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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 ...
Dataframe may refer to: A tabular data structure common to many data processing libraries: pandas (software) § DataFrames; The Dataframe API in Apache Spark; Data frames in the R programming language; Frame (networking)
Wes McKinney is an American software developer and businessman. He is the creator and "Benevolent Dictator for Life" (BDFL) of the open-source pandas package for data analysis in the Python programming language, and has also authored three versions of the reference book Python for Data Analysis.
The Art of Memory is a 1966 non-fiction book by British historian Frances A. Yates.The book follows the history of mnemonic systems from the classical period of Simonides of Ceos in Ancient Greece to the Renaissance era of Giordano Bruno, ending with Gottfried Leibniz and the early emergence of the scientific method in the 17th century.
Computer memory is divided into pages so that information can be found more quickly. The concept is named by analogy to the pages of a printed book. If a reader wanted to find, for example, the 5,000th word in the book, they could count from the first word. This would be time-consuming.
Memory is a thriller novel by American writer Donald E. Westlake, published posthumously in April 2010. [ 2 ] [ 4 ] The novel was written in 1963 and was shopped to publishers by Westlake's then-agent, Scott Meredith , but none of them bought it despite editors praising the novel. [ 5 ]
Lightning Memory-Mapped Database (LMDB) is an embedded transactional database in the form of a key-value store. LMDB is written in C with API bindings for several programming languages . LMDB stores arbitrary key/data pairs as byte arrays, has a range-based search capability, supports multiple data items for a single key and has a special mode ...
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