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Load data

4 - Intro to R Load data

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ExampleFriday Saturday Sunday Thursdayμ μ + Sat μ + Sun μ + Thur15Ancova and othermodels• Can have categorical and continuousvariables in a model.• When adding terms• a:b is the interaction between a and b• a*b gives linear terms and interaction• a*b is the same as a + b + a:b 16

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