Skip to content Skip to sidebar Skip to footer
Showing posts with the label Hdf5

How To Close An Hdf5 Using Low Level Python Api?

I was able to modify the cache settings of an HDF5 file by combining both the high and low level Py… Read more How To Close An Hdf5 Using Low Level Python Api?

Saving With H5py Arrays Of Different Sizes

I am trying to store about 3000 numpy arrays using HDF5 data format. Arrays vary in length from 530… Read more Saving With H5py Arrays Of Different Sizes

How To Speed Up Reading From Compressed Hdf5 Files

I have several big HDF5 file stored on an SSD (lzf compressed file size is 10–15 GB, uncompressed s… Read more How To Speed Up Reading From Compressed Hdf5 Files

Unable To Save Dataframe To Hdf5 ("object Header Message Is Too Large")

I have a DataFrame in Pandas: In [7]: my_df Out[7]: Int64Index: 34 entries, 0 to 0 Columns: 2661 … Read more Unable To Save Dataframe To Hdf5 ("object Header Message Is Too Large")

H5py: Compound Datatypes And Scale-offset In The Compression Pipeline

Using Numpy and h5py, it is possible to create ‘compound datatype’ datasets to be stored in an hdf5… Read more H5py: Compound Datatypes And Scale-offset In The Compression Pipeline

Hdfstore Start Stop Not Working

Is it clear what I am doing wrong? I'm experimenting with pandas HDFStore.select start and stop… Read more Hdfstore Start Stop Not Working

Fast And Efficient Way Of Serializing And Retrieving A Large Number Of Numpy Arrays From Hdf5 File

I have a huge list of numpy arrays, specifically 113287, where each array is of shape 36 x 2048. In… Read more Fast And Efficient Way Of Serializing And Retrieving A Large Number Of Numpy Arrays From Hdf5 File

Finding A Duplicate In A Hdf5 Pytable With 500e6 Rows

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

Creating Hdf5 Compound Attributes Using H5py

I'm trying to create some simple HDF5 datasets that contain attributes with a compound datatype… Read more Creating Hdf5 Compound Attributes Using H5py

Failing To Write In Hdf5 File

I am trying to create hdf5 file, but the output file is empty. I have written a python code which … Read more Failing To Write In Hdf5 File

Losing Timezone-awareness When Saving Hyerarchical Pandas Datetimeindex To Hdf5 In Python

I'm on pandas 0.14.1. Assume I need to index data by two timestamps in a hierarchical index usi… Read more Losing Timezone-awareness When Saving Hyerarchical Pandas Datetimeindex To Hdf5 In Python

How To Split The Data Among The Multiple Groups In Hdf5 File?

I have one some data which looks something like this: Generated by trjconv : P/L=1/400 t= 0.00000… Read more How To Split The Data Among The Multiple Groups In Hdf5 File?

How To Retrieve Pandas Df Multiindex From Hdfstore?

If DataFrame with simple index is the case, one may retrieve index from HDFStore as follows: df = p… Read more How To Retrieve Pandas Df Multiindex From Hdfstore?

Warning! ***hdf5 Library Version Mismatched Error*** Python Pandas Windows

I'm using pandas/python to save a DataFrame in a HDFStore format. When I apply the my_data_fram… Read more Warning! ***hdf5 Library Version Mismatched Error*** Python Pandas Windows

What Is The Difference Between The Two Ways Of Accessing The Hdf5 Group In Svhn Dataset?

I need to read the SVHN dataset and was trying to read the filename of the first image. I am strug… Read more What Is The Difference Between The Two Ways Of Accessing The Hdf5 Group In Svhn Dataset?

Export Tensorflow Weights To Hdf5 File And Model To Keras Model.json

I recently found this Project which runs inference of keras model in a browser with GPU support usi… Read more Export Tensorflow Weights To Hdf5 File And Model To Keras Model.json