class_docstr: Generalized linear models implementation 
docstr: Set default value of Family(link) 
code: def set_default(self):
      """Set default value of Family(link)"""
      self.family_link = self.family_distribution["default"]
      self.params.update(family="gaussian")
      self.log.info("Invalid family. Changed to default value")
  
imports: from copy import copy
  import numpy
  import statsmodels.api
  from statsmodels.genmod.families import Gamma, Gaussian, InverseGaussian
  from statsmodels.genmod.families.links import identity, inverse_power, inverse_squared, log
  from statsmodels.genmod.generalized_linear_model import GLM
  from statsmodels.tsa.ar_model import AutoReg
  from statsmodels.tsa.exponential_smoothing.ets import ETSModel
  from fedot.core.data.data import InputData, OutputData
  from fedot.core.operations.evaluation.operation_implementations.data_operations.ts_transformations import ts_to_table
  from fedot.core.operations.evaluation.operation_implementations.implementation_interfaces import ModelImplementation
  from fedot.core.operations.operation_parameters import OperationParameters
  from fedot.core.repository.dataset_types import DataTypesEnum
label_desc: Use image node_id 7 for calling the GLMImplementation obj's underlying member method code with example usage: obj.set_default() without return types