How do you recode categorical data?
Recoding a categorical variable The easiest way is to use revalue() or mapvalues() from the plyr package. This will code M as 1 and F as 2 , and put it in a new column.
How do you recode a continuous variable in categorical SPSS?
Go to ‘Transform’ — Recode into Different Variables. Throw in the continuous variable….Throw in the continuous variable.
- In the ‘Output Variable’ section, fill in the name and label.
- In the example, I named it ‘AgeCat’ to mean the knowledge category.
- Click ‘Change’.
- Click ‘Old and New Values’, and a window will appear.
How do you convert categorical data to numerical data in SPSS?
To automatically recode variables:
- Click Transform > Automatic Recode.
- Select the string variable of interest in the left column and move it to the right column.
- Enter a new name for the autorecoded variable in the New Name field, then click Add New Name.
- SPSS will assign numeric categories in alphabetical order.
How do I encode variables in SPSS?
Data Creation in SPSS
- Click the Variable View tab. Type the name for your first variable under the Name column.
- Click the Data View tab.
- Now you can enter values for each case.
- Repeat these steps for each variable that you will include in your dataset.
How do I recode a dummy variable in SPSS?
Procedure in SPSS Statistics to create dummy variables
- Click Transform > Create Dummy Variables on the main menu, as shown below:
- Transfer the categorical independent variable, favourite_sport, into the Create Dummy Variables for: box by selecting it (by clicking on it) and then clicking on the button.
- Click on the.
Why do you recode variables in SPSS?
There are two recode functions found on the Transform menu within SPSS: Recode into Same Variable and Recode into Different Variable. The first, Recode into Same Variable, allows you to reassign values of an existing variable; the new values will replace the old within the current variable.
How do you do a chi square test in SPSS?
Quick Steps
- Click on Analyze -> Descriptive Statistics -> Crosstabs.
- Drag and drop (at least) one variable into the Row(s) box, and (at least) one into the Column(s) box.
- Click on Statistics, and select Chi-square.
- Press Continue, and then OK to do the chi square test.
- The result will appear in the SPSS output viewer.