plot.cyEffTest: Plot method for a cyEffTest object

In ChainLadder: Statistical Methods and Models for Claims Reserving in General Insurance

Plot method for a cyEffTest object

Description

plot.cyEffTest, a method to plot the output of cyEffTest. It is designed to give a quick overview of a cyEffTest object and to check the assumption of independece between calendar years.

Usage

## S3 method for class 'cyEffTest'
plot(x, type = "l", xlab = "Z", ylab = "Density", 
                          main = "Calendar Year Effect", col.area = "gray", 
                          border = NA, ...)

Arguments

x	output from cyEffTest
type	Default: "l". What type of plot should be drawn
xlab	Default: "Z". X axis label
ylab	Default: "Density". Y axis label
main	Default: "Calendar Year Effect". Plot title
col.area	Default: "gray". Color of the shaded area.
border	Default: NULL, the color to draw the border. Use border = NA to omit borders.
...	optional arguments. See plot.default for more details.

Details

plot.cyEffTest shows the underlying distribution, the test statistic Z and the relative Confidence Interval. If the test statistic Z is within the highlighted region the hypothesis of dependence between calendar years could be rejected.

Author(s)

Marco De Virgilis [e-mail]

See Also

See Also cyEffTest, summary.cyEffTest

Examples

plot(cyEffTest(RAA))

ChainLadder documentation built on Sept. 11, 2024, 8:35 p.m.