Barplot demo
y_data
-1.00
4.25
9.50
14.75
20.00
-1.00
4.25
9.50
14.75
20.00
-100.00
-50.00
0.00
50.00
100.00
x_data
-100.00
-50.00
0.00
50.00
100.00
Bar Plot