plspm (version 0.4.9)

unidim: Unidimensionality of blocks

Description

Compute unidimensionality indices (a.k.a. Composite Reliability indices)

Usage

unidim(Data, blocks = NULL)

Arguments

Data

matrix or data frame with variables

blocks

optional list with vectors indicating the variables in each block

Value

A data frame with the following columns:

Block

name of block

MVs

number of manifest variables in each block

C.alpha

Cronbach's alpha

DG.rho

Dillon-Goldstein rho

eig.1st

First eigenvalue

eig.2nd

Second eigenvalue

See Also

alpha, rho

Examples

## Not run: ------------------------------------
#  # load dataset satisfaction
#  data(satisfaction)
# 
#  # blocks Image and Expectations
#  ima_expe = list(Image=1:5, Expec=6:10)
# 
#  # compute unidimensionality indices
#  unidim(satisfaction, ima_expe)
#  
## ---------------------------------------------

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