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 vote196 views1 answer
How to set class attributes with kwargs python
Python
-1 vote180 views1 answer
Python scatterplot figsize
Python
8 votes169 views1 answer
Input stdin python
Python
0 vote263 views3 answers
How to create a User and User profile in django rest framework
Python Django
1 vote279 views2 answers
Is : and :: the same in python slice
Python
53 votes231 views3 answers
Add key to dictionairy
Python
31 votes170 views1 answer
Télécharger dataframe python extract
Python
6 votes214 views2 answers
Kill port django
Python Django
0 vote176 views3 answers
Pandas converters example
Python
7 votes189 views3 answers
Python flask access-control-allow-origin
Python