Posts Tagged ‘ paired samples ’

Permutation Test with Stratified Data and Repeated Measurements

April 21, 2011
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Permutation Test with Stratified Data and Repeated Measurements

This is an example for a permutation test on stratified samples with repeated measurements. Samples are interdependent firstly because they come from several sites and secondly because the sampling was repeated a second time. That is samples of the sam...

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Bootsrap Confidence Intervals, Stratified Bootstrap

April 20, 2011
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Bootsrap Confidence Intervals, Stratified Bootstrap

 Here's a worked example for comparing group averages with bootstrap confidence intervals and allowing for different subsample sizes by calling the strata argument within the bootstrap function.The data is set up analogous to an before-after impac...

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