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Hi, I would need to extend the Friedman test to a replicated design. Currently the function: friedman.test(y, ...) only works for unreplicated designs. I found in Conover 1999 "Practical Nonparamteric statistics" an extension of the formula to my case. Nevertheless, other sources, like Sheskin 2000 "Parametric and Nonparametric statistical Procedures" and Daniel 1990

Hallo, is there any extension of the pairwise Wilcoxon test to a dependent samples layout with replicates (or, in other terms, a one-way layout with blocking and replicates)? The Wilcoxon method with matched pairs works for the case of dependent samples with one observation per block, while the Mann-Whitney test works for independent samples, thus one single block and replicated observations. Is

Hi, I'm still confused about how to find out what methods are defined for a given class. For example, I know that > today <- Sys.Date() will produce an object of type Date. But I'm not sure what I can do with Date objects or how I can find out. > ?Date refers me to the Date documentation page. But it doesn't tell me how, for example, to extract the current year from a