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Showing posts with the label Hdf5

Python H5py: Can I Store A Dataset Which Different Columns Have Different Types?

Suppose I have a table which has many columns, only a few columns is float type, others are small i… Read more Python H5py: Can I Store A Dataset Which Different Columns Have Different Types?

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

Storing Scipy Sparse Matrix As Hdf5

I want to compress and store a humongous Scipy matrix in HDF5 format. How do I do this? I've tr… Read more Storing Scipy Sparse Matrix As Hdf5

Error To Install Lib Tables, Cant Find Hdf5 In Windows

i cant do the isntall of tables lib in my windows enviorment and cant found a solution, the error i… Read more Error To Install Lib Tables, Cant Find Hdf5 In Windows

Adding Data To Existing H5py File Along New Axis Using H5py

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

Difference Between Str() And Astype(str)?

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)?

Inserting Many Hdf5 Datasets Very Slow

There is a dramatic slowdown when inserting many datasets into a group. I have found that the slowd… Read more Inserting Many Hdf5 Datasets Very Slow

Typeerror: Read_hdf() Takes Exactly 2 Arguments (1 Given)

How to open a HDF5 file with pandas.read_hdf when the keys are not known? from pandas.io.pytables … Read more Typeerror: Read_hdf() Takes Exactly 2 Arguments (1 Given)