class_docstr: Base class for Gaussian processes. 
class_docstr_tok: ["Base","class","for","Gaussian","processes","."]
docstr: Adds a single data point. 
docstr_tok: ["Adds","a","single","data","point","."]
code: def add_data_single(self, x_new, y_new, *args, **kwargs):
      """Adds a single data point."""
      self.add_data_multiple([x_new], [y_new], *args, **kwargs)
  
imports: from __future__ import division
  from argparse import Namespace
  from itertools import product
  import sys
  import numpy
  from ..distributions.model import Model
  from ..distributions import continuous
  from ..distributions import discrete
  from ..utils.general_utils import stable_cholesky, draw_gaussian_samples, project_symmetric_to_psd_cone, solve_lower_triangular, solve_upper_triangular
  from ..utils.oper_utils import direct_ft_maximise, pdoo_maximise, random_maximise, random_sample_cts_dscr
  from ..utils.option_handler import get_option_specs, load_options
  from ..utils.reporters import get_reporter
label_desc: Use image node_id 5 for calling the GP obj's underlying member method code with example usage: obj.add_data_single(x_new, y_new) without return types