Spectra Analysis for software testing

Please seniors I need your help. I have generated program spectra from GZIP, GREP, SED and FLEX

Blockquote Please seniors I need your help. I am into software testing but still very young and still need a lot of learning. I have read many papers and I am not able to know how they perform the experiments. I have list of spectra generated from FLEX, SED, GZIP and GREP from SIR repository. The next step is what i dont know. Do i need to do analysis of the spectra and how do i go about it. Please tell me the steps to take to ensure i do the ranking. Thanks . How do i do the analysis? Thanks