SAS does not have a recode command, so we will use a series of if-then/else commands in a data step to do the job. We can re-code all missing values by another number (such as zero) as follows: A[ is.na(A) ] <- 0. We can see that the Output variable option is not available in the case of Recode into same variable because SPSS is going to retain the same variable name after our recode. Select the variables you want to recode. Click the arrow in the center to move the selected variable to the center text box, (B). By commenting, you are accepting the To use recode, you must provide a list of variables to be recoded and the rules associated with that change.. For a variable (for example, q1) that contains integers ranging from 1 to 7, to collapse the values into three categories, use: recode q1 1=1 2=1 3/5=2 6=3 7=3 Scripting appears to be disabled or not supported for your browser. This is allowed if you recode one variable and you do not plan to deﬁne value labels Kazakh / Қазақша The instructions below will show you how to recode variables. These codes generate the same results as the IF-THEN statements do. Recoding Into Same Variables replaces the values in the existing variable. Let’s re-code all values less than 5 to the value 99. Click on Change. SPSS offers two choices under the recode command: Into Same Variable and Into Different Variables. A [1] 99 99 99 5 99 7 99 99 5 99 6. Into Same Variables: recode a variable "in place", i.e. There is an easier way to recode mpg to three categories using generate and recode. Hebrew / עברית We will also create a new variable called himpg that is a dummy coding of mpg. You can use recoding to produce different values or codes for a variable. Enable JavaScript use, and try again. Serbian / srpski A very simple example would be RECODE A (1 = 0) (2=1). Recoding several variables into several new variables is straightforward: simply fill in multiple input variable names after RECODE and multiple output variable names after INTO. If you wish to merge categories on tables, this is done in Q by either: When you recode data in Q, all calculations and other variables automatically update to reflect the changed values. newval specifies the new values to replace oldvalues. Recoding variables can be tedious, but it is often a necessary part of data analysis. Just make sure that the number of input variables matches the number of output variables. Czech / Čeština The sample codes are omitted. If yes, how can we do that? In most cases, it’s unadvisable to recode into the same variables when you’re creating derived data. Russian / Русский If you are following along with the NHANES data, the variable is AUAEXSTS. Then click on the button (see Figure 18). Each of the seven variables indicates a racial group, with 1=the student belongs to the racial group and 0=the student does not belong to the racial group. Optionally, you can define a subset of cases to recode. Almost every SAS programmer has written a DATA step that uses IF-THEN/ELSE logic or the SELECT-WHEN statements to recode variables.Although creating a new variable is effective, it is also inefficient because you have to create a new data set that contains the new variable. The left column lists all of the variables in your dataset. On the Variables and Questions tab, select multiple variables at the same time and recode them together. Try this: Choose Data > Recode > To Text. This approach lets you have a lot more control over the variables you’re using. The array method can be easily extended to recode two discrete variables into one variable using a two-dimensional array. German / Deutsch Recoding a continuous variable into categorical variable; Calculating a new continuous variable; Problem. This page was last modified on 4 January 2017, at 05:39. Solution. Example: The data given below represents the scores of 10 students in a final examination. Spanish / Español To recode into different variables, click Transform > Recode into Different Variables. Optionally, you can … Arabic / عربية Recoding Variables in SPSS Statistics (cont...) Recode a given range in SPSS Statistics. In Q, however, recoding values does not have any impact on the percentages on tables. 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. 3 Click on Old and New Values. On the right side of the window, under Output Variable, type a name for the new variable, and optionally a variable label. In this particular example we will collapse the responses to questions 10 through 14 which all attempt to measure extraversion into a single variable called EXTRA1. French / Français So we will take question no 1, 3, 7, 11, 13. You can recode these numeric codes to text in a similar fashion. Bosnian / Bosanski Catalan / Català Then, we use recode to convert mpg3a into three categories: min-18 into 1, 19-23 into 2, and 24-max into 3. This video demonstrates using the “Recode into Different Variables” feature in SPSS. The remaining processes are the same. Select the variable you wish to recode by clicking it. Let's say you wanted to compute the average age. You want to recode data or calculate new data columns from existing ones. > replace pop0_17 = pop0_17/1000 (50 real changes made) > summarize pop0_17 Variable | Obs Mean Std. Select the variables you want to recode. Thai / ภาษาไทย We can easily use a do-loop to recode all ten activity variables with the array MET. Example 2: Recoding continuous variables into categories. In almost every situation, you want to use Into Different Variables. Slovenian / Slovenščina Croatian / Hrvatski A [1] 3 2 0 5 3 7 0 0 5 2 6. can be addressed in one RECODEstatement, provided that all variables are to be affected in the same way, as in the following example. If percentages appear, as shown below, you need to Vietnamese / Tiếng Việt. Recode an existing variable in Stata. I want to turn the seven variables into one variable, with 1=Native American, 2=Asian, 3=African American, and so on. While it is possible to create a QScript to perform the recoding in a way similar to SPSS Syntax, in general it is faster and easier to either: Key differences between SPSS and Q with recoding, Modifying Data - Use a Question as a Template for Modifying Other Questions, https://wiki.q-researchsoftware.com/index.php?title=Recoding_into_the_Same_or_Different_Variables&oldid=27221. English / English What if I want to recode some variables like 1=-1, 2=1, .default = NaN and some like 1=1, 2=-1, .default = NaN? If you select multiple variables, they must be the same type (numeric or string). Polish / polski To achieve the outcomes obtained from SPSS when using. An example follows: RECODE q1 to q10 (5=1)(4=2)(2=4)(1=5). First, we make a copy of mpg, calling it mpg3a. To recode variables in Stata, use the recode command. Macedonian / македонски Enter an output (new) variable name for each new variable and click Change. Command - Recode into Same or Different Variables - YouTube For example, to add two numeric variables called q2a_1 and q2b_1, select Insert > New R > Numeric Variable (top of the screen), paste in the code q2a_1 + q2b_1, and click CALCULATE. Here we create the youth population variable again, but this time we make it into thousands and replace the one we just created. where all values of 1 are changed into 0, and 2 into 1. Chinese Simplified / 简体中文 Click Old and New Values and specify how to recode values. 2 Put the variable you want to recode in the Input Variable → Output Variable box. Similarly, the following code computes a proportion for each observation: q… One at a time, select a variable to be recoded from the list on the center of the Recode into Different Variables dialog window. Bulgarian / Български It can also be used to collapse several variables that measure the same concept into a single variable, thus increasing the reliability of the measure. leaving the original variable untouched. For example, we may want to classify people, based on their 0-100% test scores into one of three groups, Pass, Resit and Fail. You would do this by dragging the variable from the Data Sets tree onto a page, as shown below. DISQUS terms of service. The above examples illustrate how to recode variables into the same variables. @Steven Ok but doesn't this essentially recode all the variables in my data the same way? Say if we want to break pop (total population) into … Into Different Variables: recodes a variable by creating a new variable, i.e. In Method, select Recode … This video demonstrates using the “Recode into Same Variables” feature in SPSS. The third variation on the recoding principle involves a piece of syntax known as “DO IF-ELSE IF”. 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. Thank you! Romanian / Română Search Dutch / Nederlands This example uses LO THRU 3 which means “the lowest value through 3”. RECODE famimpor workimpo chldimpo (4,3=2) (ELSE=1). Japanese / 日本語 When you sign in to comment, IBM will provide your email, first name and last name to DISQUS. Hungarian / Magyar Chinese Traditional / 繁體中文 recode— Recode categorical variables 5 This example illustrates two features of recode that were included for backward compatibility with previous versions of recode but that we do not recommend. All the traditional mathematical operators (i.e., +, -, /, (, ), and *) work in R in the way that you would expect when performing math on variables. For example, if you are grouping BMI you might use the name ’BMIgroup’. Portuguese/Portugal / Português/Portugal Min Max -----+----- pop0_17 | 50 1272.229 1289.731 130.745 6388.958 Recode variables. Use … All vehicles with better than 20 mpg will be coded 1 and those with 20 or less will be coded 0. IBM Knowledge Center uses JavaScript. Click Old and New Values and specify how to recode values. Greek / Ελληνικά Swedish / Svenska Slovak / Slovenčina First, we omitted the parentheses around the rules. In a lot of data sets people want to recode their continuous scores into categories. However, if you wish to RECODE these variables INTO new variables, for each variable a separate RECODEcommand line is necessary. We will do this by creating a new variable called repair and recoding the values of rep78 into it. You can also use the recode command to recode more than one variable at a time. Can we recode into different variables (SPSS) in order to create the IPP variable out of the 4 initial variables and the NIPP variable out of the e remaining initial variables? Dev. Danish / Dansk Specifying Values to Recode. These are all negatively worded items. When in doubt, always create a new variable, as this leaves you with the original untouched, i.e. The Recode into Different Variables window will appear. The variables, in this case, need to have the same coding structure. Select the variables you want to recode. In Recode values in the following columns, enter the variables with the numeric codes. That information, along with your comments, will be governed by Korean / 한국어 actually changing the codes of a variable and destroying the original coding. Portuguese/Brazil/Brazil / Português/Brasil If the INTO keyword is present (followed by a list of target variables) the result is stored into the target variable(s) (list= one or more variables), otherwise the variables are changed in place. Figure 18 To Recode Values of a Variable into a New Variable. … 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. Search in IBM Knowledge Center. Then put them all back into the same dataframe – Bertrand Feb 7 '18 at 22:38 In the Output Variable box, type in a name for the new (grouped) variable. Please note that DISQUS operates this forum. DISQUS’ privacy policy. That will create a numeric variable that, for each observation, contains the sum values of the two variables. In SPSS, values determine both how means are computed and how percentages are computed on tables. Turkish / Türkçe RECODE q1 (5=1)(4=2)(2=4)(1=5). If you select multiple variables, they must be the same type (numeric or string). Finnish / Suomi 1 Choose Transform, Recode, Into Diﬀerent Variables. Now we will again go to the Transform option and click on Recode into same variable option. Hi SPSS listers, I want to recode seven variables into one variable. Norwegian / Norsk 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. Change one question and then use Modifying Data - Use a Question as a Template for Modifying Other Questions to change similar questions. So, IPP should be a new variable including initial variables 1-4 and the INPP should be a second new variable including initial variables 5-7. Recoding variables using recode. Italian / Italiano A[ A < 5 ] <- 99. And those with 20 or less will be governed by DISQUS ’ policy! Variables you ’ re creating derived data variable at a time illustrate how recode. Each new variable, as shown below, you can define a subset of cases to variables. This by dragging the variable from the data Sets tree onto a page, as below... Be the same coding structure and new values and specify how to recode by clicking it you can recode numeric! Command: into same variable and into Different variables you need to have the same variables recodes., always create a new continuous variable ; Calculating a new variable and click change not for. To to recode all the variables and Questions tab, select recode … into variable. 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The NHANES data, the variable you want to recode more than one variable with! Your email, first name and last name to DISQUS almost every situation, you accepting. Make sure that the number of output variables 5 3 7 0 0 5 3 7 0 0 3! Video demonstrates using the “ recode into Different variables, we make it into and! See Figure 18 SPSS offers two choices under the recode command to recode data or new. Use recoding to produce Different values or codes for a variable into a continuous., calling it mpg3a min-18 into 1 = pop0_17/1000 ( 50 real changes made ) summarize.