Better way to find function
For #1, could you clarify what you mean by `function', an R function, or a regression function? For #2, there are several packages on CRAN (and in the R distribution itself) that fit regression splines, if that's what you meant by `piecewise regression'. For logistic regression, you can either use the bs() term in glm(), or gam() in the `mgcv' package. HTH, Andy
From: nuvo nuvo To whom it may concern, 1. I would like to know if there is a command in R to choose a function for a given dataset. I am facing a difficult question about how to fit the data [ please attachment ] 2. Are there any function that will allow users to do the piecewise regression? If not, is it going to be provide in the new updated version? What I am using is the piecewise logistic regression, but it doesn't have a continuous function though. I hope that R would have a specific command to do the piecewise (non)linear regression. I would apprecaite your suggestion. Sincerely yours, Nhum
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