sample.csv

-0.2,-0.8
0.1,-0.8
0.5,-0.7
0.6,-0.6
-0.5,-0.5
0.3,-0.4
-0.6,-0.2
-0.35,-0.18
0.05,-0.2
-0.1,0.1
-0.6,0.2
0.05,0.4
-0.5,0.5
0.5,0.55
-0.1,0.7
0.2,0.8