--- loncom/interface/statistics/lonproblemanalysis.pm	2004/10/29 15:52:32	1.98
+++ loncom/interface/statistics/lonproblemanalysis.pm	2004/10/29 16:10:30	1.99
@@ -1,6 +1,6 @@
 # The LearningOnline Network with CAPA
 #
-# $Id: lonproblemanalysis.pm,v 1.98 2004/10/29 15:52:32 matthew Exp $
+# $Id: lonproblemanalysis.pm,v 1.99 2004/10/29 16:10:30 matthew Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -631,14 +631,18 @@ sub RR_concept_plot {
 sub RR_create_percent_selected_plot {
     my ($concepts,$foils,$foil_data,$title) = @_;
     #
-    my %foil_selections;
-    my %true;
+    if ($foil_data->{'_count'} == 0) { return ''; };
+    my %correct_selections;
+    my %incorrect_selections;
     foreach my $foil (@$foils) {
         # foil_data has format $foil_data->{true_foil}->{selected foil}
         next if (! exists($foil_data->{$foil}));
-        $true{$foil}++;
         while (my ($f,$count)= each(%{$foil_data->{$foil}})) {
-            $foil_selections{$f}+=$count;
+            if ($f eq $foil) {
+                $correct_selections{$foil} += $count;
+            } else {
+                $incorrect_selections{$foil} += $count;
+            }
         }
     }
     # 
@@ -647,24 +651,18 @@ sub RR_create_percent_selected_plot {
     my @correct;
     my @incorrect;
     #
-    my $total =0;
+    my $total = $foil_data->{'_count'};
     for (my $i=0;$i<scalar(@$foils);$i++) {
         my $foil = $foils->[$i];
-        if ($true{$foil}) {
-            $correct[$i]   = $foil_selections{$foil};
-            $incorrect[$i] = 0;
-        } else {
-            $correct[$i]   = 0;
-            $incorrect[$i] = $foil_selections{$foil};
-        }
-        $total+=$foil_selections{$foil};
+        $correct[$i]   = $correct_selections{$foil};
+        $incorrect[$i] = $incorrect_selections{$foil};
     }
-    if ($total == 0) { return ''; };
     for (my $i=0;$i<=$#correct;$i++) { 
-        $correct[$i] = sprintf('%0f',$correct[$i]/$total*100);
+        &Apache::lonnet::logthis('correct['.$i.']='.$correct[$i]);
+        $correct[$i] = sprintf('%2f',$correct[$i]/$total*100);
     }
     for (my $i=0;$i<=$#incorrect;$i++) {
-        $incorrect[$i] = sprintf('%0f',$incorrect[$i]/$total*100);
+        $incorrect[$i] = sprintf('%2f',$incorrect[$i]/$total*100);
     }
     #
     # Put a blank in the data sets between concepts, if there are concepts