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* [DOCS] Removed references to left (#60807) * [DOCS] Removed references to left * Fixed broken build * Fixed broken build Co-authored-by: Elastic Machine <elasticmachine@users.noreply.github.com>
196 lines
6 KiB
Text
196 lines
6 KiB
Text
[role="xpack"]
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[[lens]]
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== Lens
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beta[]
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*Lens* provides you with a simple and fast way to create visualizations from your {es} data. With Lens, you can:
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* Quickly build visualizations by dragging and dropping data fields.
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* Understand your data with a summary view on each field.
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* Easily change the visualization type by selecting the automatically generated visualization suggestions.
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* Save your visualization for use in a dashboard.
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[float]
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[[lens-aggregation]]
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=== Supported aggregations
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Lens supports the following aggregations:
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* <<visualize-metric-aggregations,Metric>>
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* <<visualize-parent-pipeline-aggregations,Parent pipeline>>
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* <<visualize-sibling-pipeline-aggregations,Sibling pipeline>>
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* <<visualize-bucket-aggregations,Bucket>>
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[float]
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[[drag-drop]]
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=== Drag and drop
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The panel shows the data fields for the selected time period. When
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you drag a field from the data panel, Lens highlights where you can drop that field. The first time you drag a data field,
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you'll see two places highlighted in green:
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* The visualization builder pane
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* The *X-axis* or *Y-axis* fields in the right column
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You can incorporate many fields into your visualization, and Lens uses heuristics to decide how
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to apply each one to the visualization.
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[role="screenshot"]
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image::images/lens_drag_drop.gif[]
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TIP: Drag-and-drop capabilities are available only when Lens knows how to use the data. You can still customize
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your visualization if Lens is unable to make a suggestion.
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[float]
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[[apply-lens-filters]]
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==== Find the right data
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Lens shows you fields based on the <<index-patterns, index patterns>> you have defined in
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{kib}, and the current time range. When you change the index pattern or time filter,
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the list of fields are updated.
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To narrow the list of fields, you can:
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* Enter the field name in *Search field names*.
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* Click *Filter by type*, then select the filter. You can also select *Only show fields with data*
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to show the full list of fields from the index pattern.
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[float]
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[[view-data-summaries]]
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==== Data summaries
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To help you decide exactly the data you want to display, get a quick summary of each data field.
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The summary shows the distribution of values in the time range.
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To view the data information, navigate to a data field, then click *i*.
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[role="screenshot"]
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image::images/lens_data_info.png[]
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[float]
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[[change-the-visualization-type]]
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==== Change the visualization type
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With Lens, you are no longer required to build each visualization from scratch. Lens allows
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you to switch between any supported chart type at any time. Lens also provides
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suggestions, which are shortcuts to alternate visualizations based on the data you have.
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You can switch between suggestions without losing your previous state:
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[role="screenshot"]
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image::images/lens_suggestions.gif[]
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If you want to switch to a chart type that is not suggested, click the chart type in the
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top right, then select a chart type. When there is an exclamation point (!)
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next to a chart type, Lens is unable to transfer your current data, but
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still allows you to make the change.
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[float]
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[[customize-operation]]
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==== Customize the data for your visualization
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Lens allows some customizations of the data for each visualization.
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. Click the index pattern name, then select the new index pattern.
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+
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If there is a match, Lens displays the new data. All fields that do not match the index pattern are removed.
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. Change the data field options, such as the aggregation or label.
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.. Click *Drop a field here* or the field name in the right column.
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.. Change the options that appear depending on the type of field.
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[float]
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[[layers]]
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==== Layers in bar, line, and area charts
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The bar, line, and area charts allow you to layer two different series. To add a layer, click *+*.
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To remove a layer, click the chart icon next to the index name:
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[role="screenshot"]
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image::images/lens_remove_layer.png[]
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[float]
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[[lens-tutorial]]
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=== Lens tutorial
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Ready to create your own visualization with Lens? Use the following tutorial to create a visualization that
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lets you compare sales over time.
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[float]
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[[lens-before-begin]]
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==== Before you begin
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To start, you'll need to add the <<add-sample-data, sample ecommerce data>>.
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[float]
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==== Build the visualization
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Drag and drop your data onto the visualization builder pane.
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. Open *Visualize*, then click *Create visualization*.
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. On the *New Visualization* window, click *Lens*.
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. Select the *kibana_sample_data_ecommerce* index.
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. Click image:images/time-filter-calendar.png[], then click *Last 7 days*. The list of data fields are updated.
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. Drag and drop the *taxful_total_price* data field to the visualization builder pane.
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+
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[role="screenshot"]
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image::images/lens_tutorial_1.png[Lens tutorial]
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Lens has taken your intent to see *taxful_total_price* and added in the *order_date* field to show
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average order prices over time.
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To break down your data, drag the *category.keyword* field to the visualization builder pane. Lens
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understands that you want to show the top categories and compare them across the dates,
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and creates a chart that compares the sales for each of the top 3 categories:
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[role="screenshot"]
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image::images/lens_tutorial_2.png[Lens tutorial]
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[float]
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[[customize-lens-visualization]]
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==== Further customization
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Customize your visualization to look exactly how you want.
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. In the right column, click *Average of taxful_total_price*.
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.. Change the *Label* to `Sales`, or a name that you prefer for the data.
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. Click *Top values of category.keyword*.
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.. Increase *Number of values* to `10`. The visualization updates in the background to show there are only
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six available categories.
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. Look at the suggestions. None of them show an area chart, but for sales data, a stacked area chart
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might make sense. To switch the chart type:
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.. Click *Stacked bar chart* in the right column.
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.. Click *Stacked area*.
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+
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[role="screenshot"]
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image::images/lens_tutorial_3.png[Lens tutorial]
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[float]
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[[lens-tutorial-next-steps]]
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==== Next steps
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Now that you've created your visualization in Lens, you can add it to a Dashboard.
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For more information, see <<dashboard,Dashboard>>.
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