locfit (version 19980714-2)

ethanol: Exhaust emissions

Description

NOx exhaust emissions from a single cylinder engine. Two predictor variables are E (the engine's equivalence ratio) and C (Compression ratio).

Usage

data(ethanol)

format

Data frame with NOx, E and C variables.

source

Brinkman (1981). Also studied extensively by Cleveland (1993).

References

Brinkman, N. D. (1981). Ethanol fuel - a single-cylinder engine study of efficiency and exhaust emissions. SAE transactions 90, 1414-1424. Cleveland, W. S. (1993). Visualizing data. Hobart Press, Summit, NJ.