data frame containing 17518 rows and 6 columns --- 17518 working days of the
Internet service considered with respect to variables:
service, month, day, hour, unique users and page views.
References
Kosiorowski, Rydlewski, Snarska (2016), Detecting a Structural Change in Functional Time Series Using Local Wilcoxon Statistic, arXiv: 1604.03776v2