code: def real_init(self, dims, values):
      # Input dimensionality.
      self.D = dims
  
      # Initial length scales.
      self.ls = np.ones(self.D)
  
      # Initial amplitude.
      self.amp2 = np.std(values)
  
      # Initial observation noise.
      self.noise = 1e-3
  
      # Initial mean.
      self.mean = np.mean(values)
  
file_path: auptimizer/src/aup/Proposer/spearmint/gp.py
imports: import numpy
  import scipy.linalg
  import scipy.optimize
  import scipy.io
label_desc: Use image node_id 2 for calling the GP obj's underlying member method code with example usage: obj.real_init(dims, values) without return types