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| Variance greater than the maximum all... |
 
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Hi,
I am analysing PISA data and I get this error:
"One or more variables have a variance greater than the maximum allowed of 1000000."
Indeed, the student ID variables has a great variance as it has values like 30002554. However, I could leave with keeping only the last four digits for each value.
Is this a common issue when analyzing PISA data?
What can I do?
Thanks,
Anastasios |
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| Don't include the ID variable in your USEV list. You are not interested in its sample statistics. |
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