Home — datatable documentation
Datatable is a python library for manipulating tabular data. It supports out-of-memory datasets, multi-threaded data processing, and flexible API.
Getting started — datatable documentation - Read the Docs
Offloading data¶ Just as our work has started with loading some data into datatable, eventually you will want to do the opposite: store or move the data somewhere else. We support multiple …
Using datatable — datatable documentation - Read the Docs
The datatable parser. Automatically detects separators, headers, column types, quoting rules, etc. Reads from file, URL, shell, raw text, archives, glob. Provides multi-threaded file reading for …
datatable API — datatable documentation - Read the Docs
datatable warnings and exceptions. internal. Access to some internal details of datatable module. math. Mathematical functions, similar to python’s math module. models. A small set of data …
Frame – datatable. — datatable documentation - Read the Docs
Two-dimensional column-oriented container of data. This the primary data structure in the datatable module. A Frame is two-dimensional in the sense that it is comprised of rows and …
Selecting Data — datatable documentation - Read the Docs
By data type¶ Column selection is possible by using python’s built-in types that correspond to one of the datatable’s types:
Installation — datatable documentation - Read the Docs
Mar 8, 2010 · This page describes how to install datatable on various systems. Prerequisites¶ Python 3.8+ is required. Generally, we will support each version of Python until its official end …
Comparison with pandas — datatable documentation - Read the …
The datatable module emphasizes speed and big data support (an area that pandas struggles with); it also has an expressive and concise syntax, which makes datatable also useful for …
User Guide — datatable documentation - Read the Docs
Select rows with data closest to certain value; Efficiently and dynamically creating new columns using applymap; Keep other columns when using min() with groupby; Apply to different items …
join – datatable. — datatable documentation - Read the Docs
This clause is equivalent to the SQL JOIN, though for the moment datatable only supports left outer joins. In order to join, the frame must be keyed first, and then joined to another frame DT …