# How to Create a One Variable Data Table in Excel

November 10, 2023 1.4K views

In today's data-driven world, mastering variable data tables is crucial. However, finding the right template quickly can be challenging. This article provides a solution, helping you select the ideal variable data table based on your data's unique characteristics.

## 1. What is Data Table in Excel

A data table in Excel is a tool that allows you to quickly and easily calculate the results of a formula or function for a range of values. Data tables can be used to analyze the impact of changes in one or more variables on an outcome.

There are two types of data tables in Excel:

• One-variable data table: This type of data table allows you to analyze the impact of changes in one variable on an outcome. The variable is entered in a column or row, and the formula or function is entered in a cell below or to the right of the variable. Excel then calculates the results of the formula or function for each value of the variable.

• Two-variable data table: This type of data table allows you to analyze the impact of changes in two variables on an outcome. The two variables are entered in two columns or rows, and the formula or function is entered in a cell below or to the right of the two variables. Excel then calculates the results of the formula or function for each combination of values for the two variables.

What is the Purpose and Usage of One Variable Data Tables?

One variable data tables can be used to:

• Analyze the impact of changes in one variable on an outcome.

• Identify the optimal value of a variable for a given outcome.

• Compare the results of different values of a variable.

• Identify trends in data.

For example, you could use a one variable data table to analyze the impact of different interest rates on the monthly mortgage payment. Or, you could use a one variable data table to identify the optimal number of employees to hire for a given level of sales.

## 2. Step-by-Step Guide to Making a Data Table In Excel

### How to Create a One-Variable Data Table

Step 1. Enter the variable in a column or row.

Step 2. Enter the formula or function in a cell below or to the right of the variable.

Step 3. Select the range of cells that contains the variable and the formula or function.

Step 4. Click the Data tab.

Step 5. In the Data Tools group, click the What-If Analysis button.

Step 6. Click Data Table.

Step 7. In the Data Table dialog box, select the Column Input Cell option.

Step 8. In the Cell Reference box, enter the cell reference for the variable.

Step 9. Click OK.

Excel will then create a data table that shows the results of the formula or function for each value of the variable.

### How to Understand Data Table References

A data table reference is a way to refer to a cell or range of cells in a data table. Data table references are used in the Data Table dialog box to specify the cells that contain the variable(s) and the formula or function.

There are two types of data table references:

• Column input cell: This is the cell that contains the variable that you want to vary.

• Row input cell: This is the cell that contains the variable that you want to keep constant.

### How to Create a Two-Variable Data Table

To create a two-variable data table in Excel, you follow the same steps as creating a one-variable data table, but you need to select two columns or rows for the variables.

Here are the 5 steps to create a two-variable data table in Excel, in a nutshell:

Step 1. Gather your data. This is the two variables that you want to test, and their possible values.

Step 2. Create a column for each variable.

Step 3. In a cell, enter the formula that will calculate the output value based on the values of the two variables.

Step 4. Select the range of cells that contains the formula, the two variable columns, and the output cells.

Step 5. Go to the Data tab and click on the What-If Analysis button. From the dropdown menu, select Data Table.

In the Data Table dialog box, enter the cell references for the row input cell and the column input cell. Click OK to create the data table.

### How to Customize Data Table Inputs

You can customize the inputs to a data table by changing the following settings in the Data Table dialog box:

• Column input cell: This is the cell that contains the variable that you want to vary.

• Row input cell: This is the cell that contains the variable that you want to keep constant.

• Output cell: This is the cell where the results of the data table will be displayed.

• By row: This option specifies that the data table will be created by row.

• By column: This option specifies that the data table will be created by column.

• Reset after each calculation: This option specifies that the data table will be reset after each calculation.

You can also change the formatting of the data table by selecting the desired options in the Formatting tab of the Data Table dialog box.

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## FAQs about One Variable Data Tables in Excel

### 1. How to calculate multiple results by using a data table?

To calculate multiple results by using a data table, you can do the following:

Step 1. Enter the variables in a column or row.

Step 2. Enter the formula or function in a cell below or to the right of the variables.

Step 3. Select the range of cells that contains the variables and the formula or function.

Step 4. Click Data Table in the What-If Analysis group on the Data tab.

Step 5. In the Data Table dialog box, select the Column Input Cell or Row Input Cell option.

Step 6. Enter the cell reference for the variable(s) in the Cell Reference box.

Step 7. Enter the range of values that you want to test for the variable(s) in the By row or By column box.

Step 8. Click OK.

Excel will then create a data table that shows the results of the formula or function for each value of the variable(s)

### 2. How can I visualize Data Table results more effectively?

To visualize data table results more effectively, you can use charts, colors, shapes, text, and filters. Keep it simple, use clear labels, consistent formatting, a title, and a legend.

Here are some examples of how you can use these techniques:

• Use a bar chart to show the results of a survey.

• Use colors to highlight important data or to make data tables more visually appealing.

• Use shapes to add visual interest to data tables.

• Use text to provide additional information about the data in a data table.

• Use filters to hide or show specific data in a data table.

By following these tips, you can create data tables that are more effective and easier to understand.

### 3. How to Work with Large Data Sets in Data Tables

To work with large data sets in data tables, you can use a spreadsheet program, a data visualization tool, a database management system, or cloud computing. You can also break down the data into smaller chunks, use filters and sorting, use charts and graphs, and use a statistical analysis tool.

## Summary

In this comprehensive guide, you've learned how to create a one variable data table in Excel. From understanding the basics to customizing data inputs, you're equipped to make informed data-driven decisions. Don't forget to explore the benefits of WPS Office, your versatile partner for all your data analysis needs.

15 years of office industry experience, tech lover and copywriter. Follow me for product reviews, comparisons, and recommendations for new apps and software.