SPSS Tutorials: Recoding Variables

Writing back to another variable turns an original variable into a new variable. That is, the changes do not overwrite the original variable; Instead, they are applied to the copy of the original variable under a new name. To re-encode to different variables, click Transform > Recode into different variables.Reading: how to re-encode in spssThe Recode to Other Variables window will appear.The left column lists all the variables in your data set. Select the variable you want to re-encode by clicking on it. Click the arrow in the center to move the selected variable into the center text box, (B) .A Input Variables -> Output Variables: The text box in the middle lists the variable(s) you selected for re-encoding, as well as the names your new variable(s) will have after re-encoding. You will define the new name in (C) .B Output variable: Define a name and label for your encoded variable(s) by entering them in the text fields. Once you’re done, click Change. Now the middle text box, (B), will display both the name of the original variable as well as the name of the new variable (e.g. “Height -> Height_categ”). OLD Old and New Variables: Click Old and new value to specify how you want to re-encode the values ​​for the selected variable. Read more: dishonored 2 ways to rob the black market If: The If optionally allows you to specify the conditions under which your reproducibility code will be applied. (We discuss about If more details later in this guide.)

Old and new value

After you click Old and new valuea new window where you specify how to convert the values ​​will appear.firstOld Value: Specify the type of value you want to re-encode (for example, a specific value, missing data, or a range of values) and the specific value to be re-encoded (for example, the value “1” or the range “1-5” ). When encoding variables, always deal with missing values ​​first! The most common encoding errors occur when you don’t tell SPSS what to do with missing values: SPSS can re-encode missing values ​​into one of the new valid categories. This is especially true if using the “Low through”, “through” or “Range – through” options.

• Value: Enter a specific code that represents an existing category.
• Missing system: Applies to any system missing values ​​(.)
• Missing system or user: Applies to any system missing values ​​(.) or special user-defined missing value codes in the Variables View window
• Range: For use with ordered catalogs or continuous measurements. Enter the lower boundary and the upper boundary to be encoded. The encrypted catalog will include both endpoints, so data values ​​exactly equal to the boundaries will be included in that catalog.
• Range, LOWEST to value: For use with ordered catalogs or continuous measurements. Encode all values ​​less than or equal to a number.
• Range, value to HIGHEST: For use with ordered catalogs or continuous measurements. Encode all values ​​greater than or equal to a number.
• All other values: Applies to any value that is not explicitly calculated by the previous coding rules. If this setting is used, it will be applied last.

2New Value: Specify a new value for your variable (i.e. a specific number such as “2”, systematic missing or duplicate old values) .3Old -> New: Once you have selected the old and new values ​​for your selected variable in (1) and (2), click add in area (3), Old->New. The repeat code you specified will now appear in the text field. If you need to change one of the code snippets you added Old->New area section, just click on the one you want to change and make changes in (1) and (2) as needed. You will need to repeat these steps for each value that you want to re-encode. Once you have specified all the transformations that you want to perform to the selected variable, click the “Continue” button.4Output variable is string and Convert numeric string to number: These options change the variable type of the new variable.

• Output variables are strings: The new variable will be a string variable.
• Convert numeric string to number: This option can only be used when your input variable is a string and will be grayed out otherwise. If the input variable is a string, but the data values ​​themselves are valid numbers, selecting this option will convert numeric strings to real numbers. (If any other character symbols appear in the data values, the conversion will fail, even if the numbers have different values. This includes the dollar sign and the fraction symbol. hundred.)

“If” option

Read more: how to change emoji on snapchat streak | Top Q&A Sometimes you may just want to re-encode the values ​​for a particular variable when other conditions in your data are satisfied. This means that the cases that meet the conditions will be re-encoded and the cases that do not meet the conditions will be assigned a missing value. To specify such conditions, click If to display the Record to different variables: If case window.1 The left column shows all the variables in your data set. You will use one or more variables to define the conditions under which your reproducibility code will be applied to the data. Covers all cases. However, to specify the conditions under which the re-encoding should be applied, you will need to click Include if the case satisfies the condition. This will allow you to specify the conditions under which the reproducibility code will be applied to your data.3 The center of the window includes a collection of arithmetic, Boolean, and other operators. numeric characters, which you can use to specify the recode conditions to be applied to the data. There are many types of conditions you can specify by selecting a variable (or variables) from the left column, moving them to the center text field, and using the blue buttons to specify a value (eg. : “1”) and operations (eg: , +, *, /). You can also use options in Functional group 4 The Function Group Box contains common functions that can be used to calculate values ​​for new variables (e.g. mean, logarithm, sine). After selecting a category, you’ll see the function name appear in the Special Functions and Variables box. Double-clicking the function name will add it to the “Include if the case satisfies the condition” box. ContinueNote: Recording to different variables doesn’t include the ability to add value labels to new categories, so right after coding it’s a good idea to add value labels to your new code. When you’re ready to run the process, click ALRIGHT. Now your new variable will be encoded according to the criteria you specified. You can find your new variable in the last column in Data View or in the last row of Variables View. Read more: how to open your spiritual eyes

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