plot.dfCorTest, a method to plot the output of dfCorTest. It is designed to give a quick overview of a dfCorTest object and to check the assumption of independece between development factors.
## S3 method for class 'dfCorTest'plot(x, type ="l", xlab ="T", ylab ="Density", main ="Development Factor Correlation", col.area ="gray", border =NA,...)
Arguments
x: output from dfCorTest
type: Default: "l". What type of plot should be drawn
xlab: Default: "Z". X axis label
ylab: Default: "Density". Y axis label
main: Default: "Development Factor Correlation". 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.dfCorTest 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 correlation between development factors could be rejected.