diff --git a/script/KR84_test.py b/script/KR84_test.py
new file mode 100644
index 0000000..96a2842
--- /dev/null
+++ b/script/KR84_test.py
@@ -0,0 +1,15 @@
+class jitter_stat (object):
+ min   = 0.0
+ mean  = 0.0
+ max   = 0.0
+ sigma = 0.0
+
+
+
+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