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Results tagged with anova
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ANOVA stands for ANalysis Of VAriance, a statistical model and set of procedures for comparing multiple group means. The independent variables in an ANOVA model are categorical, but an ANOVA table can be used to test continuous variables as well.
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Investigate change in mean levels of risk within a service- alternative to unbalanced repeat...
Clearly this kind of analysis lends itself to ANOVA, except that the measures are repeated and it's completely unbalanced. … to so far because I haven't really got anywhere- I'm thinking along the lines of calculating the mean levels of risk in each service for each day over the whole study and putting this into a balanced ANOVA …
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If the t-test and the ANOVA for two groups are equivalent, why aren't their assumptions equi...
ANOVA is equivalent to linear regression with dummy variables, and uses sums of squares, just like OLS. That's why there's an assumption of normality of RESIDUALS. … So why is it that the t-test is equivalent to ANOVA with two groups? How can they be equivalent if they don't even assume the same things about the data? …
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