pandas: powerful Python data analysis toolkit - 0.25chunkshape := (689,) autoindex := True colindexes := { "index": Index(6, medium, shuffle, zlib(1)).is_csi=False} Storing MultiIndex DataFrames Storing MultiIndex DataFrames as tables is very similar to storing/selecting colindexes := { "B": Index(9, full, shuffle, zlib(1)).is_csi=True} In [435]: st.close() See here for how to create a completely-sorted-index (CSI) on an existing store. Query via data columns You can shuffle, zlib(1)).is_csi=False, "B": Index(6, medium, shuffle, zlib(1)).is_csi=False, "C": Index(6, medium, shuffle, zlib(1)).is_csi=False, "string": Index(6, medium, shuffle, zlib(1)).is_csi=False, "string2":0 码力 | 698 页 | 4.91 MB | 1 年前3
pandas: powerful Python data analysis toolkit - 0.12chunkshape := (689,) autoindex := True colindexes := { "index": Index(6, medium, shuffle, zlib(1)).is_csi=False} 18.7.6 Storing Multi-Index DataFrames Storing multi-index dataframes as tables is very similar shuffle, zlib(1)).is_csi=False, "C": Index(6, medium, shuffle, zlib(1)).is_csi=False, "B": Index(6, medium, shuffle, zlib(1)).is_csi=False, "string2": Index(6, medium, shuffle, zlib(1)).is_csi=False, "string": "string": Index(6, medium, shuffle, zlib(1)).is_csi=False} There is some performance degredation by making lots of columns into data columns, so it is up to the user to designate these. In addition, you cannot0 码力 | 657 页 | 3.58 MB | 1 年前3
pandas: powerful Python data analysis toolkit - 0.13.1chunkshape := (689,) autoindex := True colindexes := { "index": Index(6, medium, shuffle, zlib(1)).is_csi=False} 19.8. HDF5 (PyTables) 505 pandas: powerful Python data analysis toolkit, Release 0.13.1 19 [303]: i.optlevel, i.kind Out[303]: (9, ’full’) See here for how to create a completely-sorted-index (CSI) on an existing store. 19.8.9 Query via Data Columns You can designate (and index) certain columns shuffle, zlib(1)).is_csi=False, "C": Index(6, medium, shuffle, zlib(1)).is_csi=False, "B": Index(6, medium, shuffle, zlib(1)).is_csi=False, "string2": Index(6, medium, shuffle, zlib(1)).is_csi=False, "string":0 码力 | 1219 页 | 4.81 MB | 1 年前3
pandas: powerful Python data analysis toolkit - 0.14.0chunkshape := (689,) autoindex := True colindexes := { "index": Index(6, medium, shuffle, zlib(1)).is_csi=False} 19.8.6 Storing Multi-Index DataFrames Storing multi-index dataframes as tables is very similar [301]: i.optlevel, i.kind Out[301]: (9, ’full’) See here for how to create a completely-sorted-index (CSI) on an existing store. 19.8.9 Query via Data Columns You can designate (and index) certain columns shuffle, zlib(1)).is_csi=False, "C": Index(6, medium, shuffle, zlib(1)).is_csi=False, "B": Index(6, medium, shuffle, zlib(1)).is_csi=False, "string2": Index(6, medium, shuffle, zlib(1)).is_csi=False, "string":0 码力 | 1349 页 | 7.67 MB | 1 年前3
pandas: powerful Python data analysis toolkit - 0.15chunkshape := (689,) autoindex := True colindexes := { "index": Index(6, medium, shuffle, zlib(1)).is_csi=False} 23.8.6 Storing Multi-Index DataFrames Storing multi-index dataframes as tables is very similar [318]: i.optlevel, i.kind Out[318]: (9, ’full’) See here for how to create a completely-sorted-index (CSI) on an existing store. 23.8.9 Query via Data Columns You can designate (and index) certain columns shuffle, zlib(1)).is_csi=False, "C": Index(6, medium, shuffle, zlib(1)).is_csi=False, "B": Index(6, medium, shuffle, zlib(1)).is_csi=False, "string2": Index(6, medium, shuffle, zlib(1)).is_csi=False, "string":0 码力 | 1579 页 | 9.15 MB | 1 年前3
pandas: powerful Python data analysis toolkit - 0.15.1chunkshape := (689,) autoindex := True colindexes := { "index": Index(6, medium, shuffle, zlib(1)).is_csi=False} 23.8.6 Storing Multi-Index DataFrames Storing multi-index dataframes as tables is very similar Python data analysis toolkit, Release 0.15.1 See here for how to create a completely-sorted-index (CSI) on an existing store. 23.8.9 Query via Data Columns You can designate (and index) certain columns shuffle, zlib(1)).is_csi=False, "C": Index(6, medium, shuffle, zlib(1)).is_csi=False, "B": Index(6, medium, shuffle, zlib(1)).is_csi=False, "string2": Index(6, medium, shuffle, zlib(1)).is_csi=False, "string":0 码力 | 1557 页 | 9.10 MB | 1 年前3
pandas: powerful Python data analysis toolkit - 0.17.0chunkshape := (689,) autoindex := True colindexes := { "index": Index(6, medium, shuffle, zlib(1)).is_csi=False} Storing Multi-Index DataFrames Storing multi-index dataframes as tables is very similar to [342]: i.optlevel, i.kind Out[342]: (9, 'full') See here for how to create a completely-sorted-index (CSI) on an existing store. Query via Data Columns You can designate (and index) certain columns that shuffle, zlib(1)).is_csi=False, "C": Index(6, medium, shuffle, zlib(1)).is_csi=False, "B": Index(6, medium, shuffle, zlib(1)).is_csi=False, "string2": Index(6, medium, shuffle, zlib(1)).is_csi=False, "string":0 码力 | 1787 页 | 10.76 MB | 1 年前3
pandas: powerful Python data analysis toolkit - 0.19.0chunkshape := (689,) autoindex := True colindexes := { "index": Index(6, medium, shuffle, zlib(1)).is_csi=False} 25.8. HDF5 (PyTables) 959 pandas: powerful Python data analysis toolkit, Release 0.19.0 Storing colindexes := { "B": Index(9, full, shuffle, zlib(1)).is_csi=True} In [380]: st.close() See here for how to create a completely-sorted-index (CSI) on an existing store. Query via Data Columns You can shuffle, zlib(1)).is_csi=False, "C": Index(6, medium, shuffle, zlib(1)).is_csi=False, "B": Index(6, medium, shuffle, zlib(1)).is_csi=False, "string2": Index(6, medium, shuffle, zlib(1)).is_csi=False, "string":0 码力 | 1937 页 | 12.03 MB | 1 年前3
pandas: powerful Python data analysis toolkit - 0.19.1chunkshape := (689,) autoindex := True colindexes := { "index": Index(6, medium, shuffle, zlib(1)).is_csi=False} Storing Multi-Index DataFrames Storing multi-index dataframes as tables is very similar to chunkshape := (2730,) autoindex := True colindexes := { "B": Index(9, full, shuffle, zlib(1)).is_csi=True} 968 Chapter 25. IO Tools (Text, CSV, HDF5, ...) pandas: powerful Python data analysis toolkit toolkit, Release 0.19.1 In [380]: st.close() See here for how to create a completely-sorted-index (CSI) on an existing store. Query via Data Columns You can designate (and index) certain columns that you0 码力 | 1943 页 | 12.06 MB | 1 年前3
pandas: powerful Python data analysis toolkit - 0.20.3chunkshape := (689,) autoindex := True colindexes := { "index": Index(6, medium, shuffle, zlib(1)).is_csi=False} 24.8.5.2 Storing Multi-Index DataFrames Storing multi-index dataframes as tables is very similar colindexes := { "B": Index(9, full, shuffle, zlib(1)).is_csi=True} In [419]: st.close() See here for how to create a completely-sorted-index (CSI) on an existing store. 24.8.6.4 Query via Data Columns shuffle, zlib(1)).is_csi=False, "B": Index(6, medium, shuffle, zlib(1)).is_csi=False, "C": Index(6, medium, shuffle, zlib(1)).is_csi=False, "string": Index(6, medium, shuffle, zlib(1)).is_csi=False, "string2":0 码力 | 2045 页 | 9.18 MB | 1 年前3
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