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Showing posts with the label Pytables

Opening A Corrupted Pytables Hdf5 File

I am hoping for some help in opening a corrupted HDF5 file. I am accessing PyTables via Pandas, but… Read more Opening A Corrupted Pytables Hdf5 File

Pandas Pytable: How To Specify Min_itemsize Of The Elements Of A Multiindex

I am storing a pandas dataframe as a pytable which contains a MultiIndex. The first level of the M… Read more Pandas Pytable: How To Specify Min_itemsize Of The Elements Of A Multiindex

Indexing And Data Columns In Pandas/pytables

http://pandas.pydata.org/pandas-docs/stable/io.html#indexing I'm really confused about this con… Read more Indexing And Data Columns In Pandas/pytables

How To Access Index In A Pandas Hdstore (pytables)

I have a large HDFStore with a multi-index. How can I get a hold of one of the index levels? I see … Read more How To Access Index In A Pandas Hdstore (pytables)

Store Pandas Dataframe In Pytables Table Without Storing Index

In many DataFrame.to_foo functions I can specify that I don't want to write the index >>&… Read more Store Pandas Dataframe In Pytables Table Without Storing Index

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