
Large- Scale Time- Series Forecasting • 201
amount of human intervention—highlighting the need for a generic fore-
casting methodology that is robust and provides an adequately accurate
forecast for each time series. In this section, we focus on how the google-
parallelism package in conjunction with Google’s infrastructure can be
a useful, practical, and inexpensive method for building, evaluating,
and engineering such a forecasting methodology in the R programming
language. A high- level overview of our forecasting methodology is pro-
vided in the next subsection, but further details are beyond the scope of
this chapter.
Brief Overview of Forecasting ...