# NQL summarize

The `summarize` statement condenses the information into a single result.

### Syntax <a href="#nqlsummarize-syntax" id="nqlsummarize-syntax"></a>

{% code overflow="wrap" lineNumbers="true" %}

```
...
| summarize <new metric name> = <metric>.<aggregation function>
```

{% endcode %}

### Examples <a href="#nqlsummarize-examples" id="nqlsummarize-examples"></a>

Compute the average value of the number of page views per device.

{% code overflow="wrap" lineNumbers="true" %}

```
devices
| with web.page_views from Jun 1 to Jun 7
| compute num_navigations = number_of_page_views.sum()
| summarize average_num_navigation_per_device = num_navigations.avg()
```

{% endcode %}

| average\_num\_navigation\_per\_device |
| ------------------------------------- |
| 115.9                                 |

Count the number of devices active in the last 7 days. In case of the `count()` aggregation function, you can omit the filed name before the aggregation to count the number of records of the root table.

{% code overflow="wrap" lineNumbers="true" %}

```
devices during past 7d
| summarize number_of_devices = count()
```

{% endcode %}

| number\_of\_devices |
| ------------------- |
| 285                 |

Compute the total size of all the binaries.

{% code overflow="wrap" lineNumbers="true" %}

```
binaries during past 7d
| summarize total_size = size.sum()
```

{% endcode %}

| total\_size |
| ----------- |
| 611.3 GB    |


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