survfit
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structure returned by survfit.
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conf.int
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determines whether confidence intervals will be plotted. The default is to
do so if there is only 1 curve, i.e., no strata.
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mark.time
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controls the labeling of the curves. If set to False, no labeling is done.
If True, then curves are marked at each censoring time. If mark.time is a
numeric vector, then curves are marked at the specified time points.
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mark
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vector of mark parameters, which will be used to label the curves.
The lines help file contains examples of the possible marks.
The vector is reused cyclically if it is shorter than the number of curves.
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col
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vector of colors. The default value is 1.
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lty
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vector of line types. The default value is 1.
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lwd
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vector of line widths. The default value is 1.
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cex
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parameter available to change the size of "mark".
Not a vector; all marks have the same size.
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log
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logical value: should the y axis be on a log scale?
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yscale
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will be used to multiply the labels on the y axis.
A value of 100, for instance, would be used to give a percent scale.
Only the labels are
changed, not the actual plot coordinates, so that adding a curve with
"lines(surv.exp(...{}))", say, will perform as it did without the yscale arg.
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yscale
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will be used in a similar manner for labels on the x axis. A value of
365.25 will give labels in years instead of the original days.
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xlab
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label given to the x-axis.
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ylab
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label given to the y-axis.
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xaxs
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the x axis style, as listed in par . The S default option of "r" leads to
curves that are "too far" from the y axis. This is, of course, just a matter
of esthetic opinion.
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