# Here lamda_J is set by pydca to 0.2*(L-1) where L is the length of the sequences
# The maximum number of iterations is set to 500 for gradient descent
# Lamda_h is set to 1 and seqid is set to 0.8 as suggested by pydca papers
# Reference:
# Zerihun MB, Pucci F, Peter EK, Schug A. pydca v1. 0: a comprehensive software for Direct Coupling Analysis of RNA and Protein Sequences. Bioinformatics.
# 2020;36(7):2264–2265. 10.1093/bioinformatics/btz892 - DOI - https://pubmed.ncbi.nlm.nih.gov/31778142/