S3 plotting Method for object of class"pair"
# S3 method for pair
plot(x, sortdif = FALSE, ra = "auto", main = NULL,
col.lines = (1:dim(x$threshold)[2]), type = "b", xlab = "items",
ylab = "logits", pch = (1:dim(x$threshold)[2]), las = 3,
cex.axis = 0.8, ...)
object of class"pair"
logical wether to order items by difficulty
either the character "auto"
(default) or an numeric, defining the (logit) range for y-axis
see plot
vector of colors for threshold profile lines
see plot
see plot
see plot
see plot
see plot
see plot
other parameters passed to plot