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dear list I am student M.S. statistics in department statistics . I am working in the function "nls" in the [R 2.3.1] with 246 data and want to fit the "exp" model to vectors( v and u ) but I have a problem to use it u 5.000000e-13 2.179057e+03 6.537171e+03 1.089529e+04 1.525340e+04 1.961151e+04 2.396963e+04 2.832774e+04 3.268586e+04 3.704397e+04 4.140209e+04

...are? 2) in each stage of cross validation different feature subset will be created . i can compute for each feature the number of times it has repeated in each folding result, but after that how can i conclude the final feature set? can you please help me? I need your urgent help. thanks in advance Azadeh [[alternative HTML version deleted]]

Hi; I want to use bootstrap .632 with predab.resample, but the description is not clear for me. Can any body give me an example please. Thanks; Azad. [[alternative HTML version deleted]]