Airq: Air Quality for Californian Metropolitan Areas
In Ecdat: Data Sets for Econometrics
Airq R Documentation
Air Quality for Californian Metropolitan Areas
Description
a cross-section from 1972
number of observations : 30
observation : regional
country : United States
Usage
data(Airq)
Format
A dataframe containing :
- airq
indicator of air quality (the lower the better)
- vala
value added of companies (in thousands of dollars)
- rain
amount of rain (in inches)
- coas
is it a coastal area ?
- dens
population density (per square mile)
- medi
average income per head (in US dollars)
References
Verbeek, Marno (2004) A Guide to Modern Econometrics, John Wiley and Sons, chapter 4.
See Also
Index.Source, Index.Economics, Index.Econometrics, Index.Observations
Ecdat documentation built on Oct. 16, 2022, 1:08 a.m.
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| Airq | R Documentation |
Air Quality for Californian Metropolitan Areas
Description
a cross-section from 1972
number of observations : 30
observation : regional
country : United States
Usage
data(Airq)
Format
A dataframe containing :
- airq
indicator of air quality (the lower the better)
- vala
value added of companies (in thousands of dollars)
- rain
amount of rain (in inches)
- coas
is it a coastal area ?
- dens
population density (per square mile)
- medi
average income per head (in US dollars)
References
Verbeek, Marno (2004) A Guide to Modern Econometrics, John Wiley and Sons, chapter 4.
See Also
Index.Source, Index.Economics, Index.Econometrics, Index.Observations
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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