polycor (version 0.5)

print.polycor: Print Method for polycor Objects

Description

print method for objects of class polycor, produced by polychor and polyserial.

Usage

## S3 method for class 'polycor':
print(x, digits = max(3, getOption("digits") - 3), ...)

Arguments

x

an object of class polycor, as returned by polychor or polyserial.

digits

number of significant digits to be printed.

...

not used.

Value

• Invisibly returns x; used for its side effect --- i.e., printing.

See Also

polychor, polyserial

Examples

data <- rmvnorm(1000, c(0, 0), matrix(c(1, .5, .5, 1), 2, 2))
x <- data[,1]
y <- data[,2]
cor(x, y)  # sample correlation
x <- cut(x, c(-Inf, .75, Inf))
y <- cut(y, c(-Inf, -1, .5, 1.5, Inf))
polychor(x, y, ML=TRUE, std.err=TRUE)  # polychoric correlation, ML estimate