tests/fixtures/regression.csv

area,bedrooms,age,price
600,1,30,145000
750,2,25,178000
900,2,20,214000
1050,3,18,252000
1200,3,15,291000
1350,3,12,325000
1500,4,10,368000
1700,4,8,419000
1900,4,5,472000
2200,5,3,548000