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