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Data for these collections can be imported from various file formats such as comma-separated values, JSON, Parquet, SQL database tables or queries, and Microsoft Excel. [8] A Series is a 1-dimensional data structure built on top of NumPy's array. [9]: 97 Unlike in NumPy, each data point has an associated label. The collection of these labels is ...
In computer programming, a naming convention is a set of rules for choosing the character sequence to be used for identifiers which denote variables, types, functions, and other entities in source code and documentation.
The Common Warehouse Metamodel: An Introduction to the standard for Data Warehouse Integration. OMG Press (John Wiley & Sons), 2002 ISBN 0-471-20052-2; John Poole, Dan Chang, Douglas Tolbert, and David Mellor (2003). Common Warehouse Metamodel Developer's Guide. OMG Press (John Wiley & Sons), 2003 ISBN 978-0-471-20243-1
IOB files have no place to put commonly-needed meta-data, such as the character encoding being used, the data source, internal location-markers, and so on. More powerful formats (most obviously XML , but even JSON or s-expressions ) can handle far more diverse annotations, have far less variation between implementations, and are often shorter ...
Python, for example, uses the label MS-Kanji (or cp932) for Windows-932 and the label Shift_JIS (or sjis) for JIS X 0208-defined Shift JIS, without recognising the Windows-31J label. [ 12 ] In Japanese editions of Windows, this code page is referred to as "ANSI" , since it is the operating system's default 8-bit encoding, even though ANSI was ...
Let the playoffs commence. A first-of-its-kind College Football Playoff officially kicks off Friday at 8 p.m. ET with No. 9 Indiana taking the three-hour-plus drive north US-31 to Notre Dame ...
Tab-separated values (TSV) is a simple, text-based file format for storing tabular data. [3] Records are separated by newlines , and values within a record are separated by tab characters . The TSV format is thus a delimiter-separated values format, similar to comma-separated values .
In a data warehouse, a measure is a property on which calculations (e.g., sum, count, average, minimum, maximum) can be made. A measure can either be categorical, algebraic or holistic. A measure can either be categorical, algebraic or holistic.