diff --git a/script/KR84_test.py b/script/KR84_test.py
index 96a2842..daa0bf3 100644
--- a/script/KR84_test.py
+++ b/script/KR84_test.py
@@ -1,4 +1,4 @@
-class jitter_stat (object):
+class statistics_numbers (object):
  min   = 0.0
  mean  = 0.0
  max   = 0.0
@@ -6,10 +6,17 @@ class jitter_stat (object):
 
 
 
+def statistics_calc(data_in):
+    "calculates the min/max/mean/stdev of an array"
+    temp = statistics_numbers();
+    temp.mean  = mean (data_in)
+    temp.min   = min  (data_in)
+    temp.max   = max  (data_in)
+    temp.stdev = stdev(data_in)
+    
+
 ref_jit_amplt_mean = mean(scan_result.getReadable(0))
 
-ref_jit_amplt = jitter_stat();
-ref_jit_amplt.mean = mean(scan_result.getReadable(0)[0:29])
-ref_jit_amplt.min = min(scan_result.getReadable(0)[0:29])
-ref_jit_amplt.max = max(scan_result.getReadable(0)[0:29])
-ref_jit_amplt.stdev = stdev(scan_result.getReadable(0)[0:29])
\ No newline at end of file
+ref_jit_amplt2 = statistics_numbers();
+ref_jit_amplt2 = statistics_calc(scan_result.getReadable(0)[0:29])
+