AMCP (version 1.0.1)

chapter_4_table_7: The data used in Chapter 4, Table 7

Description

The data used in Chapter 4, Table 7

Usage

data(chapter_4_table_7)

Format

An object of class data.frame with 15 rows and 2 columns.

Variables

dv

dependent variable

group

Group number: 1, 2, or 3

Synonym

C4T7

Author

Ken Kelley

Details

Data used to demonstrate another property of orthogonal contrasts. The demonstrated principle is that the sums of squares of nonorthogonal contrasts are not additive, yet the sums of squares of orthogonal contrasts can be added to determine the magnitude of the sum of squares they jointly account for.

References

Maxwell, S. E., Delaney, H. D., \& Kelley, K. (2018). Designing experiments and analyzing data: A model comparison perspective (3rd ed.). New York, NY: Routledge.

Examples

# Load the data
data(chapter_4_table_7)

# Or, alternatively load the data as
data(C4T7)

# View the structure
str(chapter_4_table_7)