vitaminL: Data From The Vitamin Study (Long Format)

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Data from the vitamin Study, a randomized study where the growth of guinea pigs was monitored before and after intake of vitamin E/placebo. The weight of each guinea pig was recorded at the end of week 1, 3, 4, 5, 6, and 7. Vitamin E/placebo is given at the beginning of week 5. This dataset is in the long format (i.e. one line per measurement).




Crowder and Hand (1990, p. 27) Analysis of Repeated Measures.

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