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Metric
editMetric
editA metric visualization displays a single number for each aggregation you select:
- Count
- The count aggregation returns a raw count of the elements in the selected index pattern.
- Average
- This aggregation returns the average of a numeric field. Select a field from the drop-down.
- Sum
- The sum aggregation returns the total sum of a numeric field. Select a field from the drop-down.
- Min
- The min aggregation returns the minimum value of a numeric field. Select a field from the drop-down.
- Max
- The max aggregation returns the maximum value of a numeric field. Select a field from the drop-down.
- Unique Count
- The cardinality aggregation returns the number of unique values in a field. Select a field from the drop-down.
- Standard Deviation
- The extended stats aggregation returns the standard deviation of data in a numeric field. Select a field from the drop-down.
- Percentile
- The percentile aggregation returns the percentile rank of values in a numeric field. Select a field from the drop-down, then specify a range in the Percentiles fields. Click the X to remove a percentile field. Click + Add Percent to add a percentile field.
You can add an aggregation by clicking the + Add Aggregation button.
You can click the Advanced link to display more customization options:
- Exclude Pattern
- Specify a pattern in this field to exclude from the results.
- Exclude Pattern Flags
- A standard set of Java flags for the exclusion pattern.
- Include Pattern
- Specify a pattern in this field to include in the results.
- Include Pattern Flags
- A standard set of Java flags for the inclusion pattern.
- JSON Input
- A text field where you can add specific JSON-formatted properties to merge with the aggregation definition, as in the following example:
{ "script" : "doc['grade'].value * 1.2" }
In Elasticsearch releases 1.4.3 and later, this functionality requires you to enable dynamic Groovy scripting.
The availability of these options varies depending on the aggregation you choose.
Click view options to change the font used to display the metrics.