plot.checks {ConjointChecks} | R Documentation |
Plot checks produced by ConjointChecks
.
Description
Takes output from ConjointChecks
and produces a matplot
showing
the percentage of reported violations at each cell.
Usage
## S3 method for class 'checks'
plot(x,items=NULL,item.labels=TRUE,...)
Arguments
x |
Object returned by |
items |
Vector of item numbers to include in a single plot. Defaults to all, but this is less helpful for diagnostic purposes. |
item.labels |
Should item numbers be included? Defaults to |
... |
further arguments passed to or from other methods |
Value
No return value, called for side effects
References
Tufte, E. R. (2001). The visual display of quantitative information (2nd ed.). Chesire, CT: Graphics Press.
Examples
opar <- par()
par(mfrow=c(3,2))
plot(rasch1000)
plot(rasch1000,items=c(5,10,15))
for (i in c(3,9,13,18)) plot(rasch1000,items=i)
par(opar)