How do you categorize data in SPSS?
Recoding data into two categories
- Enter the data in the SPSS Statistics Data Editor and name the variable “Ratings”.
- Click on Transform > Recode Into Different Variable… in the top menu.
- Transfer the variable you want to recode by selected it and pressing the button, and give the new variable a name and label.
How do you exclude data in SPSS?
SPSS allows us to select part of the data set for further analysis, while excluding the remaining cases from these analyses. The procedure is found by choosing Select from the Data Menu. This option actually turns off any previous selection and uses all data in the file.
What is missing data in SPSS?
In SPSS, “missing values” may refer to 2 things: System missing values are values that are completely absent from the data. They are shown as periods in data view. User missing values are values that are invisible while analyzing or editing data. The SPSS user specifies which values -if any- must be excluded.
How do you select cases in SPSS with two variables?
You go to Data->Select Cases->and Click on ‘If condition is satisfied’ You then click on the ‘IF’ push button, highlight my variable, and click on the middle arrow to bring it over to the Expression box. You then specify ‘var=1’ AND ‘var=2’. When you do so, all the cases become unselected.
How do you use Select if in SPSS?
SELECT IF in SPSS basically means “delete all cases that don’t satisfy one or more conditions”. Like so, select if(gender = ‘female’). permanently deletes all cases whose gender is not female.
How do you select only certain cases in SPSS?
To begin, click Data -> Select Cases. This will bring up the the Select Cases dialog box. This provides a number of different options for selecting cases. We’re going to focus on the “If condition is satisfied” option, which you should select.
How do you exclude outliers in SPSS?
How to Remove Outliers in SPSS
- Click on “Analyze.” Select “Descriptive Statistics” followed by “Explore.”
- Drag and drop the columns containing the dependent variable data into the box labeled “Dependent List.” Click “OK.”
- Remove any outliers identified by SPSS in the stem-and-leaf plots or box plots by deleting the individual data points.
What is the does not equal sign in SPSS?
In addition to these elements, there are a number of useful logical functions, namely: [See the SPSS documentation for more.]…
Symbol | Alternative | Explanation |
---|---|---|
= | EQ | Equal |
~= | NE | Not equal |
< | LT | less than |
<= | LE | equal or less |
Can you do syntax in SPSS?
SPSS Do If Syntax Example 1
- *1. Set default directory and open data file. cd ‘d:downloaded’./*Or wherever “employees.
- *2. Recode command restricted to female respondents. do if gender = 0.
- *3. Recode command restricted to male respondents. do if gender = 1.
- *3. Inspect result. crosstabs income_class by gender.
How do I compare two variables in SPSS?
Using the Compare Means Dialog Window
- Open Compare Means (Analyze > Compare Means > Means).
- Double-click on variable MileMinDur to move it to the Dependent List area.
- Click Options to open the Means: Options window, where you can select what statistics you want to see.
- Click OK.
How do I use Sysmis in SPSS?
In SPSS, $sysmis is the name of the system missing value. You can include this in a compute statement or in an if statement, as you would any other variable name. 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.
What is Sysmis in SPSS?
SYSMIS (or system missing value) is a special “value” SPSS uses whenever it cannot determine the value of an observation. This may happen in several contexts: Results of transformation commands: Assume a simple example: COMPUTE C=A+B. whenever SPSS finds a missing value in A or B the value of C will become SYSYMIS.
How do I replace missing data in SPSS?
From Transform Menu –> Recode into Same Variable –> Old and New Variables –> System Missing –> in value space add the value you want to replace the missing data with –> continue –> Ok. Done.
How do you recode variables in SPSS?
Running the Procedure
- Click Transform > Recode into Different Variables.
- Double-click on variable CommuteTime to move it to the Input Variable -> Output Variable box. In the Output Variable area, give the new variable the name CommuteLength, then click Change.
- Click the Old and New Values button.
- Click OK.
Why do we recode in SPSS?
SPSS RECODE replaces data values with different values. It comes in handy for merging categories, dichotomizing continuous variables and some other tasks.