Call data records

<p>This is a pre-processed subset of the call data records dataset from the <a href="https://arxiv.org/abs/1210.0137">Data for Development: the D4D Challenge on Mobile Phone Data</a>.</p> <p>The dataset consists of 8 time series of 3336 time steps sampled at hourly resolution. The 8 time series represent:</p> <ol> <li>The number of incoming calls in the area covered by the&nbsp;antenna.</li> <li>The volume in minutes of the incoming calls in the area&nbsp;covered by the antenna.</li> <li>The number of outgoing calls in the area covered by the&nbsp;antenna.</li> <li>The volume in minutes of the outgoing calls in the area covered&nbsp;by the antenna.</li> <li>The sine of the hour of the day when the telephone activity has been&nbsp;registered.</li> <li>The cosine of the hour of the day when the telephone activity has been registered.</li> <li>The sine of the day of the week when the telephone activity has been&nbsp;registered.</li> <li>The cosine of the day of the week when the telephone activity has been registered.</li> </ol> <p>This <a href="https://imgur.com/a/e3INnkG">image</a> shows the first 500 hours in each time series (time series 5-6 and 7-8 are plot together).</p> <p>&nbsp;</p> <p>&nbsp;</p>