dnacheck                Check if the DNA sequence are in the 4 default
                        types
extrDAC                 The Dinucleotide-based Auto Covariance
                        Descriptor
extrDACC                The Dinucleotide-based Auto-cross Covariance
                        Descriptor
extrDCC                 The Dinucleotide-based Cross Covariance
                        Descriptor
extrPseDNC              The Pseudo Dinucleotide Composition Descriptor
extrPseKNC              The Pseudo K-tupler Composition Descriptor
extrTAC                 The Trinucleotide-based Auto Covariance
                        Descriptor
extrTACC                The Trinucleotide-based Auto-cross Covariance
                        Descriptor
extrTCC                 The Trinucleotide-based Cross Covariance
                        Descriptor
getGenbank              Get DNA/RNA Sequences from Genbank by GI ID
kmer                    The Basic Kmer Descriptor
make_idkmer_vec         The Increment Of Diversity Descriptors
make_kmer_index         Calculate The Basic Kmer Feature Vector
parGOSim                DNA Sequence Similarity Calculation based on
                        Gene Ontology (GO) Similarity
parSeqSim               Parallellized DNA/RNA Sequence Similarity
                        Calculation based on Sequence Alignment
readFASTA               Read DNA/RNA Sequences in FASTA Format
revchars                The Reverse chars
twoGOSim                DNA Similarity Calculation based on Gene
                        Ontology (GO) Similarity
twoSeqSim               DNA/RNA Sequence Alignment for Two DNA/RNA
                        Sequences
