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I am merely trying to increase the line thickness, or line width, of the box drawn around the legend in a plot I am constructing. The help page on 'legend' was of no use. Does anyone have an idea on...

I am using a two-factor ANOVA model with random factor effects including the interaction, i.e. the factors are crossed. I would like to be able to generate all four variance components along with approximate confidence intervals using the...

Does anyone have any R code or suggestions on how to generate a population that follows a Neyman-Scott process? More specifically, I'd like to randomly generate both the parents and the children from Poisson distributions and the children...

Does anyone have any R code or suggestions on how to generate a population that follows a Neyman-Scott process? More specifically, I'd like to randomly generate both the parents and the children from Poisson distributions and the children...

I am merely trying to reproduce Figure 1.2 of Chris Chatfield's 6th edition of his The Analysis of Time Series: An Introduction (page 2). The S-PLUS code is on pages 305-306. I am almost there but...

To those who might be interested -- following is the solution to my previous post regarding reproducing output from SAS Proc Mixed for a two-factor crossed random effects ANOVA model. I am graciously endebted to the kind replys from two...

To anyone who can help: I have two brief questions concerning sapply. Following below is the code for my example. The two problems are described at the end of the code: site <- rep(2:6, each = 12) tillage <- rep(c...

Louis: R has many options for time series analysis. Google "R time series". A couple of good books to get you started are 1.) Time Series Analysis: With Applications in R by Cryer and Chan and 2.) Time Series Analysis...

I am trying calculate a probability using numerical integration. The first program I ran spit out an answer in a very short time. The program is below: ## START PROGRAM trial <- function(input) { pmvnorm(lower = c(0,0), upper = c(2...

I asked this before and I am going to try again in more applied terms. I am trying to use R to extract variance components for a two-factor random effects model with both factors crossed. It would also be...