Program g07abfe ! G07ABF Example Program Text ! Mark 24 Release. NAG Copyright 2012. ! .. Use Statements .. Use nag_library, Only: g07abf, nag_wp ! .. Implicit None Statement .. Implicit None ! .. Parameters .. Integer, Parameter :: nin = 5, nout = 6 ! .. Local Scalars .. Real (Kind=nag_wp) :: clevel, sum, tl, tu, xmean Integer :: ifail, ifreq, n, num ! .. Intrinsic Procedures .. Intrinsic :: real ! .. Executable Statements .. Write (nout,*) 'G07ABF Example Program Results' Write (nout,*) ! Skip heading in data file Read (nin,*) ! Read in counts and frequencies sum = 0.0E0_nag_wp n = 0 d_lp: Do Read (nin,*,Iostat=ifail) num, ifreq If (ifail/=0) Then Exit d_lp End If ! Calculate sum sum = sum + real(num,kind=nag_wp)*real(ifreq,kind=nag_wp) n = n + ifreq End Do d_lp ! Estimate poission parameter xmean = sum/real(n,kind=nag_wp) Write (nout,99999) 'The point estimate of the Poisson parameter =', & xmean Write (nout,*) ! Calculate 95% confidence interval clevel = 0.95E0_nag_wp ifail = 0 Call g07abf(n,xmean,clevel,tl,tu,ifail) ! Display CI Write (nout,*) '95 percent Confidence Interval for the estimate' Write (nout,99998) '(', tl, ' ,', tu, ' )' Write (nout,*) ! Calculate 99% confidence intervale clevel = 0.99E0_nag_wp ifail = 0 Call g07abf(n,xmean,clevel,tl,tu,ifail) ! Display CI Write (nout,*) '99 percent Confidence Interval for the estimate' Write (nout,99998) '(', tl, ' ,', tu, ' )' 99999 Format (1X,A,F7.4) 99998 Format (6X,A,F7.4,A,F7.4,A) End Program g07abfe