Close data without saving and reopen before proceeding. In code page mode, if strexpr is a string variable, use rtrim if you only want the actual string value without the rightpadding to the defined variable width. Jul 09, 20 we can use a simple loop and the pib variable format in spss to clean out unwanted ascii codes in string characters. Spss was developed to work on windows xp, windows vista, windows 7, windows 8 or windows 10 and. Cut, copy, paste and delete variable attribute values spss.
Spssx discussion rearranging variables using syntax. The automatic recode function is used to recode variables containing strings into numerically coded variables. If you select multiple variables, they must all be the same type. All implementations of the program allow the a format. New string variables can now be referenced as emo1, emo2 and so on. Is it possible to copy the value labels of a variable to another variable through the syntax. For example, you could collapse salaries into salary range categories. Using the automatic recode function in spss youtube. As you can see from the image below, spss did a good job with our sample data, correctly identifying subjectid, gender, dogowner and frisbeethrowing as data type numeric, and education as data type string.
We can use a simple loop and the pib variable format in spss to clean out unwanted ascii codes in string characters. For example, if one checks answers 02, 05 and 07 it is saved in the variable questiona as the string 02. However, just to make things confusing, spss allows you to select among several different standard formats for displaying numeric data e. For cloning the first variable, id, we simply enter it into the first box. Spssx discussion syntax for do if var contains string x. In my spss dataset i have a string variable questiona containing the answer to a certain question. You can also use variables in the active dataset as templates for other variables in the active dataset.
In the sample data file, the variable state is a string variable representing whether the student is an instate student or an outofstate student. String cannot be used to redefine an existing variable. To compute a new variable, click transform compute variable. This tutorial shows how to compute new variables in spss using formulas and builtin. In most cases, you will want to change the string variable to be numeric, as shown below. In the example above, a8 indicates a string variable eight. Spssx discussion syntax help duplicating variables.
One way is to use the number function with the compute command. Syntax involving string variables sage research methods. 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 are changed in place. Since most of the syntax other than the variable name is invariant, i just create a column of the same in an excel spreadsheet and in the adjoining column, i paste the variable name. The joy of pasting spss syntax the analysis factor. Where variable15 is the variable you want to use and it is the 15th variable in the dataset. Spss variable types ssps has two variable types, namely numeric and string. String variables may contain numbers, letters and other characters. Remember that in a string variable, a missing value is a null, or empty, string. The recode into different variables window will appear.
Spss splitting a string variable into new variables. How can i count how many cases are missing in a string. Create new variables in the active dataset based on variables in the external source data file. You can copy paste the variable definition datatype, length, ect in the variable view. How can i easily convert a string variable to a categorical. I have a main dv string, which is divided onto four different spss variables one for each experimental condition. Duplicate variable names are also not permitted in spss our system will identify any duplicates in the general tab of your export. How can i convert string variables into date variables. I have an spss datafile which separated responses from two groups of participants on the same survey question into two variables in spss i. Open some data and navigate to utilities clone variables.
Now when we create a frequency table for the recoded variable, it should reflect the proportion of values that are missing. This video demonstrates how to use the automatic recode function in spss. Dear colleagues, i would like to be able to duplicate a variable v1 x times according to the value of another variable v2. The dataset copy command creates a new dataset that captures the current state of the active dataset. This is particularly useful for creating multiple subsets of data from the same original data source. Spss how to convert string variables into numeric ones. The optional argument a4 specifies the number of occurrences to replace. There are several ways that you can change a string variable into a numeric variable. Cut or copy a single cell value to a group of cells. You could do that, but if all of your missing variable strings are coded as 66, i would just make a new set of variables, recode the 66 to a blank string, and then concatenate the variables all.
Patients name new name annis, david dav armour, stephen ste jacko, rick ric a posted by ray to spssxl list on 20020124. Shows how to recode variables using pspp the open source alternative to spss. The tool also checks whether input variables are string variables. Copying a variable from one dataset to another in spss. Try ibm spss statistics subscription make it easier to perform powerful statistical.
This process works by applying the variable and file properties from one file to the currently active dataset. The syntax we use can be copypasted or downloaded here. Other string formats may be available on some systems. In addition, the definition of a long string depends on your operating system. If your date variable is entered exactly like this, then you can use the numeric function to convert it into a numeric variable. Spss string variables quick introduction spss tutorials.
Recoding string variables automatic recode spss tutorials. Spss variable names cannot include special characters. Recode specifies state as the source variable and state1 as the target variable. However, instead of just one answer, it is possible to check more than one answer. The copy data properties wizard provides the ability to use an external ibm spss statistics data file as a template for defining file and variable properties in the active dataset.
Like numeric variables, string variables can have labels, and missing value declarations, although. Using spss and paswmoving variables wikibooks, open books. How can i change a string variable into a numeric variable. String variables recode command ibm knowledge center. Numeric type numeric variables contain values that are in number form, like in scientific notation or standard format. This allows you to specify how you would like missing values in a string variable to b handled when autorecoded. If a longer string is copied into a shorter it will simply be. Spss documentation and commands refer to text data as being in a string format and such data are found in string variables. The name of the new variable that will be created during the computation.
This value can be one or more blanks, or a numeric code such as 9999. To recode into different variables, click transform recode into different variables. The dataset has 435 observations in all, and spss reports that there are zero missing values. So for instance if i wanted to replace all the numbers with nothing in a string field i could use this code below where origfield is the original field with the numbers contained, and cleanfield is the subsequent cleaned variable. Those who want to give it a quick shot can download and open freelancers. Cut, copy, paste and delete variable attribute values spss data grid the variables tab lets you cut, copy, paste and delete variable attribute values. To compute string variables, the general syntax is virtually identical. Do you know how i can import all the value labels as well as.
Q i have data file with a string variable containing patients first and last name. Education software downloads spss by ibm and many more programs are available for instant and free download. But a safer way is to save your dataset in two different files. A posted to spssxl list by raynald levesque on 20020903. As long as the system thinks its a string variable i. For ease of processing coding i want to copy the content. Ive searched high and low and read all of the syntax reference documents with no success, i know you can replace a string within a variable via replace page 337 of the syntax ref that i have but i cant find any reference to a way of using part of a string variable as an argument in a do if statement.
The meaning of read variable names from the first row of data checkbox, the worksheet dropdown, and the range box are the same as above. The syntax tells spss to keep variables 1 through 14 where they are, as well as variables 16 through 36. The compute variable window will open where you will specify how to calculate your new variable. The difference between string and numeric variables is crucial due to the fact that variable type dictates what you can or cannot do with a variable. Is it possible to copy variables syntax from one databse to. Spss is much better at handling numeric variables than string variables data entered as text. I am trying to copy the value labels to excel but it cuts off the value labels field at just one item. Copy and paste variables, cases, andor variable properties between two or more open data sources in the data editor. Essentially im trying to achieve what this pseudo code says. How do i keep the first 3 letters of the last name only in a new variable. After cloning, we can safely recode into the same variables, leaving the variable order intact and minimizing the need for dictionary modifications after recoding.
If you need to run the same syntax for a number of variables, it is quite tedious to copy and paste each variable separately. String declares the variable state1 so that it can be used as a target variable on recode. I know its possible through copy pasting but im wondering if there. Combine a string variable and a numeric variable spss. Spssx discussion spss to excel copying variable names. Simply type a name for the new variable in the text field. To do this, you need to create a new variable using the compute command. Click the arrow in the center to move the selected variable to the center text box, b. But numeric variables have varied distinct formats that are often confused with variable types. To indicate a missing value in a string variable, you need to use the missing values command and assign a value to missing cases. This is particularly useful for creating multiple subsets of.
Recode recodes the string variable sex into the numeric variable nsex. In spss, there are no other variable types other than numeric and string. Because the variable score is a string variable, we cannot calculate a mean, etc. Once again, that was just data, copy dataset and then ill need to go ahead and save my new data set with a name, but thats a very simple method for copying a data file. Open a ticket and download fixes at the ibm support portal find a technical tutorial. Feb 10, 2012 short tutorial on importing data entry into spss from microsoft excel to accompany my book discovering statistics using spss. The basic variable types are either numeric or string. Using a convenient rightclick context menu, you can. If so, it automatically declares the new string variables with the correct lengths that are needed for recoding into. This feature allows the creation of new variables using a variety of possible calculations. Next, download and install the spss clone variables tool. Arguments a1, a2, and a3 must resolve to string values literal strings enclosed in quotes or string variables, and the optional argument a4 must resolve to a nonnegative integer.
In spss, you can modify any function that takes a list of variables as arguments using the. Sep 19, 20 ive searched high and low and read all of the syntax reference documents with no success, i know you can replace a string within a variable via replace page 337 of the syntax ref that i have but i cant find any reference to a way of using part of a string variable as an argument in a do if statement. Is it possible to copy variables syntax from one databse to another database in spss. In spss, recoding categorical string variables to numeric codes and converting blank. So for example variable emotions with value labels 1 happy 2 sad 3 joy. Creating separate lists of numeric and string variables. If you give it no id variable, spss will assume that the lines belong together, one by one, in the order that they exist. You can copy, paste, and execute the following syntax to generate this dataset in spss, or you can download the linked spss datafile below. And then merge these files several times, saying you want to add new cases. To create a new string variable, declare the variable with the string.
Hence, substssn, 1, 3 tells spss to use the variable ssn, start at the first position in the variable and take three characters. However, it tells spss to move variable 15 to the end of the dataset. Returns a string that is the concatenation of all its arguments, which must evaluate to strings. Copyingrecoding string variables into new variable. Spss string function converts numeric values to string values. For example the sting variable is math, the number is 101 and i need math101. Q how can i combine a string and a numeric variables.
Try ibm spss statistics subscription make it easier to perform powerful. The software lies within education tools, more precisely science tools. The solution is to change one of the variables to be the same type as the other. Apr 22, 2015 this video demonstrates how to use the compute variable functionality in spss. Recoding variables spss tutorials libguides at kent. Specify the variables youd like to clone and some prefix. When i copy any variable from 1 data set to another, the copying seems to work fine. In spss, how do i convert between numeric variables and. Variable names may be added or changed simply by typing them in.
The left column lists all of the variables in your dataset. You can confirm in the variable view window, you can see that in addition to copying the original string values to the category labels, spss also defined category 3 as missing. How do i create and modify string character variables. To check this, click on the variable view tab see red arrow, above.
The recode into same variables dialog box allows you to reassign the values of existing variables or collapse ranges of existing values into new values. Copyingrecoding string variables into new variable showing 19 of 9 messages. You can only define missing values for string variables whose length is eight or less what spss calls short string variables. Since the default variable type in spss is numeric, you need to define your string variable in advance. Dear listers, i need to rearrange some variables in an spss file and i am wondering if any of the following can be done through syntax. If you create a frequency table of this variable analyze descriptive statistics frequencies, you will notice something strange. The maximum width for string columns option determines how wide a string variable should be. In spss, to convert a numeric variable to a string variable, use the string function. Importing data into spss from excel easy spss tutorial. As long as a case has at least n valid values, the computation will be carried out using just the valid values.
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