class_docstr: Base class for exploring graphs.
class_docstr_tok: ["Base","class","for","exploring","graphs","."]
docstr: Checks that the parameter values are valid or raises ValueError exceptions with a message indicating the
  parameter (the first one encountered in the checks) with invalid value.
  
  Args:
      nodes: <list> A list of root node ids from which to commence the random walks.
      n: <int> Number of walks per node id.
      length: <int> Maximum length of each walk.
      seed: <int> Random number generator seed.
docstr_tok: ["Checks","that","the","parameter","values","are","valid","or","raises","ValueError","exceptions","with","a","message","indicating","the","parameter","(","the","first","one","encountered","in","the","checks",")","with","invalid","value",".","Args",":","nodes",":","<","list",">","A","list","of","root","node","ids","from","which","to","commence","the","random","walks",".","n",":","<","int",">","Number","of","walks","per","node","id",".","length",":","<","int",">","Maximum","length","of","each","walk",".","seed",":","<","int",">","Random","number","generator","seed","."]
code: def _check_common_parameters(self, nodes, n, length, seed):
      """
      Checks that the parameter values are valid or raises ValueError exceptions with a message indicating the
      parameter (the first one encountered in the checks) with invalid value.
  
      Args:
          nodes: <list> A list of root node ids from which to commence the random walks.
          n: <int> Number of walks per node id.
          length: <int> Maximum length of each walk.
          seed: <int> Random number generator seed.
      """
      self._check_nodes(nodes)
      self._check_repetitions(n)
      self._check_length(length)
      self._check_seed(seed)
  
imports: import numpy
  import warnings
  from collections import defaultdict, deque
  from scipy import stats
  from scipy.special import softmax
  from ..core.schema import GraphSchema
  from ..core.graph import StellarGraph
  from ..core.utils import is_real_iterable
  from ..core.validation import require_integer_in_range, comma_sep
  from ..random import random_state
  from abc import ABC, abstractmethod
label_desc: Use image node_id 8 for calling the GraphWalk obj's underlying member method code with example usage: obj._check_common_parameters(nodes, n, length, seed) without return types