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In 1998, KX released kdb, a database built on the language K written by Arthur Whitney.In 2003, kdb+ was released as a 64-bit version of kdb. In 2004, the kdb+ tick market database framework was released along with kdb+ taq, a loader for the New York Stock Exchange (NYSE) taq data. kdb+ was created by Arthur Whitney, building on his prior work with array languages.
Ninja-IDE, free software, written in Python and Qt, Ninja name stands for Ninja-IDE Is Not Just Another IDE; PyCharm, a proprietary and Open Source IDE for Python development. PythonAnywhere, an online IDE and Web hosting service. Python Tools for Visual Studio, Free and open-source plug-in for Visual Studio. Spyder, IDE for scientific programming.
The Bloomberg Terminal is a computer software system provided by the financial data vendor Bloomberg L.P. that enables professionals in the financial service sector and other industries to access Bloomberg Professional Services through which users can monitor and analyze real-time financial market data and place trades on the electronic trading platform. [1]
MetaStock RT received live, real-time quotes from Data Broadcasting’s Signal data feed. In 1995, MetaStock 5.0 was released for the Microsoft Windows 3.1 operating system. Later that year, MetaStock added support for the Reuters DataLink end-of-day data feed.
Data logging can be achieved with transaction groups or SQLTags History. Store-and-Forward is an engine that buffers SQL database writes to memory and caches them to a local disk when an external database connection is unavailable. Upon reconnection the data is forwarded to the server in aggregated time-efficient batches. [8]
Data visualization libraries Plotly.js is an open-source JavaScript library for creating graphs and powers Plotly.py for Python, as well as Plotly.R for R, MATLAB, Node.js, Julia, and Arduino and a REST API.
As of 2011, 92% of the questions were answered, in a median time of 11 minutes. [ 36 ] As of August 2012 [update] , 443,000 of the 1.3 million registered users had answered at least one question, and of those, approximately 6,000 (0.46% of the total user count) had earned a reputation score greater than 5000. [ 37 ]
Category: Free data analysis software. 3 languages. ... Download QR code; Print/export Download as PDF; Printable version; In other projects Wikidata item; Appearance.