How do you log transform a variable in SPSS?

How do you log transform a variable in SPSS?

How to log (log10) transform data in SPSS

  1. In SPSS, go to ‘Transform > Compute Variable …’.
  2. In the ‘Compute Variable’ window, enter the name of the new variable to be created in the ‘Target Variable’ box, found in the upper-left corner of the window.
  3. Then click the ‘OK’ button to transform the data.

Why do we recode variables in SPSS?

The Recode into Different Variables dialog box allows you to reassign the values of existing variables or collapse ranges of existing values into new values for a new variable. For example, you could collapse salaries into a new variable containing salary-range categories.

What is recoding variables in SPSS?

Recoding into a different variable transforms an original variable into a new variable. That is, the changes do not overwrite the original variable; they are instead applied to a copy of the original variable under a new name. To recode into different variables, click Transform > Recode into Different Variables.

How to change the name of a variable in SPSS?

Click the Data variable in the left-hand box and then click on the button, which will result in the expression you see in the Numeric E xpression: box below. All you need to do now is give this new variable a name. We have called the new variable TrData. Type this name into the T arget Variable: box in the top left-hand corner.

What’s the name of the recoding transform in SPSS?

In SPSS, this type of transform is called recoding. In SPSS, there are three basic options for recoding variables: Recode into Different Variables Recode into Same Variables

How do you transform data in SPSS Statistics?

In our enhanced content, we show you how to transform your data using SPSS Statistics for “square”, “square root”, “reflect and square root”, “reflect and log”, “reciprocal”, “reflect and inverse” and “log” transformations. We also explain how to transform data that ranges from being moderately to extremely positively or negatively skewed.

Where do you type the target variable in SPSS?

The Target Variable box is where you type the name of your new, transformed variable, such as XLN. The numeric expression box is where you type the transformation expression, ln (x).