lme4 (version 0.6-11)

Gasoline: Refinery yield of gasoline

Description

The Gasoline data frame has 32 rows and 6 columns.

Arguments

source

Prater, N. H. (1955), Estimate gasoline yields from crudes, Petroleum Refiner, 35 (5).

Atkinson, A. C. (1985), Plots, Transformations, and Regression, Oxford Press, New York.

Daniel, C. and Wood, F. S. (1980), Fitting Equations to Data, Wiley, New York

Venables, W. N. and Ripley, B. D. (1999) Modern Applied Statistics with S-PLUS (3rd ed), Springer, New York.

Details

Prater (1955) provides data on crude oil properties and gasoline yields. Atkinson (1985) uses these data to illustrate the use of diagnostics in multiple regression analysis. Three of the covariates---API, vapor, and ASTM---measure characteristics of the crude oil used to produce the gasoline. The other covariate --- endpoint---is a characteristic of the refining process. Daniel and Wood (1980) notice that the covariates characterizing the crude oil occur in only ten distinct groups and conclude that the data represent responses measured on ten different crude oil samples.

Examples

Run this code
data(Gasoline)

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