user.lambda4: Compute User Specified Lambda 4 (Split-Half)

In Lambda4: Collection of Internal Consistency Reliability Coefficients.

Description

Compute User Specified Lambda 4 (Split-Half)

Usage

  user.lambda4(x, split.method = "even.odd",
    item.stats = FALSE, missing = "complete")

Arguments

x	Can be either a data frame or a covariance matrix.
split.method	Specify method for splitting items.
item.stats	If TRUE then item statistics are provided in the output.
missing	How to handle missing values.

Author(s)

Tyler Hunt [e-mail]

References

Guttman L (1945). "A Basis for Analyzing Test-Retest Reliability." Psychometrika, 10, 255-282.

Examples

user.lambda4(Rosenberg)
user.lambda4(Rosenberg, c(0, 1, 1, 0, 1, 1, 0, 1, 0, 0))

Example output

User Specified Lambda 4 
0.888

Split 
1 0 1 0 1 0 1 0 1 0
User Specified Lambda 4 
0.922

Split 
0 1 1 0 1 1 0 1 0 0

Lambda4 documentation built on May 2, 2019, 1:05 p.m.