Here is the full collection of possibilities among SPSS Syntax language variables: Name: Short form of the variable name. but you can use an IF condition involving multiple variables: To create a new string variable within a DO IF—END IF structure, you must first declare the variable on the STRING command. There are two ways to do this in SPSS syntax. The … And so on. I need to create a new variable based on 3 variables. Say we'd like to convert people's monthly income into income classes. in the Target Variable window, type the new value in the Numeric Expression window, then click on the If button. If you recode your ages into groups and then save it as age, you lose all of your detail (all of the individual ages). This tutorial covers how to create a new dataset in SPSS by manually entering data. Then add the expression to the Numeric Expression field. In general, it is best to recode a variable into a different variable so that you never alter the original data and can easily access the original data if you need to make different changes later on. Alternatively, you can also use SPSS functions with compute commands. DISQUS’ privacy policy. In the first method, if any of the variables are missing, due to SPSS’s default of listwise deletion, Newvar will also be missing. Note that you can shorten the comman… works fine. Color-Coding execute. EXECUTE. Type: Numeric, comma, dot, scientific notation, date, dollar, custom currency, or string. A good example is to add the suffix ‘_avg‘ to the variable name to signify that it is a mean. In SPSS syntax, placing an asterisk (*) or a forward-slash followed by an asterisk (/*) at the start of a line will turn all text on that line into a comment. You can specify the condition (such as GENDER=1 or RACE=1 AND REGION=3) and then click on the Continue Button. One of the places that SPSS syntax excels at efficiency is when you’re creating new variables. To create a new string variable within a DO IF—END IF structure, you must first declare the variable on the STRING command. Example. Please see our SPSS FAQ: What kinds of new variables can I make with the create command? The term $SYSMIS refers to system-missing values. Nested DO IF Structures (DO IF command) To perform transformations involving logical tests on two variables, you can use nested DO IF—END IF structures. SPSS Missing Values Functions • Each row holds the data from a participant or “case” • Each column holds the data for a variable After specifying the information for each variable using else if gender = 1. recode monthly_income (lo thru 2500 = 1)(lo thru 3000 = 2)(lo thru hi = 3) into income_class. The case then falls out of the DO IF structure and SPSS goes to the next case. Like so, the syntax below creates full_name by concatenating the respondents' name components. DO IF—END IF structures can be nested to any level permitted by available memory. RECODE anemia (12 thru hi = ...)(else = ...) INTO ... I very strongly encourage you to create a new variable instead of simply changing the old variable. Thanks!! add a comment | Your Answer Thanks for contributing an answer to Stack Overflow! You'll need IF for doing so. RECODE whours (160 = 36.95)(180 = 41.57). Second, RECODE can only set values based on a single variable. Newvar=MEAN(X1,X2, X3, X4, X5). share | follow | answered Dec 19 '13 at 13:21. We will therefore give it the shortened name in SPSS of ‘bothasp’. SPSS will create a new variable and place it to the far right in the data set. missing values doctor_rating to facilities_rating (6). The Type and Label button allows you to assign a variable label to the new variable as well as to declare the new variable's format such as string (alphanumeric) or numeric. if(gender = 0 & whours >= 36) fulltime = 1. The second option uses RECODE and DO IF instead of IF. By commenting, you are accepting the if(any(city,1,2,5)) filt_1 = 1. The logical expression on the second IF command tests whether DEPT equals SALES. You should do so only if either you can reconstruct the original values from the new ones (this would be possible only in the last example!) Now that we have our data file read into SPSS, let’s create some new variables. This quick tutorial will show you how to create a unique identifier for each case – i.e., each person, experimental subject, etc – within a data set in SPSS. For example, if you want to generate the variable temp, which equals the system missing value, the syntax would look like this: COMPUTE temp = $sysmis. Be aware that there is no “then” in SPSS. Something really wierd is happening now. Note, however, that RECODE becomes tedious insofar as we must correct more distinct values. or if you are damn sure that you have a valid copy of your data set elsewhere. if(sysmis(overall)) overall = q1. Next, if we'd run a histogram on weekly working hours -whours- we'd see values of 160 hours and over. Search in IBM Knowledge Center. One of the places that SPSS syntax excels at efficiency is when you’re creating new variables. If so, the variable RATE is set to 0.02. Example 1: Inputting string variables into a new data set . The syntax below demonstrates this, using employees.sav. This is the reason why Kazakh / Қазақша So we'll divide weekly hours by 4.33 but only for cases scoring 160 or over.eval(ez_write_tag([[580,400],'spss_tutorials_com-medrectangle-4','ezslot_1',107,'0','0'])); We could have done this correction with RECODE as well: Danish / Dansk Ask Question Asked 3 years, 10 months ago. English / English If I try to recode via the graphical interface it recodes and creates a new variable. In the ‘Numeric Expression‘ box, enter the function ‘MEAN()‘. Create ID Number in SPSS. In SPSS, IF computes a new or existing variable For new string variables, we must first create new (empty) variables with the STRING command. In SPSS the command to do this is called Compute. Let’s create this new variable using the menus: Transform > Compute. Typically, comments in SPSS syntax are color-coded with the color gray. Polish / polski Portuguese/Portugal / Português/Portugal Learn how to create a new, grouping variable in SPSS using the "Transform" - "Compute Variable" command in SPSS. Your comment will show up after approval from a moderator. Croatian / Hrvatski SPSS can compute only existing string variables. I was wondering if there was a syntax to select all account names that include a certain string of text. by . Swedish / Svenska Thai / ภาษาไทย In this section we will see how to create new variables with compute. Our syntax ends with a MEANS table showing minima, maxima, means and standard deviations per gender per group. SPSS will not create the new variables unless we issue either the execute command or a procedural command (whether or not the procedure involves the newly created variable). Viewed 195 times 1. Italian / Italiano SPSS will not create the new variables unless we issue either the execute command or a procedural command. Re: How to square a variable in SPSS 19: Rich Ulrich: 6/27/11 4:59 PM : On Sun, 26 Jun 2011 23:26:42 -0700 (PDT), L Rapeli wrote: COMPUTE is the SPSS keyword, COMPUTE new= old*old. One problem is that all the above examples change the original values of the variable. For analyzing a selection of cases, use FILTER or SELECT IF instead. Note that if you want to set a a variable equal to a missing value in a COMPUTE statement, use the syntax var=$SYSMIS. I used to calculate scale totals using the following SPSS syntax: [box] COMPUTE vartotal = (var1 + var2 + var3 + var4 + var5 + var6 + var7 + var8 + var9 + var10) / 10. I have a data base of patients which contain multiple variables as yes=1, no=0. SPSS will create a new variable and place it to the far right in the data set. Hitting the Enter key will create a new, un-commented line. The general form of the syntax for computing a new (numeric) variable is: COMPUTE NewVariableName = formula. Like so, our last example shows a different route to flag fulltime working males and females using different criteria. document.getElementById("comment").setAttribute( "id", "a8e68aa88197fbc0c743798759a6395e" );document.getElementById("hf38fc8709").setAttribute( "id", "comment" ); A nice way to do this is using the ANY function. Active 3 years, 10 months ago. The syntax below first computes our flag variable -born80s- as a column of zeroes. This new variable will be used to identify and split the file for subsequent analyses. This gets us what we want however, as can be seen in the screenshot below, the new “Numeric_Zip” variable is currently set as a “Scale” variable. Be sure to return to the “Select Cases” window and click the “All Cases” radio button when you want to In the new Compute Variable window, first enter the name of the new variable to be created in the ‘Target Variable‘ box.. Search SPSS evaluates case criteria as "true" or "false." John, this will create a new variable called IndexOfHomeOwnership with 4 groups. The advantage of doing this is it disambiguates cases that might otherwise be confused – for example, if you had two John Smiths in your sample. for a selection of cases. Color-Coding In the above example, SPSS looks at a case and asks "VAR1=1 and VAR2=2: true or false?" Assume we have variable famimpor with values 1, 2, 3 and 4, measuring how important having a family is for the respondent. If the new values are shorter than the defined width of the target variable, the values are right-padded with blanks. The Execution area allows you to choose how to create the new variable. As with most operations in SPSS, this can be performed either using a menu or using command syntax. Quick Steps. Hungarian / Magyar /*Do whites + DO IF (Gender EQ 2). Using the menu . Spanish / Español DO IF(gender = 0). Example 1 - Flag Cases Based on Date Function, Example 2 - Replace Range of Values by Function, Example 3 - Compute Variable Differently Based on Gender. As with most operations in SPSS, this can be performed either using a menu or using command syntax. SPSS String Command Commands that pass values into variables, most notably COMPUTE and IF, can be used for both existing and new numeric variables. /*White female + COMPUTE Gender_Ethnicity=3. *Required field. Example data were collected on anemia, Hb level <12 is For example, if I have a SPSS file that has 3 million account names, I'd want to look at only the account names that have a / TKS at the end. Also covered is the difference between row numbers (which are a part of the spreadsheet) and ID variables (which are a part of the dataset and act as case identifiers). Next, we'll use a different RECODE command for males. EXE. Does anyone know an easy way to square a variable in spss 19, that is, to create a new variable by multiplying the values of a variable by itself? Be sure to return to the “Split Files” window and click the “Analyze all cases” radio button when you want to go back to analyzing all the data together !!!!! I have done this in the past but I can't remember how I did it. Bulgarian / Български SPSS … The final EXECUTE can probably be left out. An SPSS data file contains variables, which are like columns on a spreadsheet, and observations (or cases or subjects) which are like the rows on a spreadsheet. When creating variables, the SPSS keyword to will create variables with consecutive numbering. French / Français First off, RECODE only replaces (ranges of) constants -such as 0, 99 or system missing values- by other constants. Example. Setting User Missing Values. DISQUS terms of service. So we need to use different formulas based on gender. RECODE famimpor (4=3). The new ID variable contains a unique identifier for each case in the data set. You don't really need the parentheses either but I encourage to use them for making the whole thing more readable. Even Kim Jong Un wouldn't claim he works 160 hours per week! SPSS Syntax- new variable based on 3 variables. Creating a New SPSS Dataset -- Variable Specification and Data Entry When you open SPSS you will see the Data Editor This shows the Data View of the editor. However it changes the original column values which is not what I want. We may want to use different cut off points for male and female respondents. Dutch / Nederlands In the last example, we will show how to removed unwanted characters from a string variable. That information, along with your comments, will be governed by By default new variables created in this dialog box are numeric. Written and illustrated tutorials for the statistical software SPSS. There must be an END IF command for every DO IF command in the structure. COMPUTE new_var=4. Let’s use the auto data for our examples. Arabic / عربية Let's use the compute command to make a new variable that has the length in feet instead of inches, called lenft. the name for the new variable to create. In SPSS syntax, placing an asterisk (*) or a forward-slash followed by an asterisk (/*) at the start of a line will turn all text on that line into a comment. This module demonstrates how to subset data based on variables (using the keep and drop subcommands on the save command) and how to subset observations using the select ifcommand. Vietnamese / Tiếng Việt. Here you can create new variables. Here you can see the final result. Or we might want to make loglen which is the natural log of length. Turkish / Türkçe After doing so, we can set their values with COMPUTE. The new variable will provide us with a notion of the general educational aspirations of boththe parents and the student themselves. In SPSS the command to do this is called Compute. This is especially true when you’re creating a LOT of new variables, but even one or two can be quicker if you write the syntax code instead of menus. In the second method, if any of the variables is missing, it will still calculate the mean. In the first example, we use the lag function to create the new variable nvcr1, which is num1 lagged by 1. We then set it to one if the year -extracted from the date of birth- is in the RANGE We'll do so by using the last 5 variables in hospital.sav. And just as importantly, you’ll have documentation for exactly how you created them. Saving a smaller datafile with only a subset of variables. RECODE famimpor (1,2 =1) (3,4 = 2). or alternatively missing values doctor_rating to facilities_rating (6). [/box] So, this would create one new variable “vartotal” which would be the average of all 10 items. Hebrew / עברית You can't RECODE a function -mean, sum or whatever- into anything nor recode anything into a function. Bosnian / Bosanski Enable JavaScript use, and try again. See your SPSS on-disk … The new string values cannot be longer than the defined width of the target variable. The main differences between DO IF and IF are thateval(ez_write_tag([[250,250],'spss_tutorials_com-large-leaderboard-2','ezslot_5',113,'0','0'])); In many cases, RECODE is an easier alternative for IF. In our first example, we show how to input string variables into a new data set. Russian / Русский Hi, I am new on SPSS, I hope you can provide some insights on the following. Please note that DISQUS operates this forum. Norwegian / Norsk So, I recode this overlapping range for gender in SPSS. Sometimes data files contain information that is superfluous to a particular analysis and y… In Syntax, you can define several different characteristics for each of your variables. ELSE. This creates a dichotomous variable with cut-off point between 2 and 3. For example, CAT1 CAT2 CAT3 CAT4 CAT5 CASE 1 0.75 0.82 0.85 0.90 0.95 CASE 2 0.65 0.75 0.82 0.87 0.95 In the first method, if any of the variables are missing, due to SPSS’s default of listwise deletion, Newvar will also be missing. However, they can't be used for new string variables; you must first create one or more new, empty string variables before you can pass values into them. They can be nested within LOOP—END LOOP structures, and loop structures can be nested within DO IF structures. I'm trying to write syntax in SPSS that uses the compute variable command to create a new variable that looks at 5 other scale variables and finds the minimum variable among the five with a value greater than or equal to 0.80. They can be nested within LOOP—END LOOP structures, and loop structures can be nested within DO IF structures. Using the menu. SPSS provides the tools to quickly create a new variable. However, “fulltime” means 40 hours for male employees and 36 hours for female employees. Th… There are two ways to do this in SPSS syntax. Before discussing SPSS missing values functions, we'll first set 6 as a user missing value for the last 5 variables by running the line of syntax below. DO IF (Ethnicity EQ 5). Some SPSS users may be familiar with DO IF. Czech / Čeština you can't recode 2 variables into one Examples of procedural commands are list, regression and crosstabs. the part any(city,1,2,5) means city = 1 or city = 2 or city = 5. Home; Getting Started with SPSS. SPSS will process the DO IF command for this case and say "VAR1=1: true" and go to the COMPUTE command so NEW_VAR=1. The IF command below does just that. Finnish / Suomi is perfectly possible. EXECUTE. If your variables are contiguous in the file you can use the SUM command using TO to specify the variables in simple syntax. This table -shown below- is a nice way to check the results.eval(ez_write_tag([[300,250],'spss_tutorials_com-banner-1','ezslot_4',109,'0','0'])); The maximum for females not working fulltime is below 36. Newvar=(X1 + X2 + X3 + X4 + X5)/5 or. We'll now flag cases who work fulltime. I want to create a new databased that only includes the selected 14 variables. RECODE famimpor (1=4) (2=3) (3=2) (4=1). That’s it. The goal is to create a new variable, in the example it's Temperature on Day of Interest, that has the same value as the day it corresponds to (e.g. In almost every situation, you want to use Into Different Variables.Recoding Into Same Variables replaces the values in the existing variable. I hope you found them helpful. Also covered is the difference between row numbers (which are a part of the spreadsheet) and ID variables (which are a part of the dataset and act as case identifiers). However, weeks only hold (24 * 7 =) 168 hours. Catalan / Català for female and <13 is for male. SPSS Syntax Language Variable Definitions. This is especially true when you’re creating a LOT of new variables, but even one or two can be quicker if you write the syntax code instead of menus. German / Deutsch The account name could like like Stack Overflow / TKS. COMPUTE new_var = 3. SPSS Syntax to COMPUTE a new variable • Type the compute statement(s) with the new variable and the formula into the SPSS Syntax Window • Highlight the statement(s) • Click on the big green (run) arrow near the top of the window (under “Tools”) COMPUTE totalpet = reptnum + fishnum + mamlnum. Multiple target variables are allowed. Recode into Different Variables and DO IF syntax create a new variable without modifying the original variable, while Recode into Same Variables will permanently overwrite the original variable. All other values remain unchanged, too. You can get around this limitation by combining RECODE with DO IF, however. < 13 is for female and < 13 is for male employees and 36 for! Accordingly ) spss syntax create new variable if account name could like like Stack Overflow / TKS this limitation by RECODE... Every DO IF structures spss syntax create new variable if be performed either using a menu or using command syntax example shows different... 'D like to convert people 's monthly income into income classes bothasp ’ nested to any level permitted available... On 3 variables the first example, we show how to create a new set! Command in SPSS syntax language variables: name: spss syntax create new variable if form of the variables is missing, it will calculate! Variables replaces the values are shorter than the defined width of the Target variable i.e! Value 4 to value 3 respondents ' name components actually computed or set places SPSS! Short form of the system missing value into... END IF command in using! Select all account names that include a certain string of text the `` Transform '' ``. = sum ( X1, X2, X3, X4, X5 ) SPSS it is interpreted syntax. Efficiency is when you sign in to comment, IBM will spss syntax create new variable if your email, name... ] so, this can be nested within LOOP—END LOOP structures, and LOOP can... I try to RECODE via the graphical interface it recodes and creates a new dataset in SPSS ‘. All 10 items 0 and anemia < 12 )... =... ) into Numeric_zip can use basic... New dataset in SPSS 1,2 =1 ) ( else =... or alternatively DO IF,.. Second option uses RECODE and DO IF, however or whatever- into anything nor RECODE anything into a string., un-commented line FILTER or select IF instead that it is interpreted as syntax and to., please throw me a comment | your Answer Thanks for contributing an Answer to Stack Overflow /.! Creates full_name by concatenating the respondents ' name components set values based a! Every situation, you ’ re creating new variables with consecutive numbering them for making whole... This in a conditional statement = 1 or city = 2 ) using different.! The corresponding rows ] mean ( ) ‘ criteria as `` true '' ``... A smaller datafile with only a subset of variables this latter option will not create the new variable the..., X2, X3, X4 spss syntax create new variable if X5 ) /5 or gender EQ 2 ) /... S use the newly created variable dot, scientific notation, date, dollar, custom,! To create a new data set really need the parentheses either but I encourage to them... No “ then ” in SPSS thru hi =... ) ( 180 41.57... Called compute were collected on anemia, Hb level < 12 is for male employees and 36 for... … hi, I am new on SPSS, let ’ s asks `` and. Most out of this tutorial presented a brief discussion of the variables is missing, will... Create the new ID variable contains a unique identifier for each of your on-disk. The name of the variables is missing, it will still calculate the mean RANGE gender... Working hours -whours- we 'd run a histogram on weekly spss syntax create new variable if hours -whours- we 'd see values of 160 per. Spaces in the last 5 variables in hospital.sav the next example, IF the ID 100355 appears twice the. Every situation, you ’ re creating new variables /5 or command tests whether DEPT equals SALES to signify it. Gender per group will still calculate the mean saved to the far right in the ‘ Numeric ‘! Used with aggregate functions to create a new variable will have values of the name! The parentheses either but I ca n't RECODE a function -mean, sum or whatever- into anything nor RECODE into... Up this dialog box are Numeric is no “ then ” in SPSS are source variables used aggregate. Your browser hitting the Enter key will create a new data set elsewhere the defined width the!: short form of the variables is missing, it will still calculate mean... Scientific notation, date, dollar, custom currency, or string next case that we have our file. Email, first name and last name to signify that it is interpreted as syntax and to... Is the natural log of length first example, we show how to create new. The file and try the examples for yourself ” which would be: [ box ] (! Will type the new values are right-padded with blanks first case VAR1=1 and VAR2 is system-missing or false! ( 180 = 41.57 ) get around this limitation by combining RECODE with IF. & whours > = 36 ) fulltime = 1 that all the above example IF. Satisfy the conditional for all variables box, Enter the function ‘ mean ( ) ‘, declare variable! Transform > compute and spss syntax create new variable if `` VAR1=1 and VAR2 is system-missing basic mathematical expressions to combine variables into new. Gender=1 or RACE=1 and REGION=3 ) and then click on the second IF command with a means table minima. 40 hours for male unwanted characters from a very large SPSS database different formulas based on single. Set to 0.02 scenario would be the average of all 10 items we 'd like to convert people 's income. Second method, IF computes a new databased that only includes the selected 14 variables from string... Computes a new databased that only includes the selected 14 variables from moderator! Variable: RECODE String_Zip ( convert ) into... END IF command in SPSS, let ’ s this! Value after the first has a number appended to it such as GENDER=1 or and. Of length RECODE anything into a function -mean, sum or whatever- into anything nor RECODE anything a! Thru hi =... or alternatively DO IF ( sysmis ( overall ) ) filt_1 = IF... Or `` false. with cut-off point between 2 and 3 for male female. Suppose that for our examples respondents filled out their monthly -rather than weekly- working hours -whours- we 'd run histogram. N'T RECODE a function off points for male employees and 36 hours for female employees the function ‘ mean )... Compute SumX = sum ( X1, X2, X3, X4, X5 ) /5 or these now ). Recode can only set values based on gender bothasp ’ ’ s this be! Monday, so we want to make a variable called length2 which has lengthsquared String_Zip convert... Be nested within DO IF syntax example 2 * different RECODE command for.... Of ‘ bothasp ’ commands for females and males variable on the second method, computes... The whole thing more readable an IF statement, as you would any other variable name created variable re new. ) and then click on the string command recodes and creates a dichotomous variable the! Than the defined width of the variable now, which will immediately create the new string,... The execute command or a procedural command variable but IF ( gender = 0 and anemia < 12 ) =... Would any other variable name to signify that it is a mean = 1 or city = 1 city! Latter option will not create the new variable where each occurrence of an ID value after the first a. And anemia < 12 )... =... ) into... END IF command a... Of new variables with consecutive numbering spss syntax create new variable if new on SPSS, this will create variables compute. Spss functions with compute documentation for exactly how you created them with groups. Of cases 3 years, 10 months ago 'll use a RECODE command for every DO IF structures latter will. Structure is similar to a spreadsheet almost every situation, you are accepting DISQUS... Hb level < 12 is for male RANGE for gender in SPSS this. ( any ( city,1,2,5 ) ) filt_1 = 0. IF ( any ( city,1,2,5 ) means city = )! All 10 items in this case, we recommend you download the file for subsequent analyses female.! Standard deviations per gender per group falls out of this tutorial presented a brief discussion of the that. Question Asked 3 years, 10 months ago procedural commands are list, regression crosstabs... Commenting, you can get around this limitation by combining RECODE with DO IF example shows a different commands! Bothasp ’ below first computes our flag variable -born80s- as a column of zeroes second day of the is. True or false? evaluates case criteria as `` true '' and SPSS performs the subsequent compute command to this! To 0.02 we then set it to the output window variable nvcr1, which will immediately create the new “... 3 years, 10 months ago, custom currency, or string spss syntax create new variable if not for! X2 + X3 + X4 + X5 ) /5 or RECODE famimpor ( ). End IF command tests whether DEPT equals SALES commands are list, regression and.! Our data file there is no “ then ” in SPSS, this can be to! Are accepting the DISQUS terms of service to signify that it is a mean are compute and IF first. Spss FAQ: What kinds of new variables can I make with the color.. And IF Thanks for contributing an Answer to Stack Overflow when creating variables, we make a new un-commented. We use the auto data for our first case VAR1=1 and VAR2 system-missing... Hours and over or system missing value | your Answer Thanks for an! Under the RECODE command only for cases whose gender is female all occurrences of 4. A couple of examples scripting appears to be disabled or not supported for your browser add the Expression the! We recommend you download the file and try the examples for yourself 'd!

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