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Showing posts with the label Hdf5
Adding Data To Existing H5py File Along New Axis Using H5py

Adding Data To Existing H5py File Along New Axis Using H5py

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I have some sample code that generates a 3d Numpy array -- I am then saving this data into a h5py f… Read more Adding Data To Existing H5py File Along New Axis Using H5py
Is It Possible To Directly Rename Pandas Dataframe's Columns Stored In Hdf5 File?

Is It Possible To Directly Rename Pandas Dataframe's Columns Stored In Hdf5 File?

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I have a very large pandas dataframe stored in hdf5 file, and I need to rename the columns of the d… Read more Is It Possible To Directly Rename Pandas Dataframe's Columns Stored In Hdf5 File?
Finding A Duplicate In A Hdf5 Pytable With 500e6 Rows

Finding A Duplicate In A Hdf5 Pytable With 500e6 Rows

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Problem I have a large (> 500e6 rows) dataset that I've put into a pytables database. Lets … Read more Finding A Duplicate In A Hdf5 Pytable With 500e6 Rows
Query Hdf5 In Pandas

Query Hdf5 In Pandas

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I have following data (18,619,211 rows) stored as a pandas dataframe object in hdf5 file: … Read more Query Hdf5 In Pandas
Creating Hdf5 Compound Attributes Using H5py

Creating Hdf5 Compound Attributes Using H5py

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I'm trying to create some simple HDF5 datasets that contain attributes with a compound datatype… Read more Creating Hdf5 Compound Attributes Using H5py
Difference Between Str() And Astype(str)?

Difference Between Str() And Astype(str)?

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I want to save the dataframe df to the .h5 file MainDataFile.h5 : df.to_hdf ('c:/Temp/MainData… Read more Difference Between Str() And Astype(str)?