Depending on how much data you have in your SimpleRisk database, you may find that when you go to the Risk Average Over Time report, all you see is a blank chart like this:

If this happens, it is because the HighCharts library that we use for graphing is hitting the threshold for the number of data points it will calculate.  You can adjust the threshold for this chart by editing the simplerisk/includes/display.php file, searching for the "risk_average_baseline_metric" function, and adding the following line underneath the other $chart->plotOptions lines in that function:

$chart->plotOptions->series->turboThreshold = "20000";

Once you do this, your chart should look normal again: