pairwise comparisons

  1. M

    Help finding appropriate test when observations are non-independent

    I have a data set consisting of data from 7 islands. I have measured the average gene flow between each pair of islands as well as the difference in temperature between each pair of islands. I want to know whether these to variables (average gene flow and "thermal mismatch" are correlated)...
  2. D

    Help with ranking data from pairwise comparison

    I am looking for a way to visualize pairwise comparisons from a non-parametric statistical test called Cochran's Q test. I am using the function below which returns the test statistic and p-value for each comparison. nprod <- ncol(mydf) pd <- sort(colnames(mydf)) cb <- combn(pd,2) nb...
  3. D

    bonferroni corrected p-values pairwise comparisons SPSS

    Dear, I am using Linear Mixed Modeling in SPSS. I have a significant interaction between two variables: correctness (2 levels: correct vs error) and condition (3 levels: drug a, drug b, drug c). In order to follow up on the significant interaction I run pairwise comparisons and ask SPSS to...
  4. S

    overal test differ from lsmeans/pdiff results

    Hi all, I run proc mixed and I am not sure how to explain the following results... I am interested in starch content in 3 parts of the same plant (leaves, roots, husks). I am interested in the effect of one factor (3 levels) on starch content in the entire plant and individual parts...