X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fvar.h;h=a698045d63e4065e6a5532950dd9f721cab94228;hb=7b98b3a4f58f6dc5a8e9cbc188b627966d5e652d;hp=cc384153b7c28fb469e5de121515fa77e401ebad;hpb=3a7fba81ceae5b049d0f7d671e9e3c3c43bbf703;p=pspp

diff --git a/src/var.h b/src/var.h
index cc384153b7..a698045d63 100644
--- a/src/var.h
+++ b/src/var.h
@@ -128,6 +128,37 @@ struct crosstab_proc
     int count;			/* max - min. */
   };
 
+
+/* T-TEST private data */
+struct t_test_proc
+  {
+    double mean;
+
+    /* Population std. deviation */
+    double std_dev;
+
+    /* Sample std. deviation */
+    double s_std_dev;
+    
+    /* count */
+    double n;
+
+    double sum;
+
+    /* Sum of squares */
+    double ssq;
+
+    /* Std Err of Mean */
+    double se_mean;
+
+    /* Sum of differnces */
+    double sum_diff;
+
+    /* Mean of differences */
+    double mean_diff ;
+  };
+
+
 /* FREQUENCIES private data. */
 enum
   {
@@ -312,6 +343,7 @@ struct variable
 	struct sort_cases_proc srt;
 	struct matrix_data_proc mxd;
 	struct match_files_proc mtf;
+	struct t_test_proc t_t;
       }
     p;
   };