cenxyplot {NADA} | R Documentation |
Produces a censored x-y scatter plot
Description
Draws a x-y scatter plot with censored values represented by dashed lines spanning the from the censored threshold to zero.
Usage
cenxyplot(x, xcen, y, ycen, log="", lty="dashed", ...)
Arguments
x |
A numeric vector of observations. |
xcen |
A logical vector indicating TRUE where an observation in x is censored (a less-than value) and FALSE otherwise. |
y |
A numeric vector of observations. |
ycen |
A logical vector indicating TRUE where an observation in y is censored (a less-than value) and FALSE otherwise. |
log |
A character string which contains '"x"' if the x axis is to be logarithmic, '"y"' if the y axis is to be logarithmic and '"xy"' or '"yx"' if both axes are to be logarithmic. Default is '""', or both axis linear. |
lty |
The line type of the lines representing the censored-data ranges. |
... |
Additional items that get passed to |
Author(s)
R. Lopaka Lee <rclee@usgs.gov>
Dennis Helsel <dhelsel@practicalstats.com>
References
Helsel, Dennis R. (2005). Nondectects and Data Analysis; Statistics for censored environmental data. John Wiley and Sons, USA, NJ.
Examples
data(DFe)
with(DFe, cenxyplot(Year, YearCen, Summer, SummerCen))