The new string values cannot be longer than the defined width of the target variable. 1 Introduction Recoding may be needed in a number of diﬀerent situtions: • To categorise a continuous variable. IF (score > 90) grade=4. Recoding can be done in one of two ways: In this guide, we will concentrate on recoding into a different variable, for which there are 3 main types of recoding: We will use an example of each type in order to demonstrate how to recode variables in SPSS Statistics. Repeat for all other values, such that you are presented with the following screen: You will have returned to the previous screen and will now have to click on the. All examples use supermarket.sav. EVENT_TIME is in hh.mm..ss format and ranges from 0:0:0 to 23:59:59. Select the string variable of interest in the left column and move it to the right column. RECODE famimpor workimpo chldimpo (4,3=2) (ELSE=1). Rather than using the recode command, use an if statement like this: recode work_1 to work_8 (1 = 100). Resolving The Problem. This method tells SPSS exactly how to map each old category onto a new category. 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. I have an spss datafile which separated responses from two groups of participants on the same survey question into two variables in SPSS (i.e. I have an SPSS Statistics data file where each record represents an event that occurred in our work place. The easiest way is to let SPSS automatically do it for you. In SPSS you can create new variables with compute and you can modify the values of an existing variable with recode. That is, there must be valid values for each input variable in order for the computation to work. In this section, we will learn about the Recode function in SPSS.Recode function is located in the Transform menu, and it comes into two varieties Recode into the same variables and Recode into different variables like this:. However, if you wish to RECODE these variables INTO new variables, for each variable a separate RECODE command line is necessary. Basically, they are the questions items of a scale, and there are 15 questions for measuring the different dimensions of personality. Remember that the SPSS variable name must be no more than 8 characters long, consist only of numbers and letters, and must start with a letter. The same is true for creating hirt1 from trialr1. This tutorial will introduce you to the Variable View tab in SPSS, and teach you how to define variables – that is, specify their various parameters – within this view. It isn’t unusual for this data to have been entered as string values — alphanumeric characters. Perhaps you want to change marital status so that married people and those in common-law relationships are counted as the same. That depends on what metric the original variables are in. Then click on the New Name button. You can recode numeric variables into string variables and vice versa. = 1) using PIN(1 1)(variable_1 to variable_5) I'm struggling to figure out the syntax for doing this in SPSS. Do not forget to remember the Change button if not recode your command will fail. This module shows how to create and recode variables. This was done to ensure that our demographic variables can be analyzed together with the dependent variables. It also adds the string value as a label to the numeric value. In this example, we will call the new variable MAJORNUM. I am trying to build a syntax. (If you have value labels, perhaps you should change these now accordingly). It comes in handy for merging categories, dichotomizing continuous variables and some other tasks. To automatically recode variables: Click Transform > Automatic Recode. can be addressed in one RECODE statement, provided that all variables are to be affected in the same way, as in the following example. (Don't forget to click on the New Name button after typing the variable name): Click on OK to perform the recoding. 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. Click Transform > Recode into Different Variables. Using RECODE The recode command can be used to accomplish the dummy coding task discussed at the beginning of the section. So we will learn when we use these two different functions. Unfortunately, copying the variable labels from the old to the new variables requires some more work but this can be automated with Python if desired. Recoding Variables in SPSS Statistics (cont...) Recoding data into two categories. Background: I have two variables based on the same item of a survey. Choose the variable you want to recode and bring it over to the Recode window. For example, you may have measured people’s BMI (body mass index) as a continuous variable but may want to use it to create groups such as underweight, normal, overweight, obese. For copying them from v2 into rec_v2 we'll use (ELSE = COPY). For example, suppose you have two variables (v1 and v2), and you wish to recode all cases of v2 to be equal to the system missing value where v1 is also system missing. Suppose you have a variable score that you need to collapse into five distinct categories in a new variable grade:. 2 Put the variable you want to recode in the Input Variable → Output Variable box. The top bar is the variable that correlates to large, the second is the variable that correlates to small. Join the 10,000s of students, academics and professionals who rely on Laerd Statistics. Creating a new SPSS Statistics data file consists of two stages: defining the variables and entering the data. newval specifies the new values to replace oldvalues. You cannot recode numeric and string variables together. Start by clicking on the Transform menu in the horizontal toolbar at the top of the screen. In case of doubt we can always check the recoded variable against its clone and if necessary delete it and start over from a new clone. For this example, we want to code a variable to categorize level of education (educ_cat). there is no need to explicitly recode them, you can just assume they … Or we might want to make loglen which is the natural log of length. This is also the reason that there's no point in specifying any old values after the ELSE keyword. Just make sure that the number of input variables matches the number of output variables.This example uses LO THRU 3 which means “the lowest value through 3”. add files file */drop leis_1 to id. Is it possible, if more than one choice is indicated , for the recode to use a priority system in choosing which one to specify in the new variable? variable level work_1 to work_8 (scale). I wish to create a categorical variable which represents the 3 shifts in which the events occurred. For example, the following data set has certain variables. RECODE famimpor (4=3). If the new values are shorter than the defined width of the target variable, the values are right-padded with blanks. The reason why we need two quotes in don''t know is explained in Escape Sequence (General Concept). Defining the variables involves multiple processes and requires careful planning. Recoding and Creating Variables This chapter discusses different ways to recode variables in SPSS and ways to create new variables. The syntax below looks a bit awkward but is not unusual. Example: The data given below represents the scores of 10 students in a final examination. If so, it automatically declares the new string variables with the correct lengths that are needed for recoding into. Note that you'll often want to apply or adjust some value labels after recoding. This creates a dichotomous variable with cut-off point between 2 and 3. This tutorial walks you through its main options, best practices and pitfalls. 5. Some more options than described here are covered by the command syntax reference.eval(ez_write_tag([[300,250],'spss_tutorials_com-leader-1','ezslot_5',114,'0','0'])); document.getElementById("comment").setAttribute( "id", "ae3d53e2a5e88b779120005f380def8c" );document.getElementById("e6b3f439ac").setAttribute( "id", "comment" ); Hi Brandon! *Convert variables to numeric. Click on T ransform > R ecode Into Different Variables... in the top menu. Let’s use the auto data for our examples. Example: The data given below represents runs scored by 5 batsmen in a national-level match. You will also need to do this for the data to be added. Values are recoded only once by RECODE. As explained in the "Get File" and "Save File" chapters, existing variables can be renamed either when retrieving or saving data. Recoding Variables in SPSS Statistics (cont...) Recode a given range in SPSS Statistics. In this case, pick Into Different Variables. Let's use the compute command to make a new variable that has the length in feet instead of inches, called lenft. Written and illustrated tutorials for the statistical software SPSS. You really should avoid alphanumerics, though, and there is a simple way to make the data better: the Automatic Recode command. This procedure will divide your sample into groups (e.g. This can easily be achieved with the "rename variable" command. A crosstab confirms that categories 1 and 2 have been merged into 2. SPSS handout 3: Grouping and Recoding Variables Richard Buxton and Rosie Cornish. Once again, suppose you wanted to create a dummy variable from trial1 with a cutpoint of 2. The easiest way is just to type it in. All other values remain unchanged, too. The most common cause of this error is a variable list that contains one or more undefined variables, and the variable list is not preceded by the optional VARIABLES keyword. So the first variable (henceforth referred to as Var1) is the rating of whether the certain item is performed. Make sure that you know precisely how to use SPSS when you’re playing around with variables. Now that we're done, our new string variables are redundant so let's remove them. You'll soon notice that recoding from syntax is very simple and way, way faster than from the GUI. In IBM SPSS Statistics, people frequently have categorical variables with lots of values. Finally, note that RANK offers an alternative for discretizing variables.eval(ez_write_tag([[250,250],'spss_tutorials_com-large-leaderboard-2','ezslot_2',113,'0','0'])); A disadvantage of recoding into new variables is they don't have any dictionary information by default. This example shows some disadvantages of recoding into new variables. This is done by using the INTO keyword like sorecode v2 (1=2) into rec_v2.However, this doesn't tell which values rec_v2 should hold if v2 is not 1, resulting in lots of system missing values. In the Output Variable area, … 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 Rather than using the recode command, use an if statement like this: The new string values cannot be longer than the defined width of the target variable. In SPSS, you have two options for collapsing and recoding continuous variables: the IF command and the RECODE command. Enter a new name for the autorecoded variable in the New Name field, then click Add New Name. We can use the recode command to create the variable hit1. All values that are not 1 are left unaltered. However, we can clone a variable with its dictionary information by combining RECODE with APPLY DICTIONARY. A step by step guide to recoding AGE variables into generational groups in SPSS. In this section we will see how to create new variables … So we will take question no 1, 3, 7, 11, 13. SPSS Recode Variable. Specific topics discussed include the following: In SPSS, you can have 2 or more data files open at once (this is better avoided at all times). The company would like to code all those who responded by giving ratings above 5 a "Satisfactory" code and those below 5 a "Dissatisfactory" code. On top of that, all variables still have their original names and order. Collapsing a numeric variable into groups One method to create groups from a numeric variable is Visual Binning. For quickly getting very proficient with RECODE it's recommended you follow along with the examples. new string variable, declare the variable with the STRINGcommand before specifying it on RECODE. Generally, if they are integers (1, 45, etc.) This means that "under the hood", date-time variables are actually integers! 1 Choose Transform, Recode, Into Diﬀerent Variables. *Set formats to percentages. For example, if you are grouping BMI you might use the name ’BMIgroup’. The instructions below will show you how to recode variables. Follow the steps below to see how to do this. SPSS Chart Builder - Basic Steps. Keep in mind that you can RECODE and apply value labels to many variables at once. After recoding we must respecify the value labels for all three variables. If I understand correctly, you're not looking for RECODE because -9999 will not be changed into a different number. 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