Top "Hdfstore" questions

pandas - How to save only selected columns of a DataFrame to HDF5

I'm reading a csv sample file and store it on .h5 database. The .csv is structured as follows: User_ID;…

python pandas hdf5 hdfstore

Get list of HDF5 contents (Pandas HDFStore)

I have no problem selecting content from a table within an HDF5 Store: with pandas.HDFStore(data_store) as hdf: …

python pandas hdf5 hdfstore

How does one append large amounts of data to a Pandas HDFStore and get a natural unique index?

I'm importing large amounts of http logs (80GB+) into a Pandas HDFStore for statistical processing. Even within a single import …

python indexing pandas dataframe hdfstore

Get column names (headers) from hdf file

I was wondering how to get the column names (seemingly stored in the hdf header) of an hdf file; for …

python pandas hdf5 hdfstore

Get inferred dataframe types iteratively using chunksize

How can I use pd.read_csv() to iteratively chunk through a file and retain the dtype and other meta-information …

python type-conversion pandas hdfstore