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jtaylor
2010 Jun 17
1
Multiple ecdf plots?
...number value. What I would like to be able
to do is for the 162 different files (or we could call them categories), is
compute the ecdf for the values within that category. Then plot the ecdf
for each file on the same graph. Essentially, it would look something like
http://www-stat.stanford.edu/~jtaylo/courses/stats202/R/chap3_data_exploration/iris_ecdf.png,
but instead of the 3 lines, it would show 162. They don't have to be
different colors, and the number of records in each file category changes.
I was considering using a matrix and adding to it via a loop, but couldn't
quite get it...
2010 Jun 16
4
Is there a non-parametric repeated-measures Anova in R ?
Hello Prof. Harrell and dear R-help mailing list,
I wish to perform a non-parametric repeated measures anova.
If what I read online is true, this could be achieved using a mixed Ordinal
Regression model (a.k.a: Proportional Odds Model).
I found two packages that seems relevant, but couldn't find any vignette on
the subject:
http://cran.r-project.org/web/packages/repolr/