Cant assign missing values to string variable in SPSS using the GUI
I am strugling recoding missing values in SPSS using the graphical user interface. I can easily recode numeric variables using the GUI and the dialogue box shown below:
But when i enter a string variable into the same dialogue box the option to define the new value as "System-missing" is not available:
Surely such a simple problem can be solved without using the syntax editor?
Im using SPSS version 19
It is because system-missing values are defined only for numeric variables. You can define user-missing values for strings. For example, recode to some unused string value, like "99999" and set the value "99999" as user-missing afterwards.
IBM SPSS Statistics 19 Command Syntax Reference, page 55:
System-missing values cannot be generated for string variables, since any character is a legal string value.
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