[Lens] Add more Lens QA doc (#105057)

* 📝 Add more Lens qa doc

* 🐛 Fix wrong ref

* 🔥 Remove section anchor for now

* Apply suggestions from code review

Co-authored-by: Kaarina Tungseth <kaarina.tungseth@elastic.co>

* 👌 Integrated feedback

Co-authored-by: Kaarina Tungseth <kaarina.tungseth@elastic.co>
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Marco Liberati 2021-07-16 10:55:16 +02:00 committed by GitHub
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@ -316,10 +316,16 @@ Each *Layer* in a visualization is associated with an index pattern and mutiple
You can also change the index pattern for a single *Layer*.
[float]
[[why-my-field-x-is-missing-from-the-fields-list]]
===== Why is my field X missing from the fields list?
[[why-my-field-is-missing-from-the-fields-list]]
===== Why is my field missing from the fields list?
*Lens* does not support the visualization of full-text fields, therefore it is not showing them in the data summary.
Fields do not appear in the *Available fields* in the following scenarios:
* The field is a full-text field.
* The field is a `geo_point` field
* The field is a `flattened` field.
* The field is a `object` field.
Verify if the field appears in the *Empty fields* list. *Lens* uses heuristics to determine if the fields contain values. For sparse data sets, the heuristics are less precise.
[float]
[[how-to-handle-gaps-in-time-series-visualizations]]
@ -370,3 +376,9 @@ Here's a short list of few different aspects to check:
** If a custom `Number` configuration is used, check that the color stop values are covering the current data range.
** If a `Percent` configuration is used, and the data range changes, the colors displayed are affected.
[float]
[[is-it-possible-to-show-icons-in-datatable]]
===== Is it possible to display icons in data tables?
You can display icons with <<managing-index-patterns, field formatter>> in data tables.