Write (nout,*)
Write (nout,99998)(i,i=1,m)
Write (nout,99997)(i,x(i,1:m),i=1,n)
Write (nout,*)
! Calculate summary statistics
ifail = 0
Call g02bkf(n,m,x,ldx,nvars,kvar,xbar,std,sspz,ldsspz,rz,ldrz,ifail)
! Display results
Write (nout,*) 'Variable Mean St. dev.'
Write (nout,99995)(kvar(i),xbar(i),std(i),i=1,nvars)
Write (nout,*)
Write (nout,*) 'Sums of squares and cross-products about' // ' zero'
Write (nout,99998) kvar(1:nvars)
Write (nout,99996)(kvar(i),sspz(i,1:nvars),i=1,nvars)
Write (nout,*)
Write (nout,*) 'Correlation-like coefficients'
Write (nout,99998) kvar(1:nvars)
Write (nout,99996)(kvar(i),rz(i,1:nvars),i=1,nvars)
99999 Format (1X,A,I5)
99998 Format (1X,4I12)
99997 Format (1X,I3,4F12.4)
99996 Format (1X,I3,3F12.4)
99995 Format (1X,I5,2F11.4)
End Program g02bkfe