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McKinney made the pandas project public in 2009. [6] McKinney left AQR in 2010 to start a PhD in Statistics at Duke University. He went on leave from Duke in the summer of 2011 to devote more time to developing Pandas, [6] culminating in the writing of Python for Data Analysis in 2012. In 2012, he co-founded Lambda Foundry Inc. [7]
However, if data is a DataFrame, then data['a'] returns all values in the column(s) named a. To avoid this ambiguity, Pandas supports the syntax data.loc['a'] as an alternative way to filter using the index. Pandas also supports the syntax data.iloc[n], which always takes an integer n and returns the nth value, counting from 0. This allows a ...
Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. Unsourced material may be challenged and removed. Find sources: "Comparison of code generation tools" – news · newspapers · books · scholar · JSTOR ( February 2015 ) ( Learn how and when to remove this message )
Wikipedia:Video links – an essay discussing the use of citations linking to YouTube and other user-submitted video sites; Wikipedia:WikiProject Citation cleanup – a group of people devoted to cleaning up citations; Wikipedia:Reference database – essay/proposal; Changing citation style formats. WP:CITEVAR
MLA Style Manual, formerly titled MLA Style Manual and Guide to Scholarly Publishing in its second (1998) and third edition (2008), was an academic style guide by the United States–based Modern Language Association of America (MLA) first published in 1985. MLA announced in April 2015 that the publication would be discontinued: the third ...
The Dataframe API was released as an abstraction on top of the RDD, followed by the Dataset API. In Spark 1.x, the RDD was the primary application programming interface (API), but as of Spark 2.x use of the Dataset API is encouraged [3] even though the RDD API is not deprecated. [4] [5] The RDD technology still underlies the Dataset API. [6] [7]
For the cite tool, see Special:Cite, or follow the "Cite this page" link in the toolbox on the left of the page in the article you wish to cite. The following examples assume you are citing the Wikipedia article on Plagiarism , using the version that was submitted on July 22, 2004, at 10:55 UTC , and that you retrieved the article on August 10 ...
Template:More citations needed for an article (rather than an individual statement) that has some citations, but not enough. Template messages – Sources of articles; Inline verifiability and sources cleanup templates; Wikipedia:Verification methods – listing examples of the most common ways that citations are used in Wikipedia articles