Prices of Crude Oil, Natural Gas, Bituminous Coal and Lignite, and Anthracite by Year.

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Description

The E7.2 data frame has 32 rows and 5 columns. Prices are in 1972 cents (U.S) by 1000 BTU.

Usage

1

Format

This data frame contains the following columns:

year

a numeric vector, year of observation.

Oil

a numeric vector, price of oil.

Gas

a numeric vector, price of Gas.

Bit.

a numeric vector, price of Bituminous Coal and Lignite.

Anth.

a numeric vector, price of Anthracite.

Source

Darrel Sala, Institute of Gas Technology, Chicago.

Examples

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