Test Anova Assumptions Stata. Levenes test is very important when it comes to interpreting the results from an independent t-test guide because Stata is capable of producing different output depending on whether your data meets or fails this assumption. For instance to perform a one-way layout of a variable called endog on exog you would type anova endog exog.
Our first assumption is the assumption of independence. For instance to perform a one-way layout of a variable called endog on exog you would type anova endog exog. Independence assumption the elements of one sample are not related to those of the other sample normality assumption samples are randomly drawn from the normally distributed populstions with unknown population means.
One-way ANOVA We run an experiment varying the amount of fertilizer used in growing apple trees.
One-way ANOVA We run an experiment varying the amount of fertilizer used in growing apple trees. For instance to perform a one-way layout of a variable called endog on exog you would type anova endog exog. Recall that this assumption is assessed through an examination of the design of the study. Nolabel causes the numeric codes to be displayed rather than the value labels in the ANOVA and multiple-comparison test tables.