code: def setUp(self):
      self.kf1 = kalmanFilter(discount=[1])
      self.kf0 = kalmanFilter(discount=[1e-10])
      self.kf11 = kalmanFilter(discount=[1, 1])
      self.trend0 = trend(degree=0, discount=1, w=1.0)
      self.trend0_90 = trend(degree=0, discount=0.9, w=1.0)
      self.trend0_98 = trend(degree=0, discount=0.98, w=1.0, name="a")
      self.trend1 = trend(degree=1, discount=1, w=1.0)
  
file_path: pydlm/tests/base/testKalmanFilter.py
imports: import numpy
  import unittest
  from pydlm.modeler.trends import trend
  from pydlm.modeler.seasonality import seasonality
  from pydlm.modeler.builder import builder
  from pydlm.base.kalmanFilter import kalmanFilter
label_desc: Use image node_id 1 for calling the testKalmanFilter obj's underlying member method code with example usage: obj.setUp() without return types