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Add Cases – means that you will be adding more observations to the current dataset. I really like how SPSS states these, since it makes it clear as to how you are adding the data from one file to the next. There are 2 ways to merge datasets in SPSS: Add Cases or Add Variables.
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You should now have 4 SPSS datasets saved on your computer called: January.sav, February.sav, March.sav, and April.sav Merging Datasets Remember that although the Excel file can hold several worksheets with different data, statistical packages such as SPSS and SAS, cannot bring in the entire file at the same time, you will need to bring in each worksheet separately. Our goal is to create one SPSS dataset that contains all 4 Excel worksheets.įirst, let’s 0pen each worksheet in SPSS and save them using the dataset names of January, February, March, and April. For the month of April we have an additional individuals with weight measures taken in January and April. Weight measures were taken on 25 individuals in January, February, and March.
#SPSS CODE COMBINING DATA INTO VARIABLE DOWNLOAD#
Download the file and save it on your computer. Let’s start by downloading a dataset to use for this workshop, a dummy dataset I created in Excel. Pick the method that is the most comfortable for you, when working with your data.
#SPSS CODE COMBINING DATA INTO VARIABLE HOW TO#
Many of these functions are easily performed in Excel, but I’d like to show you how to take advantage of some of the data manipulation options available to you in SPSS. This workshop will walk you through the steps in SPSS to help you merge datasets, create new variables, and recode variables in your current dataset. You want to match up records by identifiers. In both files each case has an identifier, and the identifiers match across cases. Each case in the one file corresponds to one case in the other file. Merge-SPSS Merging Data Files In SPSS You have two data files. In general, combining datasets takes one of two forms: Appending: Placing the second dataset below the first dataset (also called stacking) Match-merging: Joining the datasets in such a way that one or more cases from one dataset can be matched to one or more. The problem I'm running into is that, when I merge these datasets, SPSS wants to combine data on variables with common variable names by overwritting the data from one onto the other.