Investigators studied the exhaust emissions of a one cylinder engine (Brinkman 1981). The SAS data set Gas contains the results data. The dependent variable, NOx, measures the concentration, in ...
The following data set contains measurements in grams per square meter of sulfate (SO 4) deposits during 1990 at 179 sites throughout the 48 states. data SO4; input Latitude Longitude SO4 @@; ...