/* nag_regsn_std_resid_influence (g02fac) Example Program. * * Copyright 1990 Numerical Algorithms Group. * * Mark 1, 1990. * Mark 8 revised, 2004. */ #include #include #include #include #define SRES(I, J) sres[(I) *tdsres + J] int main(void) { Integer exit_status = 0, i, ip, j, n, nres, tdsres; double *h = 0, *res = 0, rms, *sres = 0; NagError fail; INIT_FAIL(fail); printf( "nag_regsn_std_resid_influence (g02fac) Example Program Results\n"); /* Skip heading in data file */ scanf("%*[^\n]"); scanf("%ld %ld %ld %lf", &n, &ip, &nres, &rms); if (nres <= n && n > ip+1) { if (!(h = NAG_ALLOC(n, double)) || !(res = NAG_ALLOC(n, double)) || !(sres = NAG_ALLOC(n*4, double))) { printf("Allocation failure\n"); exit_status = -1; goto END; } tdsres = 4; } else { printf("Invalid nres or n or ip.\n"); exit_status = 1; return exit_status; } for (i = 0; i < n; i++) scanf("%lf%lf", &res[i], &h[i]); /* nag_regsn_std_resid_influence (g02fac). * Calculates standardized residuals and influence * statistics */ nag_regsn_std_resid_influence(n, ip, nres, res, h, rms, sres, &fail); if (fail.code != NE_NOERROR) { printf( "Error from nag_regsn_std_resid_influence (g02fac).\n%s\n", fail.message); exit_status = 1; goto END; } printf("\n"); printf(" Internally Externally\n"); printf( " Obs. studentized studentized Cook's D Atkinson's T\n"); printf(" residuals residuals\n\n"); for (i = 0; i < nres; i++) { printf("%2ld", i+1); for (j = 0; j < 4; j++) printf("%14.3f", SRES(i, j)); printf("\n"); } END: if (h) NAG_FREE(h); if (res) NAG_FREE(res); if (sres) NAG_FREE(sres); return exit_status; }