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Lambda4 (version 3.0)

Collection of Internal Consistency Reliability Coefficients.

Description

Currently the package includes 14 methods for calculating internal consistency reliability but is still growing. The package allows users access to whichever reliability estimator is deemed most appropriate for their situation.

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Version

Install

install.packages('Lambda4')

Monthly Downloads

70

Version

3.0

License

GPL-2

Maintainer

Last Published

July 30th, 2013

Functions in Lambda4 (3.0)

Compute Angoff Coefficient

One-Factor Congeneric Covariance Matrix

Generate Unique Binary Combinations

Compute Kristof Coefficient

Compute Covariance Maximized Lambda4

Three-Factor Congeneric Covariance Matrix

Compute Covariance Matrix

Feldt's Numerical Example With 4 Items

Guttman's 6 Lambda Coefficients

Five-Factor Congeneric Covariance Matrix

Compute Guttman's Lambda 2 Coefficient

Five-Factor Parallel Covariance Matrix

One Factor Parallel Covariance Matrix

Three-Factor Parallel Covariance Matrix

Compute Guttman's Lambda 5 Coefficient

Compute User Specified Lambda 4 (Split-Half)

Rosenberg Self-Esteem

One-Factor Tau-Equivalent Covariance Matrix

Compute McDonald's Omega Total

Compute Guttman's Lambda 3 Coefficient (Coefficent Alpha)

Compute Guttman's Lambda 6 Coefficient

Collection of Internal Consistency Reliability Coefficients.

Compute Guttman's Lambda 1 Coefficient

Three-Factor Tau-Equivalent Covariance Matrix

Warner 1960 Social Class Data

Compute Raju Coefficient

Compute Quantile Lambda 4

Wechsler Adult Intellegence Scale (1955)

Five-Factor Tau-Equivalent Covariance Matrix

De Leeuw (1983) Political Survey Items