docstring for to_factor method  [refs #375]
docstring for to_factor method  [refs #375]
sandeepkrjha/pgmpy,palashahuja/pgmpy,kris-singh/pgmpy,anaviltripathi/pgmpy,abinashpanda/pgmpy,kris-singh/pgmpy,palashahuja/pgmpy,liquidmetal/pgmpy,anaviltripathi/pgmpy,ankurankan/pgmpy,vivek425ster/pgmpy,yashu-seth/pgmpy,pgmpy/pgmpy,khalibartan/pgmpy,vivek425ster/pgmpy,liquidmetal/pgmpy,jhonatanoliveira/pgmpy,abinashpanda/pgmpy,ankurankan/pgmpy,jhonatanoliveira/pgmpy,khalibartan/pgmpy,pgmpy/pgmpy,sandeepkrjha/pgmpy,yashu-seth/pgmpy,pratyakshs/pgmpy,pratyakshs/pgmpy