| 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 |
| IncDiv | The Increment Of Diversity Descriptors |
| 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 |