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Questions - hypothesis-test

F-test with complex survey designs (R)

I would like to perform an F-test on the equality of variances between a a sample conducted with simple random sampling, and one which incorporates weighting and stratification into the survey design....
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Nate

r

survey

variance

hypothesis-test

Votes: 0

Answers: 1

Latest Answer

I don't think this is going to work. The design df you get from degf are intended to describe the uncertainty in the standard error of the mean, and related standard error estimates, not the uncertai...
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Thomas Lumley

When doing a t-test with t.test() while piping, what does the period do in "data=."?

I have a data frame with 2 columns being age and sex. I'm doing statistical analysis to determine if there's a difference in the age distribution in the two groups of sex. I know that if I don't call ...
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AvocadoFishy

r

magrittr

hypothesis-test

Votes: 0

Answers: 1

Latest Answer

As @markus has pointed out, d is passed to the data argument in t.test. Here is the output from data(sleep) using the .. library(dplyr) data(sleep) sleep %>% t.test(formula=extra ~ group, data = ....
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AndrewGB

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