Appending hdf5 files

with h5py.File('.\PreprocessedData.h5', 'a') as hf:
    hf["X_train"].resize((hf["X_train"].shape[0] + X_train_data.shape[0]), axis = 0)
    hf["X_train"][-X_train_data.shape[0]:] = X_train_data

    hf["X_test"].resize((hf["X_test"].shape[0] + X_test_data.shape[0]), axis = 0)
    hf["X_test"][-X_test_data.shape[0]:] = X_test_data

    hf["Y_train"].resize((hf["Y_train"].shape[0] + Y_train_data.shape[0]), axis = 0)
    hf["Y_train"][-Y_train_data.shape[0]:] = Y_train_data

    hf["Y_test"].resize((hf["Y_test"].shape[0] + Y_test_data.shape[0]), axis = 0)
    hf["Y_test"][-Y_test_data.shape[0]:] = Y_test_data

Source: stackoverflow.com

Similar codes

1 vote299 views1 answer
Sort python nested list according to a value
Python
0 vote307 views1 answer
Pip vs conda
Python
7 votes318 views2 answers
Python print variables and string
Python
0 vote327 views1 answer
Python get value from list
Python
0 vote308 views1 answer
Django send_mail not working in testcase
Python Django
27 votes289 views3 answers
Replace error with nan pandas
Python
0 vote289 views1 answer
Python How To Convert Text to Speech
Python
0 vote289 views1 answer
Matplotlib tick label position left and right x axis
Python
1 vote272 views1 answer
Sort dataframe by date
Python
1 vote301 views1 answer
Python get cpu info
Python