User Defined (Derived or Net) Variables in Tabx
Contents
Derived variables can be constructed quickly and easily in Tabx. Once created, Derived variables can be added to groups just like any other variable in the project, and used in the Interrogate, Dashboard or Analysis tools.
Creating a Derived Variable
To construct a Derived variable within a project:
- Browse to the Account page using the navigation at the top of the window.
- Browse to the ProjectsTab.
- Click the Edit button for the Project you wish to edit, on the Projects table.
- Browse to the Defined Variables tab, Derive New Variable sub-tab.
- Enter a name (code) for the new variable in the 1. New Variable Name text box.
- Enter a label for the new variable in the 2. New Variable Label text box.
- Choose a group from the 3. Group select box.
- Select a variable from the 4. Select Root Variables select box. This will load the chosen variable into the 5. Create New Answer Categories area. In Tabx you can derive a variable from multiple source variables.
- Enter a New Answer Code (integer) value for a new answer category.
- Enter a New Answer Label for the new answer category.
- Select one or more answer categories from the chosen root variable.
- Click 6. Add New Answer Category. This will add this derived answer category definition to the Current Answer Categories box. Note that Tabx will also detail how many respondents are included within this answer category definition.
- Repeat the above process until all definitions for the new Derived variable answer categories are made.
- PLEASE NOTE THIS HAS NOT SAVED THIS DERIVED VARIABLE INTO THE PROJECT YET.
- NOTES
- Each new answer category can be derived from one or more Root Variable's answer categories. However, a derived variable can have new answer categories chosen from many root variables.
- The respondent counts only display a count from each individual new answer category. The actual total base (unfiltered) may vary depending on the choice of root variables and root answer categories.
- The New Answer Code box will automatically increment by one every time a new answer category is defined. This code can be overwritten if needed.
- Tabx will show whether the derived variable being created will be a new Multi type, or new Single type variable.
- Click 7. Save New Variable to add this derived variable into the project. Any required fields that do not have a valid value will highlight in red. You should see a yellow confirmation box appear at the top of the page confirming the Derived Variable has been saved.
- NOTES
- Newly added Derived variables can now be seen in the Current Derived Variables table on the User Defined Variables tab, the Variables tab and the Multis tab.
- The added Derived variable will now be ready for use in the Interrogate, Dashboard or Analysis tools.
Creating a Scalar Net Variable
In Tabx, it's possible to net a scalar variable into a usable categorical question (For example, netting the field Ago into a new Age Goups variable).
- Browse to the Account page using the navigation at the top of the window.
- Browse to the Projects Tab.
- Click the Edit button for the Project you wish to edit, on the Projects table.
- Browse to the Defined Variables tab, Net Scalar Variable sub-tab.
- Enter a name (code) for the new variable in the 1. New Variable Name text box.
- Enter a label for the new variable in the 2. New Variable Label text box.
- Choose a group from the 3. Group select box.
- Select a variable from the 4. Select Root Scalar Variable select box. This will load the chosen variable into the 5. Create New Answer Categories area. In Tabx you can derive a variable from multiple source variables.
- Enter a New Answer Code (integer) value for a new answer category.
- Enter a New Answer Label for the new answer category.
- Define the range for the new answer category in the From and To boxes.
- Click 6. Add New Answer Category. This will add this derived answer category definition to the Current Answer Categories box.
- Repeat the above process until all definitions for the new Derived variable answer categories are made.
- PLEASE NOTE THIS HAS NOT SAVED THIS DERIVED VARIABLE INTO THE PROJECT YET.
- NOTES
- Each new answer category can be derived from one or more Root Variable's answer categories. However, a derived variable can have new answer categories chosen from many root variables.
- The New Answer Code box will automatically increment by one every time a new answer category is defined. This code can be overwritten if needed.
- Tabx will show whether the derived variable being created will be a new Multi type, or new Single type variable.
- Click 7. Save New Variable to add this derived variable into the project. Any required fields that do not have a valid value will highlight in red. You should see a yellow confirmation box appear at the top of the page confirming the Derived Variable has been saved.
- NOTES
- Newly added Derived variables can now be seen in the Current Derived Variables table on the User Defined Variables tab, the Variables tab and the Multis tab.
- The added Derived variable will now be ready for use in the Interrogate, Dashboard or Analysis tools.
Removing a Derived Variable
Derived variables can be removed from a project easily:
- Browse to the Account page using the navigation at the top of the window.
- Browse to the Projects Tab.
- Click the Edit button for the Project you wish to edit, on the Projects table.
- Browse to the User Defined Variables tab.
- Find the multi type variable you wish to remove on the Current Derived Variables table.
- Click and confirm the button.
- You should see a yellow confirmation box confirming the project has been saved, and the Derived variable has been removed.
- WARNING: Removing Derived variables may cause a loss of configured charts and tables within Tabx, as any settings that included this variable will be reset.
Editing a Derived Variable
At any point, the Variable Label, the Group and any Answer Category Labels can be modified for a Derived variable. To edit a Derived variable:
- Browse to the Account page using the navigation at the top of the window.
- Browse to the Projects Tab.
- Click the Edit button for the Project you wish to edit, on the Projects table.
- Browse to the Variables tab if the Derived variable is a Single type variable, or the Multis tab if the Dervied variable is a Multi type variable.
- Find the Derived variable you wish to edit in the Variables list or Current Multis table respectively.
- Enter any new text in the Variable Label box.
- Click the button to edit any Answer Category Labels
- Choose a new Group from the Group select box.
- PLEASE NOTE THIS HAS NOT SAVED THIS DERIVED VARIABLE'S CHANGES YET
- Click Save Variables.
- You should see a yellow confirmation box confirming the project has been saved, and the Derived variable has been edited.
Related Articles
Survey Data Processing in Tabx