With the custom charts you can easily plot a variety of parameters and explore their behavior across time.
To create a custom chart:
1. Go to Analytics => Custom charts.
2. Go to the tab with the parameters that are of interest.
3. Select the fields you'd like to have displayed => Display the chart by clicking Create Chart .
4. At this point you can define the date range and the time buckets and display an updated chart.
You can Download the data used to depict the chart by clicking the download utility on the upper-right-hand side.