EventDate-class: Date Model

In kairos: Analysis of Chronological Patterns from Archaeological Count Data

Date Model

Description

An S4 class to store the event and accumulation times of archaeological assemblages.

Slots

dates

A length-m numeric vector of dates expressed in rata die.

model

A multiple linear model: the Gaussian multiple linear regression model fitted for event date estimation and prediction.

keep

An integer vector giving the subscripts of the CA components to keep.

Extract

In the code snippets below, x is an EventDate object.

time(x)

Extract dates of assemblages.

coef(x)

Extract model coefficients.

fitted(x)

Extract model fitted values.

residuals(x)

Extract model residuals.

sigma(x)

Extract the residual standard deviation.

terms(x)

Extract model terms.

Note

Dates are internally stored as rata die. This class inherits from dimensio::CA.

Author(s)

N. Frerebeau

See Also

dimensio::CA

Other classes: AoristicSum-class, CountApportion-class, IncrementTest-class, MeanDate-class, PermutationOrder-class, RateOfChange-class

kairos documentation built on April 3, 2025, 7:08 p.m.