exer2 = {
return vl.markPoint()
.data(cars)
.encode(
vl.x().fieldQ('Weight_in_lbs').title('Weight (lbs)'),
vl.y().fieldQ('Horsepower').title('Horsepower (hp)'),
vl.column().fieldN('Origin'),
vl.color().fieldN('Origin'),
)
.width(width/3.5)
.title('Horsepower (hp) per Weight (lbs)')
.render()
}