perl ./miRRim.pl example/chr9_94011601_94111600_+.dat Download from the page http://mirrim.ncrna.org/ 17959929 miRRim is a method for detecting miRNA foldbacks based on hidden Markov model (HMM). In this method, the evolutionary and secondary structural features of a miRNA region is represented by a sequence of multidimensional vectors. HMMs that generate a sequence of continuous values are used to model the feature vector sequences.(cited from the original site)