Index: /trunk/ppStats/src/ppStatsData.c
===================================================================
--- /trunk/ppStats/src/ppStatsData.c	(revision 13601)
+++ /trunk/ppStats/src/ppStatsData.c	(revision 13602)
@@ -19,4 +19,6 @@
     psFree(data->headers);
     psFree(data->concepts);
+    psFree(data->summary);
+
     psFree(data->stats);
 
@@ -39,4 +41,5 @@
     data->headers = psListAlloc(NULL);
     data->concepts = psListAlloc(NULL);
+    data->summary = psListAlloc(NULL);
     data->stats = psStatsAlloc(0);
     data->doStats = false;
Index: /trunk/ppStats/src/ppStatsData.h
===================================================================
--- /trunk/ppStats/src/ppStatsData.h	(revision 13601)
+++ /trunk/ppStats/src/ppStatsData.h	(revision 13602)
@@ -16,4 +16,5 @@
     psList *headers;                    // Headers to read
     psList *concepts;                   // Concepts to read
+    psList *summary;                    // Summary statistics to calculate
     // Options for input data
     float sample;                       // Fraction of cell to sample for statistics