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src_pos
2010 May 07
2
smooth line overlap with histogram
Hi r-users,
I would like to overlap a smooth line on the histogram. I tried using spline but it does not work.
sq <- seq(0,900,by=50)
sq.50 <- as.character(sq)
datobs <- sum_pos
## first, plot histogram
histo <- hist(datobs,breaks=sq,freq=F)
## extract counts from histogram and calculate the probability in
## each specified interval. Also check the length of the interval is
## the same with the length of the fitted model.
hct <- c(0,histo$counts)/length(datobs)...