search for: xtol

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2008 Sep 24
3
Changing a plot
Hello list, I've been working on this problem for a while and I haven't been able to come up with a solution. I have a couple of functions that plot a bunch of data, then a single point on top of it. What I want is to be able to change the plot of the point without replotting all the data. Consider the following example: x = rnorm(100,1,0.5) y = rnorm(100,1,0.5) plot(x,y,pch=16)
2005 Aug 30
2
problem in generating positive stable random numbers
Dear all, I am trying to use the rstable(n, alpha, beta, gamma = 1, delta = 0, pm = c(0, 1, 2))) function to generate positive stable random numbers. For positive stable distribution, beta==1 and alpha is in (0,1), which defines random variables with support (0, infinity). So, I used rstable(100, 0.5, 1) for an example. I found that this gives me some negative numbers. For example, >