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Dear all, I want to use smooth.spline to construct a cubic smoothing spline and its first derivative to my data. However, the predict.smooth.spline does not seem to provide a SE for both the fitted values and their...
Hello there, Is there any way to italicize Greek symbols such as mu in axis? From the help files of mathematical anotations: "Note that bold, italic and bolditalic do not apply to symbols, and hence not to the Greek symbols...
Hi, I am stuck in one problem when doing nonmetric multidimensional scaling. I use the function 'metaMDS' in the package 'vegan' to work on the presence/absence community data. The problem is when two samples are identical (dissimilarity = 0), metaMDS...
Dear R users: I want to assign a global font family to a levelplot such as par(family="serif") in traditional plotting. However, I can only change part of the text using panel.text(x,y,"A",fontfamily="serif") or...
Hi R users, I have a problem on how to pass an extra argument to do. call: The example codes are: #-------------------------------------------- require(ggplot2) plots = lapply(1:5, function(.x) qplot(1:10,rnorm(10), main=paste("plot",.x))) require(gridExtra...
Hi, I am trying to run a 1D nutrient-phytoplankton-zooplankton model in R using the package 'deSolve'. The code is shown below: DEPTH = seq(2.5, 147.5, 5) NPZ = function(t, state, params){ with(as.list(params), { P...
Prof. Ripley, Thanks. A stupid question: how to find out the codes (e.g.,u03bc) for the Greek letters? I am trying to italicize the mu in a mathematical expression placed as a label for an axis of a graph...
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