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Thus, the current Stata release can always open datasets that were created with older versions, but older versions cannot read newer format datasets. Stata can read and write SAS XPORT format datasets natively, using the fdause and fdasave commands. Some other econometric applications, including gretl, can directly import Stata file formats.
The CSV file format is one type of delimiter-separated file format. [2] Delimiters frequently used include the comma, tab, space, and semicolon. Delimiter-separated files are often given a ".csv" extension even when the field separator is not a comma. Many applications or libraries that consume or produce CSV files have options to specify an ...
(empty set) ∅ denoting the set ∅. (empty string) ε denoting the set containing only the "empty" string, which has no characters at all. (literal character) a in Σ denoting the set containing only the character a. Given regular expressions R and S, the following operations over them are defined to produce regular expressions:
For Harry’s part, he remains deeply concerned for the safety of Meghan and their children Prince Archie, 5, and Princess Lilibet, 3, and has repeatedly asked his father for help, sources told ...
Pollard’s family called police at about 1 a.m. Tuesday to say she had not been seen since going out at about 5 p.m. Monday to search for Pepper, her cat.
It's unclear what sparked the 2 a.m. argument at Bagel Deport on Richmond Avenue — but the masked, hoodie-wearing suspect pulled out a knife to settle it.
A delimited text file is a text file used to store data, in which each line represents a single book, company, or other thing, and each line has fields separated by the delimiter. [3] Compared to the kind of flat file that uses spaces to force every field to the same width, a delimited file has the advantage of allowing field values of any length.
From January 2008 to December 2012, if you bought shares in companies when Judith A. Sprieser joined the board, and sold them when she left, you would have a -23.1 percent return on your investment, compared to a -2.8 percent return from the S&P 500.