49 lines
1.0 KiB
Plaintext
49 lines
1.0 KiB
Plaintext
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\documentclass{article}
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\SweaveOpts{engine=R,eps=FALSE,pdf=TRUE,strip.white=true,keep.source=TRUE}
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\usepackage{Sweave}
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\begin{document}
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<<preliminaries, echo=FALSE, results=hide>>=
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options(width=70, useFancyQuotes = FALSE, prompt="R> ", continue="+ ")
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@
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\subsection*{Introduction}
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We generate 3D gaussian data,
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We generate 3D Gaussian data,
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<<ex1-U3>>=
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set.seed(1)
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n <- 100
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x <- rnorm(n); y <- 2*x + rnorm(n)/2
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U3 <- cbind(x, y, z = -3*x + y + rnorm(n)/4)
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@
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look at its structure
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<<str>>=
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str(U3) # its structure ((comment kept))
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@
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and load package \texttt{lattice}
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<<req-lattice>>=
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if(!require("lattice", quietly = TRUE)) q("no")
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@
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to visualize it by a simple scatter plot matrix
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\begin{figure}[h!]
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\centering
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<<splom-def, eval=false>>=
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splom(U3, xlab ="", cex = 0.4)
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<<splom, echo=FALSE, fig=TRUE, height=5>>=
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print(
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<<splom-def>>
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)
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@
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\caption{\Sexpr{n} vectors of random variates ... ...}
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\label{fig:AC_Joe}
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\end{figure}
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\subsection*{Session Information}
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<<sessionInfo, results=tex>>=
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toLatex(sessionInfo())
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@
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\end{document}
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