lidar {SemiPar}	R Documentation


    LIDAR data


      Description

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


      Usage

data(lidar)


      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

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

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