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Hi! I have a problem of curve fitting. I use the following data : - vector of predictor data : 0 0.4 0.8 1.2 1.6 - vector of response data : 0.81954 0.64592 0.51247 0.42831 0.35371 I perform parametric fits using custom equations when I use this equation : y = yo + K *(1/(1+exp(-(a+b*ln(x))))) the fitting result is OK but when I use this more general equation : y = yo + K

Hello Guys, I'm using the package RankProduct to determine the differential expression of genes in 2 classes. The importance of the thing is to know: - How can I determine which class is the class of up-regulated genes and which to the down regulated gene - How can i interpret the results : $pfp, $RPs, $RPrank, Orirank,