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When you select each field to include with Guided NLQ, you will notice a number of other options available, depending on whether the field is a metric, a dimension or a date field. The table below indicates where fields used with Guided NLQ may also be used elsewhere in Yellowfin. For example, a custom chart color is system-wide, and will therefore be used with Guided NLQ and with all charts. We recommend you keep this in mind if you’re considering changing system-wide settings, as the changes will reach beyond Guided NLQ.

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Field name

Description

Usage

Default

– 

A dropdown on the left displays any default aggregation applied to the field. This can be edited from the dropdown if required.

System-wide

– 

The field name can be edited here, but note that it will be updated everywhere else it’s used (the view, reports etc.).

System-wide

– Click the + button next to the field name in order to create one or more synonyms for that field. Synonyms are used by Guided NLQ so that users don’t have to remember the exact column name in order to ask a question. When typing a field name into the question bar, Yellowfin will suggest matching fields based on both the field name, as well as any synonyms created for that field. If a synonym is already setup set up for a field, the + icon will appear darkerin a different color (blue). Synonyms can be deleted by clicking the X next to the word.
Guided NLQ only– 

Guided NLQ

Use this checkbox to enable or disable Guided NLQ at field level. If the checkbox is greyed out, check for these situations and correct, if necessary.

  • You selected the field as the view’s Primary Date Field in the previous steps.
  • The date field has been formatted using an unsupported formatter such as the datePart formatter (they should be formatted using the DateFormatter or Timestamp formatter for use with Guided NLQ).
  • The field is part of a date hierarchy. Date hierarchies work on granularity (for example, year, month, week day), and each date field in a hierarchy is automatically checked and greyed out to prevent unchecking to ensure the hierarchy functions correctly within Guided NLQ.

Guided NLQ only

Unchecked

Plural (dimensions only)

Only editable if a field has been enabled for either Assisted Insights or Guided NLQ. In Guided NLQ, this will ensure that plurals are shown as needed when someone is asking a question, and when certain types of results are displayed.

Assisted Insights, Signals and Guided NLQ

Format

This dropdown lets you customize the format of metrics and dates. For example, you can use the typical date format options to display a yyyy-MM-dd date as MM d yyyy. 

You may also set the date default after you’ve chosen your preferred format by clicking on the date displayed on the dropdown above the Custom menu option.
You can also set date granularity via this dropdown (see Granularity, below).

Guided NLQ

Granularity

This column is displayed only if the date field uses DateFormatter or TimestampFormatter. Use this field to see and set the date granularity with one click using this dropdown menu. When a date field appears in a question, Guided NLQ uses its granularity as the suggested default and when building charts with a date axis. 

System wide

Custom Chart Color

Any custom chart colors set here will be used when Guided NLQ creates charts.

System wide

Filter Value Case

Selecting Uppercase or Lowercase for this field activates a backend operation which converts the filter value into the selected case. Anything you set for a field here will be used when Yellowfin runs an SQL query with this field. It is never reflected in how field values are displayed when asking a question within Guided NLQ.

System wide


Mandatory Filter

If a dimension or date field has this option set, it must be included with every Guided NLQ question. In Guided NLQ, an orange dot will appear next to mandatory fields in the dropdowns for the date blocks and ‘Where’ blocks of a sentence (these are the two clauses where filters can be used). Make sure that anyone using Guided NLQ with a view with mandatory filters is aware of the mandatory filters.

System wide

Field Usage Restrictions

This red checkbox works differently to the blue tick-style checkboxes. If a red checkbox on the dropdown is checked, some restrictions have been applied. Click on the dropdown to see the full list. 

The Load Filter Values is used only for Guided NLQ. For fields with many values, this option can be disabled (red cross on) to prevent Yellowfin from querying the database for possible values when Guided NLQ displays the field values as a list. This can improve performance of the system. The user can instead type a value.

System wide (excluding Load Filter Values which is used for

Guided NLQ only)

Load Filter Values is enabled (red cross off)

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