Name:

Description:

A list object with the annual numbers of telephone calls, in Belgium. The components are:

year

last two digits of the year.

calls

number of telephone calls made (in millions of calls).

Variables:

Link To Google Sheets:

Rows:

Columns:

Files:

License Type:

References/Notes/Attributions:

Source

P. J. Rousseeuw and A. M. Leroy (1987) Robust Regression & Outlier Detection. Wiley.

References

Venables, W. N. and Ripley, B. D. (2002) Modern Applied Statistics with S. Fourth edition. Springer.

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