pvrank (version 1.1)

Zoutus: Data on time and dose of CT fluoroscopy-guided procedures

Description

Two correlation/association coefficients: Pearson $r_0$ and Spearman $r_1$, are reviewed and compared.

Usage

data(Zoutus)

Format

A data frame with 19 observations on the following two variables.

LogTime

Total procedure time. Minutes on a natural log scale.

LogDose

Dose of CT fluoroscopy-guided procedure. Rads on a natural log scale.

Source

Zou, K. H. and Tuncali, K. and Silverman, S. G. (2003). "Correlation and simple linear regression". Radiology, 227, 617--628.

Details

Both correlation coefficients confirm that the log of total time and the log of dose are correlated strongly and positively.

Examples

	data(Zoutus)
	head(Zoutus)