Comparison should be taken with PCA-CMI and PCA-PMI

[chenxofhit]

PCA-CMI and PCA-PMI method is also well-known in Gene Regulatory Network Structure Inference besides ARANCE，CLR，MI and MRNET. It is highly recommended to make a deep comparison with these two methods.

[Tchanders]

Thank you for highlighting these methods - yes, a comparison with these would be very interesting.

[chenxofhit]

You are really appreciated , and if you have time you can close the issue.