# Feature Efficiency Histogram

The Feature Efficiency Histogram page displays how well each of the licenses that are available are used over the total amount of time, or over the amount of time during which there are active checkouts of the license.

## Examples

Using the example above, from an "overall time" perspective, no licenses checked out
1.83% of the time, **at least** one license checked out 98.17% of the time, and
so on. From a "when used" perspective, **exactly** 1 license is used 1.49% of the
time, 2 licenses are used 4.43% of the time, and so on. The scaling of this report
is based on the number of licenses available. For example, if 10 licenses are
available, 10 rows will appear, one for each license. If 1000 are licenses
available, 10 rows will appear, each row with a range of 100 licenses.

In the example histogram in the lower right corner, it shows a 55 percent of idle time in red. This implies that licenses were used less than half of the time, which shows a huge waste. The next step here would be to look at a larger data set, to see if this data point in an anomaly. But if not, it would indicate that you should buy fewer licenses in the future.