LIDAR data

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Description

The lidar data frame has 221 observations from a light detection and ranging (LIDAR) experiment.

Usage

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Format

This data frame contains the following columns:

range

distance travelled before the light is reflected back to its source.

logratio

logarithm of the ratio of received light from two laser sources.

Source

Sigrist, M. (Ed.) (1994). Air Monitoring by Spectroscopic Techniques (Chemical Analysis Series, vol. 197). New York: Wiley.

References

Ruppert, D., Wand, M.P. and Carroll, R.J. (2003)
Semiparametric Regression Cambridge University Press.
http://stat.tamu.edu/~carroll/semiregbook/

Examples

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library(SemiPar)
data(lidar)
attach(lidar)
plot(range,logratio)