powered by
Cumulative periodogram test.
td(y)
a vector of the observed time-serie values
Cumulative periodogram.
Is calculated by -c+(t/length(y))
Is calculated by c+(t/length(y))
The output is a data.frame object.
Parra, F. (2014), Amplitude time-frequency regression, (http://econometria.wordpress.com/2013/08/21/estimation-of-time-varying-regression-coefficients/)
periodograma
# NOT RUN { data(PIB) td(PIB) # }
Run the code above in your browser using DataLab