how can we recode variables into same variables?

how can we recode variables into same variables?

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

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