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F-Test in R: Compare Two Sample Variances ... The R function var.test() can be used to compare two variances as follow: ... Interpretation of the result.
numeric vectors of data values, or fitted linear model objects (inheriting from class "lm" ). ratio. the hypothesized ratio of the population variances of x ...
2017年8月2日 — Research questions and statistical hypotheses Formula of F-test ... The R function var.test() can be used to compare two variances as follow ...
Source: R/var.test.R. var.test.Rd ... This function is a generalization of var.test function from stats package. var.test( x, y = NULL, ...
Default S3 method: var.test(x, y, ratio = 1, alternative = c("two.sided", "less", "greater"), conf.level = 0.95, ...) ## S3 method for class 'formula' ...
In the following R code, we want to test the equality of variances between the two groups OJ and VC (in the column “supp”) for the variable len . res <- var.
2020年10月12日 — Alternative Hypothesis: The variances are different. Implementation in R: With the help of var.test() method, one can perform the f-test between ...

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