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predframe
2010 May 18
2
automate curve drawing on nls() object
Hi, I would like to use the curve() function to draw the predicted curve from an nls() object. for example:
dd<-read.table("dd.txt",sep='\t',header=T,row.names=1)
obj<-nls(y~c+(d-c)/(1+(x/e)^b),data=dd,start=list(b=-1, c=0, d=100, e=150))
coef(obj)
b c d e
-1.1416422 0.6987028 102.8613176 135.9373131