% Non-linear time series analysis
% Exercise 2.1
clear all;
close all;
n = 1024;
dataSet = randn(1, n);
tim.example.visualize(dataSet);
% Take a moving-average. This should cut down
% on the high frequencies.
radius = 7;
filteredSet = zeros(1, n);
for i = 1 : n
filteredSet(i) = mean(dataSet(1, ...
max(i - radius, 1) : min(i + radius, n)));
end
tim.example.visualize(filteredSet);