FitAllModelsRxy         Fit all Models for the Between-Set Correlation
                        Matrix
FitRDeltaQSym           Approximation of a correlation matrix with
                        column adjustment and symmetric low rank
                        factorization
FitRwithPCAandWALS      Calculate a low-rank approximation to the
                        correlation matrix with four methods
FitRxy                  Low rank approximation of the between-set
                        correlation matrix
HeartAttack             Myocardial infarction or Heart attack data
Keller                  Program 'Keller' calculates a rank p
                        approximation to a correlation matrix according
                        to Keller's method.
Kernels                 Wheat kernel data
PearsonLee              Heights of mothers and daughters
achievement             Psychological Variables and Academic
                        Performance
aircraft                Characteristics of aircraft
aircraftR               Correlations between characteristics of
                        aircraft
angleToR                Convert angles to correlations.
artificialR             Correlations for 10 generated variables
athletesR               Correlation matrix of characteristics of
                        Australian athletes
banknotes               Swiss banknote data
berkeleyR               Correlation matrix for boys of the Berkeley
                        Guidance Study
cathedralsR             Correlation matrix for height and length
correlogram             Plot a correlogram
countriesR              Correlations between educational and
                        demographic variables
fit_angles              Fit angles to a correlation matrix
fysiologyR              Correlations between thirtheen fysiological
                        variables
ggbplot                 Create a biplot with ggplot2
ggcorrelogram           Create a correlogram as a ggplot object.
ggtally                 Create a correlation tally stick on a biplot
                        vector
gobletsR                Correlations between size measurements of
                        archeological goblets
ipSymLS                 Function for obtaining a weighted least squares
                        low-rank approximation of a symmetric matrix
jointlim                Establish limits for x and y axis
linangplot              Linang plot
lincos                  Linearized cosine function
pco                     Principal Coordinate Analysis
pfa                     Principal factor analysis
proteinR                Correlations between sources of protein
proteinsR               Correlations between sources of protein
recordsR                Correlations between national track records for
                        men
rmse                    Calculate the root mean squared error
rmse.rxy                Calculate RMSE of a Low-rank Approximation to
                        the Between-set Correlation Matrix
rmsePCAandWALS          Generate a table of root mean square error
                        (RMSE) statistics for principal component
                        analysis (PCA) and weighted alternating least
                        squares (WALS).
storksR                 Correlations between three variables
students                Marks for 5 student exams
studentsR               Correlations between marks for 5 exams
tally                   Create a tally on a biplot vector
tr                      Compute the trace of a matrix
wAddPCA                 Low-rank matrix approximation by weighted
                        alternating least squares
