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Topic Filters vs. Topic Inclusions (Studio)


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About Topic Filters vs. Topic Inclusions

In Studio, you can filter your data by specific topics, or you can choose which specific topics to include in your widget. While these may sound like similar functions, these 2 features have different purposes, and can produce different data results.

The simplest way to understand the difference between the 2 is to remember what each function is for. Filtering the data narrows down the results displayed so that you only see data fitting certain criteria. Including and excluding topics changes how many topic groupings are included in your widget, which can be further affected by the filters you apply to your data.

Example: Topic Volume Over Time

Let’s create 2 line widgets that we’ll use in our examples throughout the rest of this page. One widget uses a topic filter and the other widget uses the inclusion list.

Example 1: For the first widget, we’re only going to group data by Quarter (Document Date).
group by field in a line chart

Then in the Filters tab, we set additional conditions to the Lodging topic, with Room selected.
filters tab of a widget's properties

Example 2: For the second widget, we’re going to group data by Quarter (Document Date). Then under Series, we select our Lodging topic.
group by and series fields of a widget

Then in our inclusion list, the only topic we select is Room.

room selected in topic inclusion list

Comparing Widgets by Volume

Let’s compare these widgets using volume as a calculation (default).

Widget 1: Topic Filter

The first line widget is grouped by quarter and filtered by the “Room” topic. Below, you’ll see the exact volume for each quarter.

topic filter line chart

You might see this same data if you drilled to Room from another widget, or set a dashboard-wide filter.

Widget 2: Inclusion List

The second widget is grouped by quarter, then by topic. This kind of topic grouping is sentence-level rather than document-level.

Example: You may have 1 document of feedback that mentions lodging 3 times.

Volume always reflects the number of documents, never sentences, so the numbers you see in this widget act more as estimates. Estimations for the Room topic in this widget are within a few percent or less of the exact results you see in the first widget.
extra grouping line chart

Total volume (n =) is very different between the 2 widgets, too. You’ll notice if you add up the values in the second widget, they don’t equal the data points you see. That’s because n reflects the number of documents in the dashboard filter, not the inclusion list.

(This dashboard filter is not shown in the screenshots.)

Comparing Widgets by Percent Parent

In this example, we change our widgets’ calculations to % Parent and compare the results.

primary axis field set to percent parent

Widget 1: Topic Filter

The first widget calculates the percentage each quarter contributes to its parent. Since there is no parent grouping, the total volume for the whole date range is used as the parent.

Here, we see Q4 2016 accounted for 42.4% of all Room-related responses from 2016.

topic filter line chart

Widget 2: Inclusion List

The second widget calculates the percentage each topic contributes to its parent, which is a quarter (our primary grouping). Rooms were mentioned in 81.3% of all responses collected in Q4 2016.

extra grouping line chart

Conclusions

Both widgets are valuable and answer different questions. However, these widgets can look superficially similar while displaying different results, such as in the volume example.

The first widget (topic filter) answers the question: When we look at the total of the feedback related to the topic “Room” collected in 2016, what percent of it was collected in Q4 2016?

The second widget (inclusion list) answers the question: When we look at the total of the feedback collected in 2016, what percent of it was related to the topic “Room?”

In general, we recommend sticking to filters over the inclusion list. Because the inclusion list changes the groups included in your widget, including and excluding topics can drastically impact % Parent and % Total, resulting in superficially disparate results.

We recommend using as few groupings as necessary to answer your question. This will improve widget performance, improve accuracy (depending on the question you want your data to answer), and will be easier to interpret.