# Difference between revisions of "Segment 34. Permutation Tests"

Jump to navigation
Jump to search

Bill Press (talk | contribs) |
Bill Press (talk | contribs) |
||

Line 11: | Line 11: | ||

The direct YouTube link is [http://youtu.be/_4BUS1NGNHA http://youtu.be/_4BUS1NGNHA] | The direct YouTube link is [http://youtu.be/_4BUS1NGNHA http://youtu.be/_4BUS1NGNHA] | ||

− | Links to the slides: [http:// | + | Links to the slides: [http://wpressutexas.net/coursefiles/34.PermutationTests.pdf PDF file] or [http://wpressutexas.net/coursefiles/34.PermutationTests.ppt PowerPoint file] |

===Problems=== | ===Problems=== |

## Latest revision as of 14:45, 22 April 2016

#### Watch this segment

(Don't worry, what you see statically below is not the beginning of the segment. Press the play button to start at the beginning.)

{{#widget:Iframe |url=http://www.youtube.com/v/_4BUS1NGNHA&hd=1 |width=800 |height=625 |border=0 }}

The direct YouTube link is http://youtu.be/_4BUS1NGNHA

Links to the slides: PDF file or PowerPoint file

### Problems

#### To Calculate

1. Use the permutation test to decide whether the contingency table shows a significant association. What is the p-value?

2. Repeat the calculation using the Pearson chi-square statistic instead of the Wald statistic, or vice versa.

#### To Think About

1. Is slide's 7 suggestion, that you figure out how to implement the permutation test without "expanding all the data", actually possible? If so, what is your method?