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how to generate a tumor model? #13

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@zhangyafeng1
  1. model_column = 'Tumor_model_annot'
  2. samples = data_annot.loc[data_annot['Tumor_model_annot'] == 'cancer_cells'].index
  3. cancer_expr = data_expr[samples]
  4. cancer_annot = data_annot.loc[samples]
  5. cancer_annot['Tumor_type'] = cancer_annot['Dataset']
  6. cancer_annot = cancer_annot[['Tumor_type', 'Dataset']]
  7. samples = data_annot.loc[~data_annot[model_column].isna() & (data_annot['Tumor_model_annot'] != 'cancer_cells')].index
  8. cells_expr = data_expr[samples]
  9. cells_annot = data_annot.loc[samples]
  10. cells_annot = cells_annot[[model_column, 'Dataset']]
  11. cells_annot.columns = ['Cell_type', 'Dataset']
  12. cells_annot = pd.concat([lab_annot, cells_annot])
  13. cells_annot.loc[cells_annot['Dataset'].isna(), 'Dataset'] = cells_annot.loc[cells_annot['Dataset'].isna()].index
  14. cells_expr = pd.concat([lab_expr, cells_expr], axis=1)
  15. to make sure that there is no repeated samples

  16. samples = sorted(list(set(cells_annot.index).intersection(set(cells_expr.columns))))
  17. cells_expr = cells_expr[samples]
  18. cells_annot = cells_annot.loc[samples]
  19. print(cells_expr.shape, cells_annot.shape)
  20. print(cancer_expr.shape, cancer_annot.shape)
  21. adding missing cell types

  22. cell_types = CellTypes.load('configs/cell_types.yaml')
  23. missing_cts = [x for x in cell_types.get_all_subtypes('General_cells') if not x in cells_annot['Cell_type'].unique()]
  24. for ct in missing_cts:
  25. subtypes = cell_types.get_direct_subtypes(ct)
    
  26. annot = cells_annot.loc[cells_annot['Cell_type'].isin(subtypes)]
    
  27. annot.index
    
  28. expr = cells_expr[annot.index]
    
  29. annot['Cell_type'] = ct
    
  30. annot.index = annot.index + f'_{ct}'
    
  31. annot['Dataset'] = annot.index
    
  32. expr.columns = expr.columns + f'_{ct}'
    
  33. cells_expr = pd.concat([cells_expr, expr], axis=1)
    
  34. cells_annot = pd.concat([cells_annot, annot])
    
  35. to make sure that there is no repeated samples

  36. samples = sorted(list(set(cells_annot.index).intersection(set(cells_expr.columns))))
  37. cells_expr = cells_expr[samples]
  38. cells_annot = cells_annot.loc[samples]
  39. print(cells_expr.shape, cells_annot.shape)
  40. Model training

  41. mixer = Mixer(cell_types=cell_types,
  42.           cells_expr=cells_expr, cells_annot=cells_annot,
    
  43.           tumor_expr=cancer_expr, tumor_annot=cancer_annot,
    
  44.           num_av=3, num_points=300000)
    
  45. model = DeconvolutionModel(cell_types,
  46.                        boosting_params_first_step='configs/boosting_params/lgb_parameters_first_step.tsv',
    
  47.                        boosting_params_second_step='configs/boosting_params/lgb_parameters_second_step.tsv')
    
  48. model.fit(mixer)
Image

Hello, I want to generate a tumor model. In the above code, I changed "Blood_model_annot" in line 1 to "Tumor_model_annot", made modifications in line 8, and changed line 27 to "cell_types.yaml". I didn't make any changes elsewhere. Is this acceptable? After execution, an error occurred at the step of model.fit(mixer), as shown in the figure. Could you please tell me the reason and how I should modify it?

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