Though the first example provides in that link recodes into the same variables, an equivalent command to recode into different variables would be. This tutorial walks you through its main options, best practices and pitfalls. The output variable, the new variable, well call outcome. Creating and recoding variables spss learning modules. Move across to the central box the first variable that needs recoding. On the menu transform recode into different variables. Oct 15, 2018 its in an excel file, and when you get it over to spss it will automatically be string variables and you are very limited to do statistics on that. Note that this dialog window allows you to recode specific values, ranges of values, and missing values into new values. Spss wont let you type letters into a numeric variable.
If you select multiple variables, they must be the same type numeric or. Recoding into same variables replaces the values in the existing variable. If your variable includes text values, make sure that the numeric values appear onscreen. We could do this manually, but spss can do the hard work for us through the menu command. Hi all, i have seen a couple of times that for some data sets the not answered is coded as 9, 99, 999 and the number of digit of 9 depends on the number of digit of the maximum value of the variable. You can use recoding to produce different values or codes for a variable. For example, you can change continuous variables to categorical variables, change scores into rank scores, add a constant to variables, etc. Now, automatic recode worksa little differently from some of these others. To recode into different variables, click transform recode into. Its in an excel file, and when you get it over to spss it will automatically be string variables and you are very limited to do statistics on that. Recoding variables spss tutorials libguides at kent state. It comes in handy for merging categories, dichotomizing continuous variables and some other tasks. You must click the change button for the new variable to. The data given below represents the scores of 10 students in a final examination.
Spss, transform data, one variable, into ten different. The left column lists all of the variables in your dataset. Hello, i have a column of 20 cells were 19 are blank and one has text in. Select the variable you wish to recode by clicking it. Introduce for example you have age variables which value is 10, 11, 12.
Spss has 2 functions that allow us to recode variables. Written and illustrated tutorials for the statistical software spss. This video demonstrates using the recode into different variables feature in spss. Dec 11, 2005 the recode command only accepts the numeric value of date variables. Spss recode multiple variables into one variable example. This tutorial will show you how to use spss version 10 to automatically recode variables, manually recode variables, and compute variables. To perform a dummycoded regression, we first need to create a new variable for the number of groups we have minus one. Recoding into a different variable transforms an original variable into a new variable. You may recode into the same variable changing the values, but not the name of the variable or you may recode into a different variable changing the values and the name of the variable. You can also convert numeric variables to string variables, and vice versa. Spssx discussion transformrecode variable not working. Numeric systemmissing values are displayed as periods. This post is about recode into different variables. Dichotomizing a variable in spss columbia university.
You can also recode variables in place into same variables instead of recoding them into new variables. Grouping and recoding variables richard buxton and rosie cornish. Recoding variables in spss statistics introduction. If you select multiple variables, they must be the same type numeric or string. To do so in spss, we should first click on transform and then recode into different variables. First, if you are creating cutpoints for a date variable, use the visual binner transform visual binner. Creating and recoding variables stata learning modules. To do this, click on transform, then recode, and then make sure to click on into different variable. Transform includes several options to change current variables. In spss, recoding categorical string variables to numeric codes and converting blank strings to missing values can be done automatically using automatic recode. You can recode single values, ranges of values, and missing values. This will create a new variable containing our new grouped values. Jun 12, 2018 spss, transform data, one variable, into ten different variables.
Recode changes to codes of one or more variables varlist1 according to a list of specifications enclosed in parentheses. Analyze includes all of the commands to carry out statistical analyses and to calculate descriptive statistics. How do i recode multiple nominal variables into one. In order to use these as variables in the example, we will make certain assumptions and methods to prepare the data for the t test. Recoding variables spss tutorials libguides at kent. You type in new variable names on your new variables, i have typed in att1 and. Now, under new value select value and type in the code for this group. The recode command only accepts the numeric value of date variables. Full syntax recode varlist erule erule if in, options. Click the arrow in the center to move the selected variable to the center text box, b. Sep 26, 2012 transforming or recoding numeric variables into converted numeric or catergorical variables. Recode is used to change the values of one variable into other values. Choose this menu item, select the yeargroup variable from the list on the left hand side and give the output variable the.
Recoding variables in spss statistics recoding a given. I wonder if it is possible not only to combine different variables into one variable via compute or transform in spss but to add subcategories to that variable too. However, if you wish to recode these variables into new variables, for each variable a separate recode command line is necessary. Recoding variables in spss menus and syntax the analysis. The command into same variable replaces existing data with new values, but the command into different variables adds a new variable to the data set in almost every situation, you want to use into different variables. The instructions below will show you how to recode variables. That is, the changes do not overwrite the original variable. But the problem is, for some variables, 9 or 99 might be the real values. In this video i explain when you should recode the values of variables, why you should do that and how you do it. Spss certain things about your data and you will do this in the variable view window. The recode command is most often used to transform categorical variables, which are many times value. Spss tutorial 6 recoding into different variables youtube. Download and install the spss recode values with value labels tool.
Click on rightarrow button and type in name of new variable, then press change. A step by step guide to recoding age variables into generational groups in spss. Home blog february 2019 spss recode simple tutorial spss recode replaces data values with different values. Using spss to transform variables university of dayton. Downloaded the standard class data set click on the link and save the data file. Do not forget to remember the change button if not recode your command will fail. Recoding variables in spss menus and syntax the analysis factor. It is convenient to analyze if recoding them into missing. I realize that it is much more practical to use ten different variables, as these 10 values are attributes to one casemeasurement in my experiment. If you select multiple variables, they must all be the same type. Click arrow button to put your variable into the right window 4. You can define values to recode in this dialog box. Click over the diff variable, because you want to recode it. First, you must choose the variable which you are recoding and name the output variable which will hold your new value.
First, if you are creating cutpoints for a date variable, use the visual binner transformvisual binner. In spss, we sometimes need to reverse code variables so that higher values. You can recode numeric variables into string variables and vice versa. We recommend recoding into a different variable, allowing you to retain the original variable that your. This page is written for spss users, who are trying to replicate the spss features of transform recoding into same variables or transform recoding into different variables key differences between spss and q with recoding. If the into keyword is present followed by a list of target variables the result is stored into the target variables list one or more variables, otherwise the variables are changed in place. I would like to recodetransform all of the blanks to 0 and the one cell that has. Remember that you will need to use an end if command at the end of your doloop. You cannot recode numeric and string variables together. Spss, transform data, one variable, into ten different variables. To build an expression, either paste components into the expression field or type directly in the expression field.
In spss, values determine both how means are computed and how percentages are computed on tables. Recode into different variables ibm knowledge center. How to recode data in spss york st john university. If youd like to download the sample dataset to work through the examples. We use spss to transform the data from both variables. An spss companion book to basic practice of statistics 6th edition. Transforming or recoding numeric variables into converted numeric or catergorical variables.
Screenshots of every step is provided in an easy to follow tutorial of how to change or transform a list of ages into generational categories in spss. Recode v1 to v3 01 10 2,31 99 elsesysmis into w1 to w3. The above works because it is intutive for spss to interpret and expand out w1 to w3 to equal w1, w2, w3. Enter an output new variable name for each new variable and click change. To recode values of a variable into a new variable. May 06, 2015 this video demonstrates using the recode into different variables feature in spss. Add variable to variable output place names and labels for the new variables, such as agegroup, then click the change button to notify spss variables that you want to recode.
As the name implies, recode means replace some or all codes of a variable by new, different codes. To recode into different variables, click transform recode into different variables. What automatic recode does is, its not recoding the cases,its not ranking. Select transform recode into different variables from the menu in spss. The recode into different variables window will appear. After downloading my survey to spss, i noticed my values for yes no. Sometimes its necessary to change several values in your data set. It shows you the distribution and allows you to enter cutpoints in the date format of the variable in question. Recoding variables in spss statistics single values. One is called, recode into same variables and the second, recode into different variables in the interest of not writing over any data, i recommend that you use the recode into different variables option. Recode the data giving code 1 to scores between 75 100, code 2 to scores between 61 74, code 3 to scores between 41 60 and code 4 to scores between 0 40. Spss recode values with value labels spss tutorials.
Creating and recoding variables stata learning modules this module shows how to create and recode variables. In this case, we will make a total of two new variables 3 groups 1 2. Dichotomizing a variable in spss filtering out missing values 1. You may have noticed earlierwhen we were recoding variables,that when we went to the transform menu,underneath the recode into same and different variableswas an alluring alternative,and thats the automatic recode. You really should avoid alphanumerics, though, and there is a simple way to make the data better. Click old and new values and specify how to recode values. In ibm spss statistics, people frequently have categorical variables with lots of values. In stata you can create new variables with generate and you can modify the values of an existing variable with replace and with recode.
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