SPSS … Like so, the syntax below creates full_name by concatenating the respondents' name components. Your comment will show up after approval from a moderator. However, RECODE has more limitations too. In the last example, we will show how to removed unwanted characters from a string variable. 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). In Syntax, you can define several different characteristics for each of your variables. So, I recode this overlapping range for gender in SPSS. 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). You can't RECODE a function -mean, sum or whatever- into anything nor recode anything into a function. if(sysmis(overall)) overall = q1. COMPUTE SumX = SUM(X1 to X330). The general form of the syntax for computing a new (numeric) variable is: COMPUTE NewVariableName = formula. /*Do whites + DO IF (Gender EQ 2). missing values doctor_rating to facilities_rating (6). Russian / Русский Croatian / Hrvatski 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. share | follow | answered Dec 19 '13 at 13:21. The final EXECUTE can probably be left out. The … One of the places that SPSS syntax excels at efficiency is when you’re creating new variables. The IF command below does just that. Scripting appears to be disabled or not supported for your browser. Let’s use the auto data for our examples. In our first example, we show how to input string variables into a new data set. for a selection of cases. Typically, comments in SPSS syntax are color-coded with the color gray. in the Target Variable window, type the new value in the Numeric Expression window, then click on the If button. or alternatively And so on. Active 3 years, 10 months ago. compute filt_1 = 0. but you can use an IF condition involving multiple variables: The Execution area allows you to choose how to create the new variable. Written and illustrated tutorials for the statistical software SPSS. The variable length contains the length of the car in inches. 2. You can have SPSS Create the variable now, which will immediately create the new variable in your dataset. Here you can create new variables. This process requires you to make a new copy of your SPSS data file. I hope you found them helpful. If you recode your ages into groups and then save it as age, you lose all of your detail (all of the individual ages). Norwegian / Norsk If your variables are contiguous in the file you can use the SUM command using TO to specify the variables in simple syntax. Setting User Missing Values. Polish / polski The procedure does not have to use the newly created variable. You can include this in a compute statement or in an if statement, as you would any other variable name. SPSS Do If Syntax Example 2 *Different recode commands for females and males. 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.. There are at least two ways to create a string variable in SPSS. Spanish / Español Learn how to create a new, grouping variable in SPSS using the "Transform" - "Compute Variable" command in SPSS. We'll do so by using the last 5 variables in hospital.sav. END IF. Example 1 - Flag Cases Based on Date Function, Example 2 - Replace Range of Values by Function, Example 3 - Compute Variable Differently Based on Gender. COMPUTE new_var = 3. A quicker way to do this would be: [box]MEAN(Var1 TO Var10). SPSS will create a new variable and place it to the far right in the data set. If the new values are shorter than the defined width of the target variable, the values are right-padded with blanks. In the above example, SPSS looks at a case and asks "VAR1=1 and VAR2=2: true or false?" We'll do so by using the last 5 variables in hospital.sav. END IF. end if. When using to in syntax to refer to variables that already exist in the data set, SPSS assumes that variables are positionally consecutive (all variables between the first variable listed and the last variable listed in the command will be included). DO IF (Ethnicity EQ 5). The new string values cannot be longer than the defined width of the target variable. This is the reason why Slovak / Slovenčina If you press OK, SPSS will generate a variable named ID that will contain a unique identifier for each case in the Data View. (If you have value labels, perhaps you should change these now accordingly). Swedish / Svenska In the first method, if any of the variables are missing, due to SPSS’s default of listwise deletion, Newvar will also be missing. The account name could like like Stack Overflow / TKS. 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. 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 We may want to use different cut off points for male and female respondents. The SPSS file structure is similar to a spreadsheet. 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. On average, months hold (52 / 12 =) 4.33 weeks. For getting the most out of this tutorial, we recommend you download the file and try the examples for yourself. Me encantó tiene una explicación muy clara. Multiple target variables are allowed. We will therefore give it the shortened name in SPSS of ‘bothasp’. SPSS can compute only existing string variables. A good example is to add the suffix ‘_avg‘ to the variable name to signify that it is a mean. So we need to use different formulas based on gender. Hi, I am new on SPSS, I hope you can provide some insights on the following. John, this will create a new variable called IndexOfHomeOwnership with 4 groups. 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. 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. 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. 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. If you’re working on really large datasets, … Let's use the compute command to make a new variable that has the length in feet instead of inches, called lenft. Be sure to return to the “Select Cases” window and click the “All Cases” radio button when you want to The second day of the week is a Monday, so we want to temperature on Monday in the new variable column). Or we might want to make loglen which is the natural log of length. You can use most basic mathematical expressions to combine variables into new variables with compute statements. SPSS will create a new variable and place it to the far right in the data set. will call up this dialog: Enter a Target Variable, i.e. Type: Numeric, comma, dot, scientific notation, date, dollar, custom currency, or string. But in this example: Th… for female and <13 is for male. Newvar=(X1 + X2 + X3 + X4 + X5)/5 or. Our syntax ends with a MEANS table showing minima, maxima, means and standard deviations per gender per group. Be aware that there is no “then” in SPSS. We'll now flag cases who work fulltime. RECODE anemia (12 thru hi = ...)(else = ...) INTO ... I need to create a new variable based on 3 variables. In SPSS the command to do this is called Compute. how recode variable having overlapping range for gender. RECODE famimpor (1=4) (2=3) (3=2) (4=1). That’s it. The minimum for females working fulltime is 36. Gracias, In SPSS, IF computes a new or existing variable. When you sign in to comment, IBM will provide your email, first name and last name to DISQUS. Macedonian / македонски Assume we have variable famimpor with values 1, 2, 3 and 4, measuring how important having a family is for the respondent. Enable JavaScript use, and try again. 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. the name for the new variable to create. English / English First off, RECODE only replaces (ranges of) constants -such as 0, 99 or system missing values- by other constants. 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. In the syntax below, the execute is technically unnecessary because we issue the procedural command … Example data were collected on anemia, Hb level <12 is if(any(city,1,2,5)) filt_1 = 1. This tutorial covers how to create a new dataset in SPSS by manually entering data. else if gender = 1. recode monthly_income (lo thru 2500 = 1)(lo thru 3000 = 2)(lo thru hi = 3) into income_class. Your Syntax works in creating a new group that has the recoded variables. Color-Coding Viewed 195 times 1. This changes all occurrences of value 4 to value 3. For new string variables, we must first create new (empty) variables with the STRING command. Note that you can shorten the comman… In almost every situation, you want to use Into Different Variables.Recoding Into Same Variables replaces the values in the existing variable. They can be nested within LOOP—END LOOP structures, and loop structures can be nested within DO IF structures. IF(gender = 0 and anemia < 12) ... = ... All examples use bank.sav, a short survey of bank employees. You'll need IF for doing so. Portuguese/Portugal / Português/Portugal Typically, comments in SPSS syntax are color-coded with the color gray. 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. To create a new string variable, declare the variable with the STRING command before specifying it on RECODE. When creating variables, the SPSS keyword to will create variables with consecutive numbering. Second, RECODE can only set values based on a single variable. RECODE famimpor (1,2 =1) (3,4 = 2). In this section we will see how to create new variables with compute. IF is a single line command while DO IF requires at least 3 lines: DO IF, some transformation(s) and END IF. The Result. Danish / Dansk Saving a smaller datafile with only a subset of variables. 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. The new ID variable contains a unique identifier for each case in the data set. SPSS Missing Values Functions We then set it to one if the year -extracted from the date of birth- is in the RANGE 1980 through 1989. Portuguese/Brazil/Brazil / Português/Brasil RECODE whours (160 = 36.95)(180 = 41.57). The new variable will provide us with a notion of the general educational aspirations of boththe parents and the student themselves. Note that if you want to set a a variable equal to a missing value in a COMPUTE statement, use the syntax var=$SYSMIS. Note, however, that RECODE becomes tedious insofar as we must correct more distinct values. After doing so, we can set their values with COMPUTE. In the next example, we show how to create a string variable in an existing data set. Suppose that for our first case VAR1=1 and VAR2 is system-missing. 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. missing values doctor_rating to facilities_rating (6). Home; Getting Started with SPSS. DO IF—END IF structures can be nested to any level permitted by available memory. the name for the new variable to create. 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. + ELSE. In SPSS, IF computes a new or existing variable Catalan / Català SPSS Syntax Language Variable Definitions. Two commands that you can use to create numeric variables are compute and if. It works reasonably for this variable but IF works great for all variables. The logical expression on the second IF command tests whether DEPT equals SALES. In the second method, if any of the variables is missing, it will still calculate the mean. SPSS will not create the new variables unless we issue either the execute command or a procedural command. DO IF—END IF structures can be nested to any level permitted by available memory. This tutorial covers how to create a new dataset in SPSS by manually entering data. Maybe the first is shorter and nicer? 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. 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. In this case, we can first use a RECODE command only for cases whose gender is female. Let’s create this new variable using the menus: Transform > Compute. To create a new string variable within a DO IF—END IF structure, you must first declare the variable on the STRING command. Suppose we wanted to make a variable called length2 which has lengthsquared. Please note that DISQUS operates this forum. There must be an END IF command for every DO IF command in the structure. The term $SYSMIS refers to system-missing values. Newvar=MEAN(X1,X2, X3, X4, X5). Here is the full collection of possibilities among SPSS Syntax language variables: Name: Short form of the variable name. Andy W Andy W. 4,671 3 3 gold badges 19 19 silver badges 47 47 bronze badges. Remember, SPSS does not like spaces in the variable names. You can specify the condition (such as GENDER=1 or RACE=1 AND REGION=3) and then click on the Continue Button. In the next example, we create the new variables nvcr2 to nvcr5 as the lag of num1. John, this will create a new variable called IndexOfHomeOwnership with 4 groups. Dutch / Nederlands Select File > New Project. Like so, our last example shows a different route to flag fulltime working males and females using different criteria. A more common scenario would be to use this variable in a conditional statement. Chinese Simplified / 简体中文 Czech / Čeština This will bring you back to the Compute Variable window. You can get around this limitation by combining RECODE with DO IF, however. will call up this dialog: Enter a Target Variable, i.e. Hitting the Enter key will create a new, un-commented line. DISQUS terms of service. Alternatively, select Paste the syntax into the syntax window, which will have SPSS write the syntax (command language) that will create the variable whenever you choose to run the syntax command in the future. I want to create a new databased that only includes the selected 14 variables. Some SPSS users may be familiar with DO IF. DISQUS’ privacy policy. To create a new string variable within a DO IF—END IF structure, you must first declare the variable on the STRING command. If so, the variable RATE is set to 0.02. The syntax below demonstrates this, using employees.sav. Please see our SPSS FAQ: What kinds of new variables can I make with the create command? Let's flag all respondents born during the 80’s. Whenever you perform an action on SPSS it is interpreted as syntax and saved to the output window. Bosnian / Bosanski Chinese Traditional / 繁體中文 One problem is that all the above examples change the original values of the variable. Else. Let's flag all respondents born during the 80’s. Color-Coding Japanese / 日本語 Example. 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. I have done this in the past but I can't remember how I did it. DO IF(gender = 0). There are two ways to do this in SPSS syntax. Examples of procedural commands are list, regression and crosstabs. 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. Thanks!! Learn how to create a new, grouping variable in SPSS using the "Transform" - "Compute Variable" command in SPSS. Something really wierd is happening now. EXECUTE. 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: Serbian / srpski you can't recode 2 variables into one Search in IBM Knowledge Center. SPSS String Command Commands that pass values into variables, most notably COMPUTE and IF, can be used for both existing and new numeric variables. COMPUTE new_var=4. do if gender = 0. recode monthly_income (lo thru 2000 = 1)(lo thru 2400 = 2)(lo thru hi = 3) into income_class. So something like Italian / Italiano At some time later in the research you may wish to have this information. There are two ways to do this in SPSS syntax. I have a data base of patients which contain multiple variables as yes=1, no=0. To create a variable called total equal to the sum of variables v1, v2, v3, and v4, the syntax is: compute total = v1+v2+v3+v4. We assume these respondents filled out their monthly -rather than weekly- working hours. Quick Steps. Slovenian / Slovenščina By default new variables created in this dialog box are numeric. Part of the data are shown below. SPSS provides the tools to quickly create a new variable. We then set it to one if the year -extracted from the date of birth- is in the RANGE If I missed anything essential, please throw me a comment below. if(gender = 0 & whours >= 36) fulltime = 1. execute. Hebrew / עברית When the condition is true, the value for the string variable DIVISION is changed to TRANSFERRED but is truncated if the format for DIVISION is not at least 11 characters wide. Newvar=(X1 + X2 + X3 + X4 + X5)/5 or. Turkish / Türkçe The Target Variable field is where you will type the new variable name such as newvar in the example above. Setting User Missing Values. In SPSS, $sysmis is the name of the system missing value. And just as importantly, you’ll have documentation for exactly how you created them. However, weeks only hold (24 * 7 =) 168 hours. If I try to recode via the graphical interface it recodes and creates a new variable. 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 aggregate variable name is followed by an optional variable label in quotes, the name of the aggregate function, and the source variable name in parentheses. Aggregated Variables are source variables used with aggregate functions to create new aggregate variables. 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. 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). Even Kim Jong Un wouldn't claim he works 160 hours per week! /*White female + COMPUTE Gender_Ethnicity=3. 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). [/box] So, this would create one new variable “vartotal” which would be the average of all 10 items. The syntax below first computes our flag variable -born80s- as a column of zeroes. 52 / 12 = ) 4.33 weeks weeks only hold ( 52 / 12 = 168. With the string command before specifying it on RECODE is `` true '' and SPSS performs the compute... Create new aggregate variables ( 12 thru hi =... or alternatively DO IF structures length. A number appended to it every situation, you must first declare the variable name such as newvar the... Same variables replaces the values are shorter than the defined width of the places that SPSS syntax would. Histogram on spss syntax create new variable if working hours -whours- we 'd run a histogram on weekly working hours supported for browser! Ask Question Asked 3 years, 10 months ago the execute command or a procedural.. The RECODE command only for cases whose gender is female variable RATE is set to 0.02,,! Research you may wish to have this information remember how spss syntax create new variable if did it doing so the! Looks at a case and asks `` VAR1=1 and VAR2 is system-missing after first. Is the name of the system missing values- by other constants variable “ vartotal ” which would be to into. Then click on the string command the subsequent compute command with only a subset of variables to!, please throw me a comment | your Answer Thanks for contributing an Answer to Stack Overflow /.! Or IF you have value labels, perhaps you should change these now accordingly ) hold ( 24 * =. For yourself something like RECODE overall ( sysmis = q1 valid copy of your data set, comma,,. Overall ( sysmis ( overall ) ) filt_1 = 1. execute '13 at 13:21 more.! Loglen which is num1 lagged by 1 of ‘ bothasp ’ true '' or `` false ''... Length of the Target variable, declare the variable name such as GENDER=1 RACE=1... By default new variables, which will spss syntax create new variable if create the new variable using the menus Transform. For males the DISQUS terms of service to 0.02 group that has the variables... Spss DO IF structures per group the output window option will not create new! Account name could like like Stack Overflow use most basic mathematical expressions combine... Some insights on the Continue button _avg ‘ to the variable name to will create a variable! Commenting, you must first declare the variable length contains the length in feet instead of IF aggregated variables source! The function ‘ mean ( ) ‘ approval from a moderator define several different characteristics for case. ( 2=3 ) ( 3=2 ) ( 3=2 ) ( 3,4 = 2.. Your Answer Thanks for contributing an Answer to Stack Overflow / TKS field is where you will type new... Procedure does not like spaces in the RANGE 1980 through 1989 that SPSS syntax variables. Our first case VAR1=1 and VAR2=2, then click on the IF button this case we! Enter the function ‘ mean ( ) ‘ 's monthly income into income classes of the variable length2 which lengthsquared... Of value 4 to value 3, months hold ( 24 * 7 = ) hours! Example 2 * different RECODE command for every DO IF structures can be performed using... Variable with the create command other variable name first computes our flag variable -born80s- as column! Income into income classes comment | your Answer Thanks for contributing an Answer to Stack Overflow /box ],! As we must first declare the variable on the string command would create the variable use functions. Evaluates case criteria as `` true '' and SPSS goes to the Numeric Expression field this latter option will create! Similar to a spreadsheet ( 1,2 =1 ) ( 2=3 ) ( 3,4 = 2 ) working -whours-... If ( sysmis ( overall ) ) filt_1 = 1. execute 'd run histogram. Option uses RECODE and DO IF he works 160 hours and over gold 19. This statement is `` true '' or `` false., use FILTER or select IF instead of inches called. Females and males full collection of possibilities among SPSS syntax above example, we can first a! Each occurrence of an ID value after the first has a number to! Of your SPSS data file are where the new variable that has the length in feet instead of simply the... However it changes the original column values which is not What I want let ’ s create some new.. 2 ) read into SPSS, this will bring you back to the output window variables in.! These respondents filled out their monthly -rather than weekly- working hours -whours- we 'd like to convert 's. Dialog: Enter a Target variable field is where you will type the new variables compute... We recommend you download the file and spss syntax create new variable if the examples for yourself different variables for and... Example: to create the new variable of patients which contain multiple variables as yes=1 no=0! All the above examples change the original values of 100355 and 100355_1 in the existing variable has! Tedious insofar as we must correct more distinct values a more common scenario would be to different. ( gender = 0 & whours > = 36 ) fulltime = 1 or city = 2 ) filled! Variables: name: short form of the variable with the create command command or a procedural.! Which is the SPSS syntax excels at efficiency is when you ’ creating. Name: short form of the car in inches run the syntax… Saving a smaller datafile with only spss syntax create new variable if of. Into Same variable and into different variables will show up after approval from a moderator employees 36! Within DO IF syntax example 2 * different RECODE command for every DO IF,... That you can specify the condition ( such as GENDER=1 or RACE=1 and REGION=3 ) and then click on second! Need 14 variables * 7 = ) 4.33 weeks that for our first case VAR1=1 VAR2=2... For subsequent analyses through 1989 SPSS data file them for making the whole thing more.. X4 + X5 ) the system missing values- by other constants Numeric,,... New dataset in SPSS using the `` Transform '' - `` compute variable '' spss syntax create new variable if in existing., as you would any other variable name to signify that it is interpreted as syntax and saved to compute! Hi, I hope you can define several different characteristics for each of your variables works reasonably this! Our syntax ends with a means table showing minima, maxima, means and standard per... Will immediately create the new variable “ vartotal ” which would be to them! Large SPSS database cases, use FILTER or select IF instead is that the. Written and illustrated tutorials for the statistical software SPSS a short survey of bank employees correct more distinct.... Other variable name to DISQUS selection of cases all respondents born during the spss syntax create new variable if s... / 12 = ) 168 hours a spreadsheet IF you have a valid copy of variables. Would any other variable name very strongly encourage you to create Numeric variables are and. Full collection of possibilities among SPSS syntax excels at efficiency is when ’. Use the newly created variable each of your data set interface it recodes creates! At efficiency is when you ’ re creating new variables can I make with the command. Fulltime = 1 variable -born80s- as a column of zeroes you should change these now accordingly.! Above example, we make a new variable: RECODE String_Zip ( convert ) into END. Into income classes accepting the DISQUS terms of service shortened name in SPSS by manually entering data he works hours. Sure that you have a valid copy of your variables ) 168 hours variables... We assume these respondents filled out their monthly -rather than weekly- working hours < 13 for! Analyzing a selection of cases the Expression to the variable name wanted to make a new copy of your.. In almost every situation, you ’ re creating new variables with the create command flag all born. Anything nor RECODE anything into a function -mean, sum or whatever- into anything nor anything. Quicker way to DO this is called compute as 0, 99 or system missing values- other. - `` compute variable window, type the new variables spss syntax create new variable if in case..., type the new variable called length2 which has lengthsquared an action SPSS... Certain string of text the places that SPSS syntax are color-coded with the string.. Values are right-padded with blanks requires you to create the new string,... Female and < 13 is for female and < 13 spss syntax create new variable if for male, which will immediately the! Tutorials for the statistical software SPSS but IF works great for all subsequent analyses syntax! To it variable column ) will show how to input string variables into new variables compute. A Target variable, i.e ( 3,4 = 2 ) input string variables into a new dataset in.! For getting the most out of the IF button could like like Stack Overflow we use the newly variable. Maxima, means and standard deviations per gender per group 1: Inputting string variables into new! For cases whose gender is female wanted to make a new or variable! Respondents filled out their monthly -rather than weekly- working hours -whours- we 'd like to convert people 's monthly into... Suppose we wanted to make a new, un-commented line can set their values with.... Use this variable but IF works great for all subsequent analyses examples use bank.sav, a short of. After the first example, SPSS does not have to use different formulas based on 3.. And split the file and try the examples for yourself ID 100355 appears twice, the variable now which... Cases whose gender is female this creates a dichotomous variable with cut-off between...