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-rw-r--r--src/rejection.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/src/rejection.c b/src/rejection.c
index 371216a9..7b78803e 100644
--- a/src/rejection.c
+++ b/src/rejection.c
@@ -209,10 +209,18 @@ static void check_deltacchalf(Crystal **crystals, int n, RefList *full)
double cchalf;
int i;
int nref;
+ double *vals;
+ double mean, sd;
cchalf = calculate_cchalf(full, full, NULL, &nref);
STATUS("Overall CChalf = %f (%i reflections)\n", cchalf*100.0, nref);
+ vals = malloc(n*sizeof(double));
+ if ( vals == NULL ) {
+ ERROR("Not enough memory for deltaCChalf check\n");
+ return;
+ }
+
for ( i=0; i<n; i++ ) {
double cchalf, cchalfi;
RefList *template = crystal_get_reflections(crystals[i]);
@@ -223,7 +231,20 @@ static void check_deltacchalf(Crystal **crystals, int n, RefList *full)
STATUS("Without = %f", cchalfi*100.0);
STATUS(" Delta = %f ", (cchalf - cchalfi)*100.0);
STATUS("(nref = %i)\n", nref);
+ vals[i] = cchalf - cchalfi;
+ }
+
+ mean = gsl_stats_mean(vals, 1, n);
+ sd = gsl_stats_sd_m(vals, 1, n, mean);
+ STATUS("deltaCChalf = %f ± %f %%\n", mean*100.0, sd*100.0);
+
+ for ( i=0; i<n; i++ ) {
+ if ( vals[i] < mean-2.0*sd ) {
+ crystal_set_user_flag(crystals[i], PRFLAG_DELTACCHALF);
+ }
}
+
+ free(vals);
}