c_marginal_probabilities {otsfeatures}R Documentation

Computes the cumulative marginal probabilities of an ordinal time series

Description

c_marginal_probabilities returns a vector with the cumulative marginal probabilities of an ordinal time series

Usage

c_marginal_probabilities(series, states)

Arguments

series

An OTS (numerical vector with integers).

states

A numerical vector containing the corresponding states.

Details

Given an OTS of length TT with range S={s0,s1,s2,,sn}\mathcal{S}=\{s_0, s_1, s_2, \ldots, s_n\} (s0<s1<s2<<sns_0 < s_1 < s_2 < \ldots < s_n), Xt={X1,,XT}\overline{X}_t=\{\overline{X}_1,\ldots, \overline{X}_T\}, the function computes the vector f^=(f^0,,f^n)\widehat{\boldsymbol f} =(\widehat{f}_0, \ldots, \widehat{f}_n), with f^i=NiT\widehat{f}_i=\frac{N_i}{T}, where NiN_i is the number of elements less than or equal to sis_i in the realization Xt\overline{X}_t.

Value

A vector with the cumulative marginal probabilities.

Author(s)

Ángel López-Oriona, José A. Vilar

References

Weiß CH (2019). “Distance-based analysis of ordinal data and ordinal time series.” Journal of the American Statistical Association.

Examples

vector_cmp <- c_marginal_probabilities(series = AustrianWages$data[[100]],
states = 0 : 5) # Computing the vector of
# cumulative marginal probabilities for one series in dataset AustrianWages

[Package otsfeatures version 1.0.0 Index]