# R Dataset / Package Ecdat / Metal

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## Visual Summaries

Embed
<iframe src="https://embed.picostat.com/r-dataset-package-ecdat-metal.html" frameBorder="0" width="100%" height="307px" />
Attachment Size
617 bytes
Dataset Help

On this Picostat.com statistics page, you will find information about the Metal data set which pertains to Production for SIC 33 . The Metal data set is found in the Ecdat R package. You can load the Metal data set in R by issuing the following command at the console data("Metal"). This will load the data into a variable called Metal. If R says the Metal data set is not found, you can try installing the package by issuing this command install.packages("Ecdat") and then attempt to reload the data. If you need to download R, you can go to the R project website. You can download a CSV (comma separated values) version of the Metal R data set. The size of this file is about 617 bytes.

Documentation

## Production for SIC 33

### Description

a cross-section

number of observations : 27

observation : regional

country : United States

### Usage

data(Metal)

### Format

A dataframe containing :

va

output

labor

labor input

capital

capital input

### Source

Aigner, D., K. Lovell and P. Schmidt (1977) “Formulation and estimation of stochastic frontier production models”, Journal of Econometrics, 6, 21-37.

Hildebrand, G. and T. Liu (1957) Manufacturing production functions in the United States, Ithaca, N.Y.: Cornell University Press.

### References

Greene, W.H. (2003) Econometric Analysis, Prentice Hall, http://www.prenhall.com/greene/greene1.html, Table F6.1.

Index.Source, Index.Economics, Index.Econometrics, Index.Observations
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