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Missing not at random (MNAR) (also known as nonignorable nonresponse) is data that is neither MAR nor MCAR (i.e. the value of the variable that's missing is related to the reason it's missing). [5] To extend the previous example, this would occur if men failed to fill in a depression survey because of their level of depression.
Initially retailed for less than $750 (equivalent to $2,294 in 2023), it was a complete low-cost system that shipped with a 75-key typewriter-style keyboard, a daisy-wheel printer, one drive for a class of proprietary data cassettes called Digital Data Packs with the option of a second, a Zilog Z80A as its main processor, and 80 KB of RAM ...
A third study combined the ancient data from both of the preceding studies and compared it to a large number of modern samples from across Britain and Ireland. This study found that modern southern, central and eastern English populations were of "a predominantly Anglo-Saxon-like ancestry" while those from northern and southwestern England had ...
A web page from Wikipedia displayed in Google Chrome. The World Wide Web (WWW or simply the Web) is an information system that enables content sharing over the Internet through user-friendly ways meant to appeal to users beyond IT specialists and hobbyists. [1]
The culmination of centuries of advances in the printing press, moveable type, paper, ink, publishing, and distribution, combined with an ever-growing information-oriented middle class, increased commercial activity and consumption, new radical ideas, massive population growth and higher literacy rates forged the public library into the form that it is today.
MySQL (/ ˌ m aɪ ˌ ɛ s ˌ k juː ˈ ɛ l /) [6] is an open-source relational database management system (RDBMS). [6] [7] Its name is a combination of "My", the name of co-founder Michael Widenius's daughter My, [1] and "SQL", the acronym for Structured Query Language.
The low estimate includes $0.40 to print each ballot, and more than enough ballots for historic turnout levels. The high estimate includes $0.55 to print each ballot, and enough ballots for every registered voter, including three ballots (of different parties) for each registered voter in primary elections with historically low turnout.
2.0 and later: Press F1, F5, F9, F4 and ← Backspace in rapid succession. Windows 3.0 has a developer credits page which may be accessed by setting the focus to the desktop (by minimizing all windows and clicking on an open area of the desktop) then typing win30 followed by F3 and ← Backspace in quick succession. This causes the developer ...