diff --git a/Data/test.csv b/Data/test.csv
index 74aa781..7c8d315 100644
--- a/Data/test.csv
+++ b/Data/test.csv
@@ -1,7 +1,7 @@
 name,column1,column2,column3
 abc,1.1,4.2,1.2
 def,2.1,1.4,5.2
-ghi,1.5,1.2,-2.1
-jkl,1.8,-1.1,4.2
+ghi,1.5,1.2,2.1
+jkl,1.8,1.1,4.2
 mno,9.4,6.6,6.2
 pqr,1.4,8.3,8.4
diff --git a/Data/test_marked.csv b/Data/test_marked.csv
index 69ef554..86dfd82 100644
--- a/Data/test_marked.csv
+++ b/Data/test_marked.csv
@@ -1,7 +1,7 @@
 name,column1,column2,column3
-abc,1.1*,4.2,1.2
+abc,1.1^,4.2,1.2^
 def,2.1,1.4,5.2
-ghi,1.5,1.2,-2.1*
-jkl,1.8,-1.1*,4.2
-mno,9.4,6.6,6.2
-pqr,1.4,8.3,8.4
+ghi,1.5,1.2,2.1
+jkl,1.8,1.1^,4.2
+mno,9.4*,6.6,6.2
+pqr,1.4,8.3*,8.4*
diff --git a/test.csv b/test.csv
deleted file mode 100644
index 7c8d315..0000000
--- a/test.csv
+++ /dev/null
@@ -1,7 +0,0 @@
-name,column1,column2,column3
-abc,1.1,4.2,1.2
-def,2.1,1.4,5.2
-ghi,1.5,1.2,2.1
-jkl,1.8,1.1,4.2
-mno,9.4,6.6,6.2
-pqr,1.4,8.3,8.4
diff --git a/test_marked.csv b/test_marked.csv
deleted file mode 100644
index 86dfd82..0000000
--- a/test_marked.csv
+++ /dev/null
@@ -1,7 +0,0 @@
-name,column1,column2,column3
-abc,1.1^,4.2,1.2^
-def,2.1,1.4,5.2
-ghi,1.5,1.2,2.1
-jkl,1.8,1.1^,4.2
-mno,9.4*,6.6,6.2
-pqr,1.4,8.3*,8.4*