[R] about fitting a regression line

lily li chocold12 at gmail.com
Thu Jun 15 00:40:19 CEST 2017

Hi R users,

I have some data points (Xi, Yi), and they may follow such a pattern Yi =
cCOS(Xi) + d, how to find the c and d in R? which function to use? Also,
how to get the R2 and p value for this correlation? Thanks for any kind of

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