pcd

0th

Percentile

Portland Cement Dataset

These data come from an experiment investigation of the heat evolved during the setting and hardening of Portland cements of varied composition and the dependence of this heat on the percentages of four components in the clinkers from which the cement was produced.

Keywords
datasets
Usage
data(pcd)
Format

A data frame with 13 observations on the following 5 variables.

Y
The heat evolved after 180 days of caring. (Calories per gram)
X1
Tricalcium Aluminate.
X2
Tricalcium Silicate.
X3
Tetracalcium Aluminoferrite.
X4
$\beta$ Dicalcium Silicate.

References

Mishra, S.K. (2004) Estimation under Multicollinearity: Application of Restricted Liu and Maximum Entropy Estimators to the Portland Cement Dataset,North-Eastern Hill University (NEHU).

Aliases
  • pcd
Examples
data(pcd)
Documentation reproduced from package lrmest, version 3.0, License: GPL-2 | GPL-3

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