Recode into different variables spss 20 manual pdf

In my spss database ive got blood level measurements 3 per week over 20 weeks for different drugs. This tutorial shows how to use recode into different variables and do if syntax to change or merge the categories of string or numeric variables in. Standard recode manual for dhs 6 demographic and health surveys methodology this page is intentionally blank description. Now that were done, our new string variables are redundant so lets remove them. Getting your data into spss s11 university of guelph. Recoding into different variables in spss duration. In this video i explain when you should recode the values of variables, why you should do that and how you do it. The assignment includes instructions for converting spss documents into pdf format. Recoding variables in spss menus and syntax the analysis factor. Transforming or recoding numeric variables into converted numeric or catergorical variables.

Systemmissing values and ranges cannot be selected for string variables because neither concept applies to string variables. The simple scatter plot is used to estimate the relationship between two variables figure 2 scatterdot dialog box. It comes in handy for merging categories, dichotomizing continuous variables and some other tasks. Pdf spss 22 for windows spss 22 for windows tutorial. Recode into different variables ibm knowledge center. Recoding variables in spss statistics single values laerd statistics. That gives me 200 variables in the source category. How to use spss for analyzing basic quantitative research questions summer institute, 2016 steven a. Spss tutorial 6 recoding into different variables youtube. In the recode file these variables are combined and created in a form that is easy to use for analysis. Sometimes its necessary to change several values in your data set. It isnt unusual for this data to have been entered as string values alphanumeric characters. Hello everyone, i have data from a longitudinal study, with each t having its own data set.

Command recode into same or different variables youtube. This tutorial covers the recode into different variable and recode into same variable commands. The data given below represents a satisfaction rating out of 10 for a new service offered by a company. An spss companion book to basic practice of statistics 6th edition. Recoding into a different variable transforms an original variable into a new variable. Home blog february 2019 spss recode simple tutorial spss recode replaces data values with different values. Recoding variables in spss statistics recoding data into. We simply use the recode command with the into option with the name of the new variable into which we want to recode mpg. If incorrect data is entered, it can be overtyped or deleted.

This lesson will show you how to perform regression with a dummy variable, a multicategory variable, multiple categorical predictors as well as the interaction between them. I hope you can help me with my problem regarding a recode in a nested loop spss syntax. Spss how do i merge the content of different variables. This will create a new variable containing our new grouped values. In this documentation, these variables are marked by this. The following will give a description of each of them. Recoding variables in spss statistics single values. Start spss by clicking the start button then selecting. The if cases dialog box allows you to recode values for a selected subset of cases, using conditional expressions. View our tutorials for spss basics and data manipulation in spss. On top of that, all variables still have their original names and order.

To do this, click on transform, then recode, and then make sure to click on into different variable. In these two sessions, you wont become an spss or data analysis guru, but you will learn your. You cannot recode numeric and string variables together. Icf, 530 gaither road, suite 500, rockville, md 20850 tel. In this guide, we will concentrate on recoding into a different variable, for which there are 3 main types of recoding. A conditional expression returns a value of true, false, or missing for each case. Recoding variables spss has two options for recoding variables. Recoding variables spss tutorials libguides at kent state. Recoding variables spss tutorials libguides at kent. A recode into a different variables dialog box will appear.

To recode values of a variable into a new variable. Spss comes with a syntax reference manual explaining all existing commands. Handling data management using spss mantra research data. We have found that it may not work properly in spss version 20. Spss recode multiple variables into one variable example. This is allowed if you recode one variable and you do not. This is a tutorial on how to use the recode into same or different variables function in spsspasw. As the name implies, recode means replace some or all codes of a variable by new, different codes.

Recoding into same variables replaces the values in the existing variable. In spss, recoding categorical string variables to numeric codes and converting blank strings to missing values can be done automatically using automatic recode. Creating and recoding variables spss learning modules. The instructions below will show you how to recode variables. Full syntax recode varlist erule erule if in, options where the most common forms for rule are. The following instructions show you to recode data for this purpose in spss. If you want to recode variables into different variables, add an into command, with your new variables names at the end. To recode into different variables, click transform recode into different variables. The above examples illustrate how to recode variables into the same variables. Further more difficult techniques, which are taught and used at the master level, can be found in the manual. You should, at the end of the import wizard process, have three spss windows. I want to create boxplots for each substance, using recode to generate a new variable. You can recode single values, ranges of values, and missing values. 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.

Automatic recode if you have a string variable and have used blanks to indicate missing values, you may notice that spss does not automatically recognize the blank observations as missing. Different basic analyses will be described, which covers the statistical techniques taught at the bachelor level. In spss, there are three basic options for recoding variables. We also use the do if command, which is useful when you want to recode a variable based on different values of another variable. The variables, in this case, need to have the same coding structure.

Importing data means that you will use an existing data. Move across to the central box the first variable that needs recoding. Spss how do i merge the content of different variables into one for each case. Access free spss user manual recoding into different variables in spss this video demonstrates using the recode into different variables feature in spss. Recode changes to codes of one or more variables varlist1 according to a list of specifications enclosed in parentheses. If you select multiple variables, they must all be the same type. How to recode data in spss york st john university.

Each row corresponds to a case while each column represents a variable. In ibm spss statistics, people frequently have categorical variables with lots of values. Standard recode manual for dhs7 demographic and health surveys methodology. Recoding variables in spss statistics introduction.

In the scatterdot dialog box, make sure that the simple scatter option is selected, and then click the define button see figure 2. Different options depending on the analysis you want to do and how long you plan to use ibm spss. Spss recode and variable creation alvin d farmer jr. 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. For example, you may have measured peoples bmi body mass index as a continuous variable but may want to use it to create groups. Alternatively, it can be found in the spss installation folder for instance c. Spss windows there are six different windows that can be opened when using spss. Recoding may be needed in a number of different situtions. The purpose of this manual is to give insight into the general use of spss. If you attempt to enter data of the wrong type into a variable for example text into a numeric variable the data will not be accepted. This assignment teaches students how to recode a string variable into a numeric. 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.

Values outside the range implied by if or in are set to. A beginners tutorial on how to use spss software steven hecht, phd 1. You really should avoid alphanumerics, though, and there is a simple way to make the data better. In spss, values determine both how means are computed and how percentages are computed on tables. That is, the changes do not overwrite the original variable. This tutorial walks you through its main options, best practices and pitfalls. Grouping and recoding variables richard buxton and rosie cornish. I have 10 geographical areas, and 20 types of person.

Creating a new variable from an existing one in spss tutorial duration. A full spss syntax file to read a raw data file contains instructions to spss re. Written and illustrated tutorials for the statistical software spss. By recoding into the same variables, we retained all dictionary information such as variable labels, formats and user missing values still need to be set for these data. Government information and does not represent the views or positions of the u. You can use recoding to produce different values or codes for a variable. If you were to have a string variable that is not to be coded with a number, click on numeric and. Creating data means that you will enter the variables and values manually into spss to create a new dataset. You can recode numeric variables into string variables and vice versa. Recoding variables recoding string variables automatic recode. Opening a data file in addition to files saved in spss format, you can open spreadsheet excel, lotus 1. Spss wont let you type letters into a numeric variable. 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. Recoding variables in spss menus and syntax the analysis.

You can define values to recode in this dialog box. I have 9 identical source categories source1, source2. Click on recode into different variables from the drop down menu. 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.