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

0 vote120 views1 answer
Python divide string in half
Python
10 votes127 views1 answer
How to varify pip is install in python
Python
0 vote146 views1 answer
Unable to import flask pylint
Python Flask
0 vote143 views1 answer
Dataframe fill none
Python
0 vote137 views1 answer
Sum
Python
0 vote132 views1 answer
Number of unique pairs in columns pandas
Python
0 vote125 views1 answer
Matplotlib colorbar reverse direction
Python
3 votes160 views6 answers
Django login
Python Django
55 votes134 views6 answers
Train test split
Python
0 vote142 views1 answer
Python thunks
Python