Usage
reliability(data, vars, alphaScale = TRUE, omegaScale = FALSE, meanScale = FALSE, sdScale = FALSE, corPlot = FALSE, alphaItems = FALSE, omegaItems = FALSE, meanItems = FALSE, sdItems = FALSE, itemRestCor = FALSE)
Arguments
data
the data as a data frame
vars
a vector of strings naming the variables of interest in
data
alphaScale
TRUE
(default) or FALSE
, provide Cronbach's
alpha
omegaScale
TRUE
or FALSE
(default), provide McDonald's
omega
meanScale
TRUE
or FALSE
(default), provide the mean
sdScale
TRUE
or FALSE
(default), provide the standard
deviation
corPlot
TRUE
or FALSE
(default), provide a correlation
plot
alphaItems
TRUE
or FALSE
(default), provide what the
Cronbach's alpha would be if the item was dropped
omegaItems
TRUE
or FALSE
(default), provide what the
McDonald's omega would be if the item was dropped
meanItems
TRUE
or FALSE
(default), provide item means
sdItems
TRUE
or FALSE
(default), provide item standard
deviations
itemRestCor
TRUE
or FALSE
(default), provide item-rest
correlations