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Most database programs can export data as CSV. Most spreadsheet programs can read CSV data, allowing CSV to be used as an intermediate format when transferring data from a database to a spreadsheet. CSV is also used for storing data. Common data science tools such as Pandas include the option to export data to CSV for long-term storage. [10]
The pandas package in Python implements this operation as "melt" function which converts a wide table to a narrow one. The process of converting a narrow table to wide table is generally referred to as "pivoting" in the context of data transformations.
[4]: 114 A DataFrame is a 2-dimensional data structure of rows and columns, similar to a spreadsheet, and analogous to a Python dictionary mapping column names (keys) to Series (values), with each Series sharing an index. [4]: 115 DataFrames can be concatenated together or "merged" on columns or indices in a manner similar to joins in SQL.
Records are typically separated by a line feed, as is typical for Unix platforms, or a carriage return and line feed, as is typical for Microsoft platforms. Some programs may expect the latter. The de-facto specification [9] specifies that records are separated by an EOL, but does not specify any specific newline.
The unemployment rate edged up moderately to 4.2% from October's 4.1%. A new labor reading for December is due on January 10, 2025 — the first major economic report in the new year.
The FBI has released new information and video of the individual who planted pipe bombs outside the headquarters of both the Republican National Committee and the Democratic National Committee on ...
These 2 Nutrients Could Help You Lose Weight Tanja Ivanova - Getty Images. There’s a lot of information out there about how to lose weight—and some tidbits are more reliable than others.
From January 2008 to December 2012, if you bought shares in companies when Jacquelyn Ward joined the board, and sold them when he left, you would have a -15.9 percent return on your investment, compared to a -2.8 percent return from the S&P 500.