Package index

Data Generators

lfast()

Synthesise rating-scale data with predefined mean and standard deviation

lcor()

Rearrange elements in each column of a data-frame to fit a predefined correlation matrix

makeItems()

Synthesise rating-scale data with given first and second moments and a predefined correlation matrix

correlateScales()

Create a dataframe of correlated scales from different dataframes of scale items

makeItemsScale()

Generate scale items from a summated scale, with desired Cronbach's Alpha

makePaired()

Synthesise a dataset from paired-sample t-test summary statistics

Correlation matrices

makeCorrAlpha()

Correlation matrix from Cronbach's Alpha

makeCorrLoadings()

Correlation matrix from item factor loadings

Helper functions

alpha()

Calculate Cronbach's Alpha from a correlation matrix or dataframe

eigenvalues()

calculate eigenvalues of a correlation matrix with optional scree plot

Deprecated functions

lexact()

Deprecated. Use lfast() instead