SSRA (version 0.1-1)

scatterplot: Scatterplot Matrices

Description

This function produces a scatterplot matrix

Usage

scatterplot(data, type = c("jitter", "size", "count", "sun"))

Arguments

data

a data frame

type

type of plot, i.e., 'jitter', 'size', 'count', and 'sun'

Author

Takuya Yanagida Keiko Sakai

Details

Takea Semantic Structure Analysis (TSSA) and Sakai Sequential Relation Analysis (SSRA) are graphical approaches

References

Takeya, M. (1991). A new test theory: Structural analyses for educational information. Tokyo: Waseda University Press.

See Also

TSSA, SSRA

Examples

# Example data based on Takeya (1991)

# Scatterplot matrix: jitter
scatterplot(exdat)

# Scatterplot matrix: size
scatterplot(exdat, type = "size")

# Scatterplot matrix: count
scatterplot(exdat, type = "count")

# Scatterplot matrix: sun
scatterplot(exdat, type = "sun")