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On this page
  • When to Use Row Charts
  • When to Use List Views for Categorical Data
  • Using Stacked Row Charts for Multivariate Visualizations
  • Using Row Charts in the Cohort Browser
  • Preparing Data for Visualization in Row Charts

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  1. User
  2. Cohort Browser
  3. Chart Types

Row Chart

Learn to build and use row charts in the Cohort Browser.

Last updated 1 year ago

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The Cohort Browser is accessible to all users of the UK Biobank Research Analysis Platform and the Our Future Health Trusted Research Environment.

For DNAnexus Platform users, an Apollo license is required to access the Cohort Browser. for more information.

When to Use Row Charts

Row charts can be used to visualize categorical data.

When creating a row chart, note that:

  • The data must be from a field that contains either categorical or categorical multi-select data

  • This field must contain no more than 20 distinct category values

  • The values cannot be organized in a hierarchy

Supported Data Types

See if you need to visualize hierarchical categorical data.

When to Use List Views for Categorical Data

Row charts can't be used to visualize data in categorical fields that have a hierarchical structure. For this type of data, use a .

Row charts aren't supported in Cohort Compare mode. In Cohort Compare mode, row charts are converted to .

Using Stacked Row Charts for Multivariate Visualizations

Using Row Charts in the Cohort Browser

In a row chart, each row shows a single category value, along with the number of records - the "count" - in which that value appears in the selected field. Also shown is the percentage of total cohort records in which it appears - its "freq." or "frequency."

Below is a sample row chart showing the distribution of values in a field Salt added to food. Note that In the current cohort selection of 100,000 participants, 27,979 records contain the value "Sometimes", which represents 27.98% of the current cohort size.

Preparing Data for Visualization in Row Charts

  • String Categorical

  • String Categorical Sparse

  • String Categorical Multi-select

  • Integer Categorical

  • Integer Categorical Multi-select

While sparse serial data can be visualized using row charts, non-encoded values are currently not supported. These values will not appear as rows.

Categorical (<=20 distinct category values)

Categorical Multi-Select (<=20 distinct category values)

Simple row charts can't be used to visualize data from more than one field. To visualize categorical data from two fields, you can use a .

In some cases, not all records will have a value for the field in question. In this case, summing the "count" figures displayed will yield a figure smaller than the total cohort size, and summing the "freq." figures will not yield "100%." See for more information.

When , note that the following data types can be visualized in row charts, provided that category values are specified as such in the coding file used at ingestion:

Stacked Row Chart
ingesting data using Data Model Loader
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list view
When to Use List Views for Categorical Data
Chart Totals and Missing Data
Row Chart in the Cohort Browser
list views