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Brownlee?s stack loss data. The stackloss data frame has 21 rows and 4 columns.
stackloss
data(stackloss)
This data frame contains the following columns:
Air flow
Cooling water inlet temperature
Acid concentration
Stack loss
Atkinson, A.C. and Riani, M. (2000), Robust Diagnostic Regression Analysis, First Edition. New York: Springer, Table A.5