![]() ![]() ![]() In matrix y, where each column is a different group and has the = α k) against the alternative hypothesis that at least one group isĭifferent from the others ( H 1 : α i ≠ α j for at least one i and j).Īnova1(y) tests the equality of column means for the data The model assumes that the columns of y are theĪNOVA helps determine if the constants are all the same.ĪNOVA tests the hypothesis that all group means are equal ( H 0 : α 1 = α 2 =. This model is also called the means model. Mean and constant variance, i.e., ε i j ~ ![]() The random error, independent and normally distributed, with zero The population mean for the jth group (level or Number, and j represents a different group (level) of the Is an observation, in which i represents the observation ![]()
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