Description Usage Format Source References Examples
The data are a subsample of 500 observations from a data set that originates in a study where air pollution at a road is related to traffic volume and meteorological variables, collected by the Norwegian Public Roads Administration. The response variable consists of hourly values of the logarithm of the concentration of PM10 (particles), measured at Alnabru in Oslo, Norway, between October 2001 and August 2003. (Source: Statlib)
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A data frame with 500 observations on the following 8 variables.
PM10
Hourly values of the logarithm of the concentration of PM10 (particles)
cars
The logarithm of the number of cars per hour
temp
Temperature 2 meters above ground (degree C)
wind.speed
Wind speed (meters/second)
temp.diff
The temperature difference between 25 and 2 meters above ground (degree C)
wind.dir
Wind direction (degrees between 0 and 360)
hour
Hour of day
day
Day number from October 1. 2001
http://lib.stat.cmu.edu/, dataset PM10, submitted by Magne Aldrin on July 28, 2004
Aldrin, M. (2006) Improved predictions penalizing both slope and curvature in additive models, Computational Statistics & Data Analysis, 50, pp 267–284
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Loading required package: truncreg
Loading required package: maxLik
Loading required package: miscTools
Please cite the 'maxLik' package as:
Henningsen, Arne and Toomet, Ott (2011). maxLik: A package for maximum likelihood estimation in R. Computational Statistics 26(3), 443-458. DOI 10.1007/s00180-010-0217-1.
If you have questions, suggestions, or comments regarding the 'maxLik' package, please use a forum or 'tracker' at maxLik's R-Forge site:
https://r-forge.r-project.org/projects/maxlik/
Loading required package: boot
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