Transform recode into different variables spss for mac

As the name implies, recode means replace some or all codes of a variable by new, different codes. Command recode into same or different variables youtube. To recode into different variables, click transform recode into different variables. Spss has very powerful capabilities for creating new variables as a function of existing variables. In this situation, you must use automatic recode in order for spss to recognize blank strings as missing values.

Click the transform menu at the top of the spss data sheet, then select recode into different variable, because you will transform the categorical variable into one or more dichotomous or dummy variables. Note that this dialog window allows you to recode specific values, ranges of values, and missing values into new values. We simply use the recode command with the into option with the name of the new variable into which we want to recode mpg. This will take you back to the recode into different variables box. To build an expression, either paste components into the expression field or type directly in the expression field. Click on the continue button to return to the recode into different variables dialog box.

Though the first example provides in that link recodes into the same variables, an equivalent command to recode into different variables would be. Doing so applies the original string values as value labels to the. There is an easier way to recode mpg to three categories using generate and recode. How can i convert blank spaces in spss data into one missing. Recode v1 to v3 01 10 2,31 99 elsesysmis into w1 to w3. To do this, click on transform, then recode, and then make sure to click on into different variable. If you select multiple variables, they must be the same type numeric or string. Scoot cse1 into numeric variables and click old and new values. This will create a new variable containing our new grouped values. Recode changes to codes of one or more variables varlist1 according to a list of specifications enclosed in parentheses. Do not forget to remember the change button if not recode your command will fail. Recoding variables in spss statistics single values laerd. Sometimes its necessary to change several values in your data set. In the output variable box, type in a name for the new grouped variable.

The recode into different variables dialog box allows you to reassign the values of existing variables or collapse ranges of existing values into new values for a new variable. This opens a window that displays the variables in your data set. How to recode string variables with multiple values in one cell in spss. How to recode categorical variables in spss youtube. For example, if you are grouping bmi you might use the name bmigroup. We will recode the age variable so that a new variable will be created, in which a value of 1 will represent under 40, and 2 will represent 40andover. How to recode data in spss york st john university. Recoding variables in spss is demonstrated in this spss tutorial. Click old and new values and specify how to recode values. There is an easier way to recode mpg to three categories using recode.

Creating and recoding variables spss learning modules. Systemmissing values and ranges cannot be selected for string variables because neither concept applies to string variables. Recoding variables in spss menus and syntax the analysis. The left column lists all of the variables in your dataset. Click arrow button to put your variable into the right window 4. If you actually need the variable values to be the identifying strings, a table lookup would be vastly better. What the values for categorical variables look like via the data. You can recode single values, ranges of values, and missing values. Dec 28, 2015 recoding variables in spss is demonstrated in this spss tutorial.

The output variable, the new variable, well call outcome. This is a tutorial on how to use the recode into same or different variables function in spss pasw. If, for example, you apply a ln natural log transformation to numeric variables the following code is generated and put in the transform command log window at the bottom of your screen when you click the store button. Provide one or more recode commands, separated by a. Old and new values dialog box should look like when you are done. Just select the variable or the variables you wish to recode. It shows you the distribution and allows you to enter cutpoints in the date format of the variable in question. The numeric variables between and including v1 and v3 are recoded. On the menu transform recode into different variables. Give it a new name using the name box and put a memorable description in the label box. A quick tutorial on how to transform or recode categories in spss. You can also recode variables in place into same variables instead of recoding them into new variables. Spss 18 also added new modeler, a pricey new bootstrapping option, an extracost direct marketing module, the ability to tell the program what variables are causes and results so it can prepopulate dialogue boxes at will, and more upgrades to the syntax window.

The recode into different variables window will appear. How to recode string variables in spss quick spss tutorial. Doing so with syntax is way faster than with the menu, especially if you want to recode many variables at once. We still do not have labels attached to the values of the new variable. You can define values to recode in this dialog box. Recode the data so that the batsmen are rank ordered by their number of runs, with the batsman with the highest runs given a code of 1 and the batsman with the lowest runs given a 5. Command recode into same or different variables duration. Change the coding of a variable using recode into same variable in spss duration. If the into keyword is present followed by a list of target variables the result is stored into the target variables list one or more variables, otherwise the variables are changed in place. Recoding variables spss tutorials libguides at kent. Choose the variable you want to recode and bring it over to the recode window. The recode command only accepts the numeric value of date variables.

A division by one does not change the original values. In spss, values determine both how means are computed and how percentages are computed on tables. Old values must be the same data type numeric or string as the original variable. For example, you could collapse salaries into a new variable containing salaryrange categories. Conditional expressions can include variable names, constants, arithmetic operators, numeric and other functions, logical variables, and relational operators. It is assumed that all values in the original variables consist of single digits.

After recoding we must respecify the value labels for all three variables. To recode values of a variable into a new variable. Recoding variables in spss statistics recoding data into. Optionally, you can define a subset of cases to recode. Using this method, we do not need to make a copy of mpg or use the compute command. The company would like to code all those who responded by giving ratings above 5 a satisfactory code and those below 5 a dissatisfactory code. Creating and recoding variables stata learning modules. Well dichotomize variables v4 to v6 by changing values 1, 2 and 3 into 0 and values 4 and 5 into 1 as implied by recode v4 to v6 1,2,3 04,5 1. Assigning value labels is the usual way of dealing with this. Enter old value value 1, new value value 5, click add.

The values in value are divided by the values in this new vector. Now, automatic recode worksa little differently from some of these others. You must click the change button for the new variable to be recoded. Make sure you have entered all your data first, as the recode function does not automatically update when you enter new data. For instance, we can use these functions to create averages of existing variables, to rescale existing variables, or to compute difference scores by subtracting one variable from another. Were going to look at the recode into different variables method. 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. The data given below represents the scores of 10 students in a final examination. These steps involve coding a categorical variable into multiple. Spss recode multiple variables into one variable example. 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. Start by clicking on the transform menu in the horizontal toolbar at the top of the screen. In almost every situation, you want to use into different variables. Recode into different variables ibm knowledge center.

Firstly, recode command can take in and output multiple variables. If you choose the other option, into same variable, you will overwrite the original variable and will not be able to use it again. If boolean values like tf are used with mathematical operators, they are cast into numeric values false is transformed to 0 and true is transformed to 1. What the values for categorical variables look like via the variable view tab 2. There are several ways to convert string variables to numeric form. See the documentation and the example provide here.

Otherwise, spss will consider the blank category as a valid category. Then use the command transform compute variable, in the target variable. Recoding variables in spss statistics single values. The data given below represents a satisfaction rating out of 10 for a new service offered by a company.

Items esteem1, esteem2, and esteem4 are worded positively with respect to higher selfesteem i am a person of worth, i have good qualities. This video demonstrates using the recode into different variables feature in spss. Spss provides a number of options to help us to recode the variable. Home recoding variables in spss recoding both string and numeric variables in spss is usually done with recode. From the data editor, transform, recode, into same variables. Select the variable or the variables you wish to recode, and for each of them indicate an output variable. Click the arrow in the center to move the selected variable to the center text box, b. The data given below represents runs scored by 5 batsmen in a nationallevel match. Items esteem1, esteem2, and esteem4 are worded positively with respect to higher selfesteem i am a person of worth, i have good qualities, and i can do things well. This is a tutorial on how to use the recode into same or different variables function in spsspasw. Select the variable you want to recode, and then click the. Recoding variables in spss statistics recoding a given. 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 key differences between spss and q with recoding. 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 in almost every situation, you want to use into different variables.

When recode creates one or more new variables with a new classi. Recoding variable in spss with syntax stack overflow. First, if you are creating cutpoints for a date variable, use the visual binner transform visual binner. To open the automatic recode procedure, click transform automatic recode. You may have noticed earlierwhen we were recoding variables,that when we went to the transform menu,underneath the recode into same and different variableswas an alluring alternative,and thats the automatic recode. Recoding into same variables replaces the values in.

Cross validated is a question and answer site for people interested in statistics, machine learning, data analysis, data mining, and data visualization. Now you want divide into 3 group, group 1 have age range 1030, group 2 have age range 3140, group 3 have age range 4160. Why cant i see my variables in some of the spss dialog boxes. Select the variable you wish to recode by clicking it. What automatic recode does is, its not recoding the cases,its. Although the syntax combines two variables, it can be expanded to incorporate three or more variables. In spss, this type of transform is called recoding. Hi everyone, i have a database in which the data entry staff entered the responses to one question in four different columns. Spssx discussion recoding multiple variables into one. Recoding variables in spss menus and syntax the analysis factor. The crosstab above shows that 21% of the domestic cars fall into the high mileage category, while 55% of the foreign cars fit into this category. Under output variable, give your new variable a name, e. Recoding variables spss tutorials libguides at kent state.

Mar 21, 2010 this short video demonstrates the following. You can also convert numeric variables to string variables, and vice versa. If two or three digit values are present, replace f1 by n2 or n3. Click on transform recode into different variables. To use the recode feature select the variable you want to change and choose recode from the transformation type dropdown. Note that you can specify a name for the recoded variable in the recoded variable name input box press return to submit. Check the data to ensure the accuracy of the commands. What automatic recode does is, its not recoding the cases,its not ranking. For example, you could use the autorecode command, the recode command, or the numeric. 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. Transform or recode a variable thermuohp biostatistics resource channel. In spss, there are three basic options for recoding variables. Note that youll often want to apply or adjust some value labels after recoding.

Learn how to recode string variables to numeric variable in spss, recode into different variable in spss and recode into same. Dec 11, 2005 the recode command only accepts the numeric value of date variables. As a result, you may notice minor discrepancies between the spss tutorial content provided here and your personal spss user experience. Published with written permission from spss statistics, ibm corporation. Recoding variables in spss statistics single values laerd statistics. You cannot recode numeric and string variables together. Select transform recode into different variables from the menu in spss. In the spss data view, place the cursor on this variable and sort it in ascending order. Each form of the command produces a slightly different dialog box. Spss statistics recode single values in spss statistics.

The crosstab above shows that 21% of the domestic cars fall into the high category, while 55% of the foreign cars fit into this category 3. To begin this process, click on transform recode into. Recoding into same variables replaces the values in the existing variable. Add variable to variable output place names and labels for the new variables, such as agegroup, then click the change button to notify spss variables that you want to recode. All transformations applied in the data transform tab can be logged. Click over the diff variable, because you want to recode it. With 1500 codes, you really dont want to do this with if or recode. This is because spss, by default, recognizes blank strings as valid values. Mar 07, 2015 a quick tutorial on how to transform or recode categories in spss. The following instructions show you to recode data for this purpose in spss.

As its name suggests, if you choose this option, spss will use an input variable to create a new recoded variable. Recode into same variables feature in spss youtube. Alternatively, string variables can be recoded into numeric variables with autorecode. Split a string variable into many and use scratch variables in spss. You can recode into the same variable using transform recode into same variables. The variables esteem1 to esteem5 are coded from 1 strongly disagree through 4 strongly agree. Choose age from the left pane and use the arrow to move it into the middle pane.