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Questions tagged [py-datatable]

Use this tag for questions related to the `datatable` python library. Consider tagging your questions with [python] as well. Do not use this tag to ask questions about generic "tables of data".

Datatable is a python library for manipulating two-dimensional data tables (called Frames). It is similar in spirit to python pandas and R data.table.

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python data.table windows build

Has anyone had success getting the h2o python datatable package to install on Windows? It requires clang/llvm (https://github.com/h2oai/datatable/wiki/Build-instructions), and the pre-built binaries for Windows are apparently insufficient when I…
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Python's datatable f-expression fails

My most simple attempt to perform the Perform Groupby Calculations in its documentation fails: import datatable import numpy rahmen = datatable.Frame({ 'x': (numpy.arange(10) / 2.).astype(int) , 'y':…
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python datatable read expression from csv

I am using python's datatable. I have 2 csv files. CSV 1 A,B 1,2 3,4 5,6 CSV 2 NAME,EXPR A_GREATER_THAN_B, A>B A_GREATER_THAN_10, A>10 B_GREATER_THAN_5, B>5 Expected…
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