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Old 03-07-2013, 10:42 PM
palmipede palmipede is offline
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Default General question on sampling bias

Greetings!

Does one speak of sampling bias when the training data points come from the same distribution, e.g. normal, uniform, but are statistically dependent?

Say for example that a questionnaire is passed around via friendship links on Facebook. There is a chance that everyone might see the questionnaire over a long enough period of time but that period might be longer than the time allotted to the machine learning project.
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