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Results tagged with hypothesis-testing
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user 4559
Hypothesis testing assesses whether data are inconsistent with a given hypothesis (usually a null hypothesis of no effect).
1
vote
What to do with a small (27) medical dataset?
I agree with JMS, you will need to plot each of your variable first because PCA requires the normality assumption. If your variables are not normally distributed then it is not appropriate to use PCA …
- 2,977
53
votes
3
answers
52k
views
Bootstrap vs. permutation hypothesis testing
There are several popular resampling techniques, which are often used in practice, such as bootstrapping, permutation test, jackknife, etc. There are numerous articles & books discuss these techniques …
- 2,977
44
votes
3
answers
74k
views
Computing p-value using bootstrap with R
I use "boot" package to compute an approximated 2-sided bootstrapped p-value but the result is too far away from p-value of using t.test. I can't figure out what I did wrong in my R code. Can someone …
- 2,977