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The gss Package - NexTag Supports Open Source Initiatives

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26 ozone<br />

nox<br />

NOx in Engine Exhaust<br />

Description<br />

Usage<br />

Format<br />

Data from an experiment in which a single-cylinder engine was run with ethanol to see how the<br />

NOx concentration in the exhaust depended on the compression ratio and the equivalence ratio.<br />

data(nox)<br />

A data frame containing 88 observations on the following variables.<br />

nox<br />

comp<br />

equi<br />

NOx concentration in exhaust.<br />

Compression ratio.<br />

Equivalence ratio.<br />

<strong>Source</strong><br />

Brinkman, N. D. (1981), Ethanol fuel – a single-cylinder engine study of efficiency and exhaust<br />

emissions. SAE Transactions, 90, 1410–1424.<br />

References<br />

Cleveland, W. S. and Devlin, S. J. (1988), Locally weighted regression: An approach to regression<br />

analysis by local fitting. Journal of the American Statistical Association, 83, 596–610.<br />

Breiman, L. (1991), <strong>The</strong> pi method for estimating multivariate functions from noisy data. Technometrics,<br />

33, 125–160.<br />

ozone<br />

Ozone Concentration in Los Angeles Basin<br />

Description<br />

Daily measurements of ozone concentration and eight meteorological quantities in the Los Angeles<br />

basin for 330 days of 1976.<br />

Usage<br />

data(ozone)

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