calculateDistanceMatrix
                        Calculate pairwise distance matrix for multiple
                        sequences
cgrplot                 Generate CGR plot coordinates for a DNA
                        sequence
create_meta             Create metadata table for sequences
filter_N                Filter sequences by N content
from_DNAStringSet       Convert a DNAStringSet to a named list of
                        sequences
matrixDistance          Calculate distance between two CGR frequency
                        matrices
parallelCGR             Parallel computation of CGR frequency matrices
plot_cgr                Plot CGR with customization options
saveMegaDistance        Save distance matrix in MEGA format
savePhylipDistance      Save distance matrix in PHYLIP format
