AER (version 0.2-2)

USCrudes: US Crudes Data

Description

Cross-section data originating from 99 US oil field postings.

Usage

data("USCrudes")

source

The data is from Baltagi (2002) and available at http://www.springeronline.com/sgw/cda/frontpage/0,10735,4-165-2-107420-0,00.html

References

Baltagi, B.H. (2002). Econometrics, 3rd ed. Berlin, Springer.

See Also

Baltagi2002

Examples

data("USCrudes")
plot(price ~ gravity, data = USCrudes)
plot(price ~ sulphur, data = USCrudes)
fm <- lm(price ~ sulphur + gravity, data = USCrudes)

## 3D Visualization
if(require("scatterplot3d")) {
  s3d <- scatterplot3d(USCrudes[, 3:1], pch = 16)
  s3d$plane3d(fm, lty.box = "solid", col = 4)
}