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Case

Abstract

Label your data in a specific way using the Case tool.

Adds a label to data according to logical tests.

To add labels to your data:

  1. Pick a name for the new column.

  2. Select the default value. If all logical tests fail, we use the default value instead.

  3. Define any number of logical tests. The value of the first successful logical test will be used.

You can set as many logical tests as you'd like, but there can be only 1 default value.

Reorder and move cases the way you want. Use the drag and drop icon DragIcon.png to reorder your cases.

When to use this tool

Use when you want to label your data in a specific way.

The Case tool supports both filter and formula expressions, with the filter function as the default. You can switch between the two functions as necessary.

With the filter function, you can select a column to filter and then choose the filter category and value or text. You can use AND or OR statements to filter. For more information about the Filter functions, see Filter.

With the formula function, you can apply a formula to the data. The formula must return a value of TRUE or FALSE. For more information about the Forumla functions, see Formula.

Input

The Case tool requires one data input.

Configuration

Use the following configuration options to help create your case configuration.

Configuring the Case tool

  1. In your pipe, add your data source.

  2. Click symon_add_icon.png +Add Tool.

  3. Click See all tools.

  4. In the search bar, search for Case. Click Add tool.

    Tip

    You can also find the Case tool in the Calculate section.

  5. Connect the tool to your data set.

  6. In the configuration pane, enter the following information:

    Table 31. Case tool configuration

    Field

    Description

    New column name

    Enter a name for the new column.

    Default value

    Select the default value. If all logical tests fail, we will use the default value instead.

    Select a column

    Select a column to filter.

    Filter category

    Select a category to filter.

    Value or text

    Select the value or text.

    AND +Statement

    Optional: Use an AND statement to filter.

    OR +Statement

    Optional: Use an OR statement to filter.



    Note

    You can also apply a formula to filter instead of using a case filter. Click Formula in the Cases section.

Error messaging

The Case tool can identify the following errors in your formulas:

  • Syntax error: An invalid function is present, or the function cannot be parsed due to a special character, or a missing bracket.

  • Invalid argument error: The tool detects that the argument is invalid due to a wrong data type.

  • Too many arguments error: The tool detects that there are too many arguments.

  • Missing arguments error: The tool detects that there are arguments missing from a function in your formula.

  • Unsupported data type error: The tool detects an unsupported data type. The Formula tool only accepts number, boolean, string, and date data types.