class_docstr: A time series differencer.
  
  References
  ----------
  [^1]: [Stationarity and differencing](https://otexts.com/fpp2/stationarity.html)
  [^2]: [Backshift notation](https://otexts.com/fpp2/backshift.html)
class_docstr_tok: ["A","time","series","differencer",".","References","--","--","--","--","--","[","^1","]",":","[","Stationarity","and","differencing","]","(","https",":","\/\/otexts.com\/fpp2\/stationarity.html",")","[","^2","]",":","[","Backshift","notation","]","(","https",":","\/\/otexts.com\/fpp2\/backshift.html",")"]
code: def from_coeffs(cls, coeffs):
      obj = cls(0, 0)
      obj.coeffs = coeffs
      return obj
  
file_path: river/river/time_series/snarimax.py
imports: from __future__ import annotations
  import collections
  import itertools
  import math
  from river import base, linear_model, preprocessing, time_series
label_desc: Use image node_id 3 for calling the Differencer obj's underlying member method code with example usage: obj.from_coeffs(cls, coeffs) and returns: obj