heal_data: no visible global function definition for 'optimum_k'
heal_data: no visible global function definition for 'optimum_w'
heal_data: no visible global function definition for 'pred_for_w'
Undefined global functions or variables:
  optimum_k optimum_w pred_for_w
'LazyData' is specified without a 'data' directory
heal_data: no visible global function definition for ‘optimum_k’
heal_data: no visible global function definition for ‘optimum_w’
heal_data: no visible global function definition for ‘pred_for_w’
Undefined global functions or variables:
  optimum_k optimum_w pred_for_w
'LazyData' is specified without a 'data' directory
heal_data: no visible global function definition for ‘optimum_k’
heal_data: no visible global function definition for ‘optimum_w’
heal_data: no visible global function definition for ‘pred_for_w’
Undefined global functions or variables:
  optimum_k optimum_w pred_for_w
'LazyData' is specified without a 'data' directory
heal_data: no visible global function definition for ‘optimum_k’
heal_data: no visible global function definition for ‘optimum_w’
heal_data: no visible global function definition for ‘pred_for_w’
Undefined global functions or variables:
  optimum_k optimum_w pred_for_w
'LazyData' is specified without a 'data' directory
heal_data: no visible global function definition for 'optimum_k'
heal_data: no visible global function definition for 'optimum_w'
heal_data: no visible global function definition for 'pred_for_w'
Undefined global functions or variables:
  optimum_k optimum_w pred_for_w
'LazyData' is specified without a 'data' directory
heal_data: no visible global function definition for 'optimum_k'
heal_data: no visible global function definition for 'optimum_w'
heal_data: no visible global function definition for 'pred_for_w'
Undefined global functions or variables:
  optimum_k optimum_w pred_for_w
'LazyData' is specified without a 'data' directory
heal_data: no visible global function definition for ‘optimum_k’
heal_data: no visible global function definition for ‘optimum_w’
heal_data: no visible global function definition for ‘pred_for_w’
Undefined global functions or variables:
  optimum_k optimum_w pred_for_w
'LazyData' is specified without a 'data' directory
heal_data: no visible global function definition for ‘optimum_k’
heal_data: no visible global function definition for ‘optimum_w’
heal_data: no visible global function definition for ‘pred_for_w’
Undefined global functions or variables:
  optimum_k optimum_w pred_for_w
'LazyData' is specified without a 'data' directory
heal_data: no visible global function definition for ‘optimum_k’
heal_data: no visible global function definition for ‘optimum_w’
heal_data: no visible global function definition for ‘pred_for_w’
Undefined global functions or variables:
  optimum_k optimum_w pred_for_w
'LazyData' is specified without a 'data' directory
heal_data: no visible global function definition for ‘optimum_k’
heal_data: no visible global function definition for ‘optimum_w’
heal_data: no visible global function definition for ‘pred_for_w’
Undefined global functions or variables:
  optimum_k optimum_w pred_for_w
'LazyData' is specified without a 'data' directory
heal_data: no visible global function definition for 'optimum_k'
heal_data: no visible global function definition for 'optimum_w'
heal_data: no visible global function definition for 'pred_for_w'
Undefined global functions or variables:
  optimum_k optimum_w pred_for_w
'LazyData' is specified without a 'data' directory
heal_data: no visible global function definition for ‘optimum_k’
heal_data: no visible global function definition for ‘optimum_w’
heal_data: no visible global function definition for ‘pred_for_w’
Undefined global functions or variables:
  optimum_k optimum_w pred_for_w
heal_data: no visible global function definition for 'optimum_k'
heal_data: no visible global function definition for 'optimum_w'
heal_data: no visible global function definition for 'pred_for_w'
Undefined global functions or variables:
  optimum_k optimum_w pred_for_w