{'field': 'year', 'type': 'temporal'}
{'field': 'miles', 'type': 'quantitative'}
{'field': 'gas', 'type': 'quantitative'}
{'field': 'side', 'type': 'nominal'}
Generate 14 vis, time last 0.135 s.
Cost:34.947
Cost:34.947
Cost:34.947
Cost:34.947
Cost:34.960
Cost:34.960
Cost:35.060
Cost:35.060
Cost:35.080
Cost:35.080
Cost:35.800
Cost:35.800
Cost:35.813
Cost:35.813