class_docstr: Implements the ESP kernel from Kandasamy, Yu 2016, 'Additive Approximations in High
  Dimensional Nonparametric Regression. 
class_docstr_tok: ["Implements","the","ESP","kernel","from","Kandasamy",",","Yu","2016",",","'Additive","Approximations","in","High","Dimensional","Nonparametric","Regression","."]
docstr: Sets the data to X and Y. 
docstr_tok: ["Sets","the","data","to","X","and","Y","."]
code: def set_data(self, X, Y):
      """Sets the data to X and Y."""
      self.X = list(X)
      self.Y = list(Y)
      self.num_tr_data = len(self.Y)
  
imports: from __future__ import print_function
  import numpy
  from scipy.linalg import solve_triangular
label_desc: Use image node_id 2 for calling the SALSA obj's underlying member method code with example usage: obj.set_data(X, Y) without return types