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Showing posts with the label Pytables
Hdfstore Start Stop Not Working

Hdfstore Start Stop Not Working

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

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

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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)
Matrix Multiplication Using Hdf5

Matrix Multiplication Using Hdf5

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I'm trying to multiplicate 2 big matrices with memory limit using hdf5 (pytables) but function … Read more Matrix Multiplication Using Hdf5
What Is The Advantage Of Pytables?

What Is The Advantage Of Pytables?

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I have recently started learning about PyTables and found it very interesting. My question is: Wha… Read more What Is The Advantage Of Pytables?
Using Pytables, Which Is More Efficient: Scipy.sparse Or Numpy Dense Matrix?

Using Pytables, Which Is More Efficient: Scipy.sparse Or Numpy Dense Matrix?

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When using pytables, there's no support (as far as I can tell) for the scipy.sparse matrix form… Read more Using Pytables, Which Is More Efficient: Scipy.sparse Or Numpy Dense Matrix?
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