concentration.col {lakhesis}

Kendall-Doran Concentration

Description

The Kendall-Doran measure of concentration (Kendall 1963; Doran 1971). In a seriated matrix, this function computes the total number cells between the first and last non-zero value, column by column.

Usage

concentration.col(obj)

Arguments

obj

A seriated binary matrix.

Value

The measure of concentration.

References

Doran J (1971). “Computer Analysis of Data from the la Tène Cemetry at Münsingen-Rain.” In Hodson FR, Kendall DG, Táutu P (eds.), Mathematics in the Archaeological and Historical Sciences, 422–431. Edinburgh University Press, Edinburgh.

Kendall DG (1963). “A Statistical Approach to Flinders Petrie's Sequence Dating.” Bulletin of the International Statistical Institute, 40, 657–680.

Examples

data("quattrofontanili")
concentration.col(quattrofontanili)