class_docstr: A class to model one-parameter exponential
  families.
  
  INPUTS:
     link      -- a Link instance
     variance  -- a variance function (models means as a function
                  of mean)
class_docstr_tok: ["A","class","to","model","one-parameter","exponential","families",".","INPUTS",":","link","--","a","Link","instance","variance","--","a","variance","function","(","models","means","as","a","function","of","mean",")"]
code: def __init__(self, link, variance):
      self.link = link
      self.variance = variance
  
imports: import numpy
  from .None import links
  from .None import varfuncs
label_desc: Use image node_id 3 to create a new Family object  with example: obj = Family(link, variance)