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}
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}
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\usage{
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\usage{
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cdplot(x, \dots)
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cdplot(x, \dots)
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\method{cdplot}{default}(x, y,
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\method{cdplot}{default}(x, y,
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  plot = TRUE, tol.ylab = 0.05,
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  plot = TRUE, tol.ylab = 0.05, ylevels = NULL,
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  bw = "nrd0", n = 512, from = NULL, to = NULL,
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  bw = "nrd0", n = 512, from = NULL, to = NULL,
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  col = NULL, border = 1, main = "", xlab = NULL, ylab = NULL,
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  col = NULL, border = 1, main = "", xlab = NULL, ylab = NULL,
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  yaxlabels = NULL, xlim = NULL, ylim = c(0, 1), \dots)
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  yaxlabels = NULL, xlim = NULL, ylim = c(0, 1), \dots)
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\method{cdplot}{formula}(formula, data = list(),
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\method{cdplot}{formula}(formula, data = list(),
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  plot = TRUE, tol.ylab = 0.05,
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  plot = TRUE, tol.ylab = 0.05, ylevels = NULL,
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  bw = "nrd0", n = 512, from = NULL, to = NULL,
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  bw = "nrd0", n = 512, from = NULL, to = NULL,
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  col = NULL, border = 1, main = "", xlab = NULL, ylab = NULL,
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  col = NULL, border = 1, main = "", xlab = NULL, ylab = NULL,
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  yaxlabels = NULL, xlim = NULL, ylim = c(0, 1), \dots,
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  yaxlabels = NULL, xlim = NULL, ylim = c(0, 1), \dots,
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  subset = NULL)
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  subset = NULL)
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}
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}
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  \item{data}{an optional data frame.}
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  \item{data}{an optional data frame.}
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  \item{plot}{logical. Should the computed conditional densities be plotted?}
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  \item{plot}{logical. Should the computed conditional densities be plotted?}
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  \item{tol.ylab}{convenience tolerance parameter for y-axis annotation.
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  \item{tol.ylab}{convenience tolerance parameter for y-axis annotation.
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    If the distance between two labels drops under this threshold, they are
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    If the distance between two labels drops under this threshold, they are
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    plotted equidistantly.}
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    plotted equidistantly.}
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  \item{ylevels}{a character or numeric vector specifying in which order
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    the levels of the dependent variable should be plotted.}
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  \item{bw, n, from, to, \dots}{arguments passed to \code{\link{density}}}
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  \item{bw, n, from, to, \dots}{arguments passed to \code{\link{density}}}
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  \item{col}{a vector of fill colors of the same length as \code{levels(y)}.
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  \item{col}{a vector of fill colors of the same length as \code{levels(y)}.
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    The default is to call \code{\link{gray.colors}}.}  
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    The default is to call \code{\link{gray.colors}}.}  
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  \item{border}{border color of shaded polygons.}  
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  \item{border}{border color of shaded polygons.}  
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  \item{main, xlab, ylab}{character strings for annotation}
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  \item{main, xlab, ylab}{character strings for annotation}
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cdplot(fail ~ temperature, bw = "SJ")
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cdplot(fail ~ temperature, bw = "SJ")
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## compare with spinogram
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## compare with spinogram
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(spineplot(fail ~ temperature, breaks = 3))
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(spineplot(fail ~ temperature, breaks = 3))
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## highlighting for failures
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cdplot(fail ~ temperature, ylevels = 2:1)
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## scatter plot with conditional density
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## scatter plot with conditional density
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cdens <- cdplot(fail ~ temperature, plot = FALSE)
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cdens <- cdplot(fail ~ temperature, plot = FALSE)
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plot(I(as.numeric(fail) - 1) ~ jitter(temperature, factor = 2),
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plot(I(as.numeric(fail) - 1) ~ jitter(temperature, factor = 2),
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     xlab = "Temperature", ylab = "Conditional failure probability")
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     xlab = "Temperature", ylab = "Conditional failure probability")
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lines(53:81, 1 - cdens[[1]](53:81), col = 2)
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lines(53:81, 1 - cdens[[1]](53:81), col = 2)