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Cement composition and heat data.

Usage

cement

Format

Data frame containing the following columns:

pc1

Percentage by weight of component 1

pc2

Percentage by weight of component 2

pc3

Percentage by weight of component 3

heat

Heat emitted in calories per gram of cement.

Source

Makridakis, Wheelwright and Hyndman (1998) Forecasting: methods and applications, John Wiley & Sons: New York. Exercise 6.4

Examples

plot(cement)