unirel | R Documentation |
R packages that provide unidimensional reliability coefficients include Lambda4 and psych. These are usually separate functions, so comparing multiple reliability estimates can take a long time. This function shows the reliability coefficients newly added in this package together with the reliability coefficients provided by Lambda4 and psych. This function can provide Table 2 of Cho(in press) immediately.
unirel(x, Lambda4.include = TRUE, psych.include = TRUE)
x |
a dataframe or a matrix (unidimensional) |
Lambda4.include |
Whether to include the reliability coefficients provided by the package Lambda4 (lambda5, lambda6, max_lambda, lambda4_max, lambda4_75) |
psych.include |
Whether to include reliability coefficients (GLB.algebraic, GLB.fa) provided by the package psych |
Eunseong Cho, bene@kw.ac.kr
Cho, E. (in press). Neither Cronbach's alpha nor McDonald's omega: A comment on Sijtsma and Pfadt. Psychometrika.
[Lambda4::lambda5()] for a related function of the package Lambda4
[Lambda4::lambda6()] for a related function of the package Lambda4
[Lambda4::quant.lambda4()] for a related function of the package Lambda4
[psych::GLB.algebraic()] for a related function of the package psych
[psych::GLB.fa()] for a related function of the package psych
unirel(Graham1)
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