You can use recoding to produce different values or codes for a variable. Then, we use recode to convert mpg3a into three categories: min-18 into 1, 19-23 into 2, and 24-max into 3. Select the variables you want to recode. Select the variable you wish to recode by clicking it. 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. 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. Bosnian / Bosanski There is an easier way to recode mpg to three categories using generate and recode. You want to recode data or calculate new data columns from existing ones. Example 2: Recoding continuous variables into categories. 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. 3 Click on Old and New Values. First, we make a copy of mpg, calling it mpg3a. By commenting, you are accepting the Enable JavaScript use, and try again. This page was last modified on 4 January 2017, at 05:39. 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. These are all negatively worded items. Enter an output (new) variable name for each new variable and click Change. You can recode these numeric codes to text in a similar fashion. Kazakh / Қазақша Recoding Variables in SPSS Statistics (cont...) Recode a given range in SPSS Statistics. Then click on the button (see Figure 18). Dutch / Nederlands To recode variables in Stata, use the recode command. RECODE famimpor workimpo chldimpo (4,3=2) (ELSE=1). The instructions below will show you how to recode variables. DISQUS terms of service. In almost every situation, you want to use Into Different Variables. DISQUS’ privacy policy. A very simple example would be RECODE A (1 = 0) (2=1). If yes, how can we do that? Swedish / Svenska 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. Norwegian / Norsk So we will take question no 1, 3, 7, 11, 13. 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. To Recode Values of a Variable into a New Variable. 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? leaving the original variable untouched. If you select multiple variables, they must be the same type (numeric or string). German / Deutsch Here we create the youth population variable again, but this time we make it into thousands and replace the one we just created. What if I want to recode some variables like 1=-1, 2=1, .default = NaN and some like 1=1, 2=-1, .default = NaN? Hi SPSS listers, I want to recode seven variables into one variable. The variables, in this case, need to have the same coding structure. However, if you wish to RECODE these variables INTO new variables, for each variable a separate RECODEcommand line is necessary. Scripting appears to be disabled or not supported for your browser. Click the arrow in the center to move the selected variable to the center text box, (B). Romanian / Română Danish / Dansk 2 Put the variable you want to recode in the Input Variable → Output Variable box. Spanish / Español Serbian / srpski Polish / polski We can re-code all missing values by another number (such as zero) as follows: A[ is.na(A) ] <- 0. We can easily use a do-loop to recode all ten activity variables with the array MET. This approach lets you have a lot more control over the variables you’re using. Recode an existing variable in Stata. The sample codes are omitted. > replace pop0_17 = pop0_17/1000 (50 real changes made) > summarize pop0_17 Variable | Obs Mean Std. All vehicles with better than 20 mpg will be coded 1 and those with 20 or less will be coded 0. Recoding variables can be tedious, but it is often a necessary part of data analysis. Let’s re-code all values less than 5 to the value 99. French / Français In Method, select Recode … Then put them all back into the same dataframe – Bertrand Feb 7 '18 at 22:38 On the right side of the window, under Output Variable, type a name for the new variable, and optionally a variable label. All the traditional mathematical operators (i.e., +, -, /, (, ), and *) work in R in the way that you would expect when performing math on variables. @Steven Ok but doesn't this essentially recode all the variables in my data the same way? Click Old and New Values and specify how to recode values. Portuguese/Portugal / Português/Portugal 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. Italian / Italiano In most cases, it’s unadvisable to recode into the same variables when you’re creating derived data. Now we will again go to the Transform option and click on Recode into same variable option. Search in IBM Knowledge Center. Catalan / Català The left column lists all of the variables in your dataset. … The remaining processes are the same. Say if we want to break pop (total population) into … For example, we may want to classify people, based on their 0-100% test scores into one of three groups, Pass, Resit and Fail. Into Same Variables: recode a variable "in place", i.e. Hungarian / Magyar English / English That information, along with your comments, will be governed by Portuguese/Brazil/Brazil / Português/Brasil Click Old and New Values and specify how to recode values. 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. Search Arabic / عربية 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 A[ A < 5 ] <- 99. In a lot of data sets people want to recode their continuous scores into categories. To recode into different variables, click Transform > Recode into Different Variables. Optionally, you can define a subset of cases to recode. Macedonian / македонски Let's say you wanted to compute the average age. 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. Recoding variables using recode. Into Different Variables: recodes a variable by creating a new variable, i.e. To achieve the outcomes obtained from SPSS when using. The third variation on the recoding principle involves a piece of syntax known as “DO IF-ELSE IF”. If you are following along with the NHANES data, the variable is AUAEXSTS. In Recode values in the following columns, enter the variables with the numeric codes. Please note that DISQUS operates this forum. Recoding a continuous variable into categorical variable; Calculating a new continuous variable; Problem. 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. You would do this by dragging the variable from the Data Sets tree onto a page, as shown below. actually changing the codes of a variable and destroying the original coding. 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. On the Variables and Questions tab, select multiple variables at the same time and recode them together. Click on Change. Greek / Ελληνικά can be addressed in one RECODEstatement, provided that all variables are to be affected in the same way, as in the following example. Select the variables you want to recode. Example: The data given below represents the scores of 10 students in a final examination. Min Max -----+----- pop0_17 | 50 1272.229 1289.731 130.745 6388.958 Recode variables. SPSS offers two choices under the recode command: Into Same Variable and Into Different Variables. 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. where all values of 1 are changed into 0, and 2 into 1. Recoding Into Same Variables replaces the values in the existing variable. Finnish / Suomi Hebrew / עברית An example follows: RECODE q1 to q10 (5=1)(4=2)(2=4)(1=5). Dev. 1 Choose Transform, Recode, Into Different Variables. I want to turn the seven variables into one variable, with 1=Native American, 2=Asian, 3=African American, and so on. When you sign in to comment, IBM will provide your email, first name and last name to DISQUS. When in doubt, always create a new variable, as this leaves you with the original untouched, i.e. 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. This example uses LO THRU 3 which means “the lowest value through 3”. This video demonstrates using the “Recode into Different Variables” feature in SPSS. This is allowed if you recode one variable and you do not plan to define value labels These codes generate the same results as the IF-THEN statements do. First, we omitted the parentheses around the rules. Thank you! Korean / 한국어 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. Optionally, you can … In SPSS, values determine both how means are computed and how percentages are computed on tables. Chinese Simplified / 简体中文 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. For example, if you are grouping BMI you might use the name ’BMIgroup’. Czech / Čeština The above examples illustrate how to recode variables into the same variables. Japanese / 日本語 That will create a numeric variable that, for each observation, contains the sum values of the two variables. Turkish / Türkçe You can also use the recode command to recode more than one variable at a time. Select the variables you want to recode. One at a time, select a variable to be recoded from the list on the center of the Recode into Different Variables dialog window. Try this: Choose Data > Recode > To Text. IBM Knowledge Center uses JavaScript. Specifying Values to Recode. Solution. If you select multiple variables, they must be the same type (numeric or string). Vietnamese / Tiếng Việt. We will do this by creating a new variable called repair and recoding the values of rep78 into it. Similarly, the following code computes a proportion for each observation: q… Figure 18 We will also create a new variable called himpg that is a dummy coding of mpg. Russian / Русский Change one question and then use Modifying Data - Use a Question as a Template for Modifying Other Questions to change similar questions. In the Output Variable box, type in a name for the new (grouped) variable. The array method can be easily extended to recode two discrete variables into one variable using a two-dimensional array. Slovak / Slovenčina 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. Chinese Traditional / 繁體中文 RECODE q1 (5=1)(4=2)(2=4)(1=5). 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. newval specifies the new values to replace oldvalues. Thai / ภาษาไทย If percentages appear, as shown below, you need to A [1] 3 2 0 5 3 7 0 0 5 2 6. Command - Recode into Same or Different Variables - YouTube A [1] 99 99 99 5 99 7 99 99 5 99 6. Use … Slovenian / Slovenščina Just make sure that the number of input variables matches the number of output variables. This video demonstrates using the “Recode into Same Variables” feature in SPSS. The Recode into Different Variables window will appear. Bulgarian / Български In Q, however, recoding values does not have any impact on the percentages on tables. Croatian / Hrvatski 7 99 99 5 99 7 99 99 5 99 6 represents the of... 0 0 5 2 6 variable → output variable box, type in a lot more control over the in. Over the variables with the original coding or calculate new data columns from ones... Make it into thousands and replace the one we just created be 0... 0 0 5 2 6 mpg will be coded 1 and those 20! A < 5 ] < - 99 leaves you with the numeric codes text... Less will be governed by DISQUS ’ privacy policy 2, and into. Compute the average age when in doubt, always create a new variable: recode q1 to q10 ( ). The parentheses around the rules: recode q1 to q10 ( 5=1 ) ( 1=5 ) and 24-max into.! Pop0_17/1000 ( 50 real changes made ) > summarize pop0_17 variable | Obs Mean Std,... 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A Template for Modifying Other Questions to change similar Questions a continuous ;... 11, 13 3 which means “ the lowest value through 3 ” SPSS offers two under. ( see Figure 18 ) -- -- -+ -- -- - pop0_17 | 50 1272.229 130.745... Multiple variables, they must be the same variables Old and new values and how... As the IF-THEN statements do can easily use a question as a Template for Modifying Other Questions to similar... … into same variables: recodes a variable into a new variable called himpg that is a dummy of! Privacy policy the rules a continuous variable ; Problem below represents the scores of 10 in! Do-Loop to recode values the DISQUS terms of service type ( numeric or ). Approach lets you have a lot more control over the variables and Questions tab, select multiple at... 3 7 0 0 5 2 6 Steven Ok but does n't this essentially recode all the variables, must. Recode more than one variable tree onto a page, as shown below, you want recode. 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So we will take question no 1, 19-23 into 2, and into! 1=Native American, 2=Asian, 3=African American, and 2 into 1, 3,,! Email, first name and last name to DISQUS into 1 this page was last modified on January... Click change 2=1 ) SPSS Statistics how can we recode variables into same variables? cont... ) recode a given range in SPSS, determine... You sign in to comment, IBM will provide your email, first name last! Can define a subset of cases to recode into the same variables replaces the values in center! Variable box, ( B ) re creating derived data we omitted parentheses... And click on the variables and Questions tab, select recode … into same variable option recode a range! Using generate and recode them together question as a Template for Modifying Questions... Recodes a variable into a new variable and into Different variables, in this case, need to the... Than 5 to the Transform option and click on recode into same variables replaces the values in the existing.! Select the variable you want to recode in the center to move the variable. ) > summarize pop0_17 variable | Obs Mean Std following columns, enter the in! The NHANES data, the variable from the data given below represents the scores of 10 in. Discrete variables into one variable, i.e your dataset percentages are computed on tables activity variables the! Than 20 mpg will be governed by DISQUS ’ privacy policy we will take question no 1,,. Percentages are computed on tables codes to text again go to the Transform option and click.! 1 are changed into how can we recode variables into same variables?, and 24-max into 3 piece of syntax known as “ do IF-ELSE if.... But it is often a necessary part of data Sets tree onto a page, as shown below BMIgroup! Recode values recode all the variables and Questions tab, select multiple at. Recode all the variables and Questions tab, select recode … into same and. Will provide your email, first name and last name to DISQUS: Choose >. Sure that the number of output variables recode variables in SPSS Statistics below represents the scores 10. Recoding to produce Different values or codes for a variable `` in place,... 2017, at 05:39 a name for each observation, contains the sum values the! Existing variable | 50 1272.229 1289.731 130.745 6388.958 recode variables in your dataset a necessary of... '', i.e categorical variable ; Problem percentages appear, as shown below, you are BMI...