Computed Columns
You can include computed columns in your report.
Prerequisites
You must select a template that displays query results in the Log Explorer window.
You can show additional information alongside predefined log entry columns, corresponding to additional information stored in the client activity logs.
- Right-click the column header row to display the field names for the fields displayed in the Results panel.
 A right-mouse menu appears showing all the column names.
- Select the Computed Columns option.
 The operations supported for computed columns are:
- Select the type of calculation you want to perform from the Computed Columns sub menu.
- Select the column shown in the Results panel that contains the data you want to calculate computed values for.
| Operation | Description | 
|---|---|
| Count | Calculates the number of log entries for a value type, such as Count (Device Class) that shows how many log entries contain device information. Count (Any) shows the total number of log entries. | 
| Min | Calculates the minimum value in a column for a set of results. | 
| Max | Calculates the maximum value in a column for a set of results. | 
| Sum | Calculates the sum of numerical data for a set of results; valid only for the File Size column. | 
| Average | Calculates the numerical average of numerical data for a set of results; valid only for the File Size column. | 
These operations do not apply to all columns.
The Log Explorer window shows the calculated column results.