Number of International Calls from Belgium

Description

Number of international calls from Belgium, taken from the Belgian Statistical Survey, published by the Ministry of Economy.

Usage

data(telef, package="robustbase")

Format

A data frame with 24 observations on the following 2 variables.

Calls

Number of Calls (in tens of millions)

Year

Year (1950 - 1973)

Source

P. J. Rousseeuw and A. M. Leroy (1987) Robust Regression and Outlier Detection; Wiley, page 26, table 2.

Examples

data(telef)
summary(lm.telef <- lm(Year~., data=telef))