In this video i explain when you should recode the values of variables, why you should do that and how you do it. Well dichotomize variables v4 to v6 by changing values 1, 2 and. Creating and recoding variables stata learning modules. Old and new values you can define values to recode in this dialog box. Enter an output new variable name for each new variable and click change.
The former works for datasets you are coding in one take. In the output variable box, type in a name for the new grouped variable. Then, click on transform recode into same variable or recode into different variables whichever you like i use the latter in case ive forgotten if i recoded something or not. 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. Whereas when youre using spss recode into different variables range can be manipulated with little concern for the loss of data, recoding into the same variables will actually delete your original data. Just make sure that the number of input variables matches the number of output variables. You really should avoid alphanumerics, though, and there is a simple way to make the data better. After the variables have been entered, click on transform and select recode into same variable or different if things havent been coded in one take. View our tutorials for reading, cleaning, arranging, and manipulating data in spss. We recommend recoding into a different variable, allowing you to retain the original variable that your. Another one is with the syntax, and in this video im going to look at recoding the categorical variables. Execute the transformations program contains an unclosed. Recoding variables spss tutorials libguides at kent state.
Values assigned by the program when values in your data are undefined. The job is done when r goes to check the condition in each row in an object made of multiple variables at the same time and produces the outcome in a new variable. The new value must be of the same type numeric or string as the existing variable. Recoding variables in spss statistics single values laerd statistics. It isnt unusual for this data to have been entered as string values alphanumeric characters. I click the button old and new values in the column old value value i insert the old value and in new value value and i press the button add. Selecting the different function reverses each score and includes them in an extra variable. Reverse coding in spss spss research and analysis service. For string variables, it must be of the same length as the existing variable. If you are using spss which i assume since youve posted in this forum, the best way i can think of is to transform your variable.
Now normally the way you would do this, is you would come up to transform and you would come down to either recode into the same variable or recode into different variables. The data given below represents a satisfaction rating out of 10 for a new service offered by a company. In the data view, select the transform menu select recode select into different variable highlight the variable you want and click the arrow to move it to the output variable box. Dichotomize multiple variables into new variables recoding several variables into several new variables is straightforward. Drag and drop the variable you wish to recode over into. To use automated tools for recoding, use automate browse online library create new variables. This page is written for spss users, who are trying to replicate the spss features of transform recoding into same variables or transform. How to combine values of single variable statistics help.
All value specifications must be the same data type numeric or string as the variables. Select the variable you wish to recode by clicking it. As a very begginer in spss i would ask you for help with some transformation from table a into table b. Syntax data analysis and statistical software stata. When i finishe i press all ok and i can see the new column in spss. Recode data spss ada 2 yaitu recode into same variable dan recode data into different variabel 2. Click old and new values and specify how to recode values. How to recode string variables with multiple values in one cell in spss. If you change a recode specification on the list, the procedure automatically. Old values must be the same data type numeric or string as the original 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. Recoding into the same variable transform recode into same variables. In ibm spss statistics, people frequently have categorical variables with lots of values. In spss, there are three basic options for recoding variables. Instead, you can use the transform recode into different variables option. The recode into different variables window will appear. There is an easier way to recode mpg to three categories using generate and recode. If you select multiple variables, they must be the same type numeric or string. These variables may be string variables or they may be numeric. Into same variables into different variables choose new name recoding into same variables. The compute variable window will open where you will specify how to calculate your new variable. From transform menu recode into same variable old and new variables system missing in value space add the value you want to replace. If blanks are not specified, the values are rightpadded.
Recoding variables in spss menus and syntax the analysis factor. Enter a new name for the autorecoded variable in the new name field, then click add new name. You can either read or watch this tutorial this tutorial assumes that you have. Recoding into same variables replaces the values in the existing variable. Click on transform recode into different variables. To achieve the outcomes obtained from spss when using transform recoding into different variables, see how to recode into a new variable. In most cases, its unadvisable to recode into the same variables when youre creating derived data. In almost every situation, you want to use into different variables. Choose your first variable and click to arrow move it over to the middle box. You may have noticed earlierwhen we were recoding variables,that when we went to the transform menu,underneath the recode into same and different variables was an alluring alternative,and thats the automatic recode. Transforming or recoding numeric variables into converted numeric or catergorical variables.
Klik transform, kemudian klik recode variable into atau same variable, jika kita klik into same variable maka variabel umur asal akan hilang dan digantikan dengan variabel katagorik, sedangkan bila kita klik recode into different variable maka akan muncul pada akhir setelah variabel risk. Introduce for example you have age variables which value is 10, 11, 12. The keywords min and max may be included as a fromvalue, as well as a tovalue. Select the variable that needs to be recoded and enter new values for each response. 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. In this quick tutorial, were going to look at how to recode a string variable as a numeric variable in the spss statistics program. Transforming scale data to ordinal data spss howto help. How to recode string variables in spss quick spss tutorial. Recoding variables spss tutorials libguides at kent. If you select multiple variables, they must be of the same type numeric or string.
Spss seems to be treating them as missing even after they have been successfully imputed, so i am unable to recode using the recode into different variables command although all my other nonmissing, nonimputed data for that variable is successfully recoded. Now, automatic recode worksa little differently from some of these others. This tutorial covers the recode into different variable and recode into same variable commands. For example you may want to change all of your 1s and 2s to 0s and 1s. 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. This video demonstrates using the recode into different variables feature in spss. This tutorial will show you how to use spss version 10 to automatically recode variables, manually recode variables, and compute variables. Click add to place the specification into the oldnew list. How to recode variables in spss statistics, specifically, recoding single values. The left column lists all of the variables in your dataset. Spss tutorial 6 recoding into different variables youtube. Recoding variables in spss menus and syntax the analysis.
Recoding into the same variables recoding into different variables. Recoding variables data from surveys may need to be recoded before they can be analyzed. You may recode into the same variable changing the values, but not the name of the variable or you may recode into a different variable changing the values and the name of the variable. Optionally, you can define a subset of cases to recode. In this tutorial, well discuss how to compute variables in spss using numeric expressions, builtin functions, and conditional logic. Recode into same variables dialog box select long distance last month, toll free last month, equipment last month, calling card last month, and wireless last month as numeric variables. Recoding a variable can be used to transform an existing variable into a different form based on certain criteria.
To recode into different variables, click transform recode into different variables. To compute a new variable, click transform compute variable. Recoding variables in spss statistics recoding data into. How to recode string variables with multiple values in one. Try ibm spss statistics subscription make it easier to perform powerful statistical. I have to recode values of brand variable into columns and make 01 variables. Overview recode command syntax rules recode command operations recode command into. Select the string variable of interest in the left column and move it to the right column. What automatic recode does is, its not recoding the cases,its not ranking. Computed variables have been available in jamovi for a while now. This post is about recode into different variables. Some surveys contain questions that have been reversecoded for checking the consistency of responses. For example, we might divide age into age categories, storing in iage. Transforming and recoding variables in jamovi jamovi.
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