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R is a programming language for statistical computing and data visualization.It has been adopted in the fields of data mining, bioinformatics, and data analysis. [9]The core R language is augmented by a large number of extension packages, containing reusable code, documentation, and sample data.
In the above code, 4..=10 is a value of type Range which implements the Iterator trait. The code within the curly braces is applied to each element returned by the iterator. Iterators can be combined with functions over iterators like map, filter, and sum. For example, the following adds up all numbers between 1 and 100 that are multiples of 3:
The Starlet project's code name survives in VMS in the name of several of the system libraries, including STARLET.OLB and STARLET.MLB. [29] VMS was mostly written in VAX MACRO with some components written in BLISS. [9] One of the original goals for VMS was backward compatibility with DEC's existing RSX-11M operating system. [9]
To prepare a sample for testing, approximately 10 mg of the drug, about the size of hair on Abraham Lincoln's head on a penny, should be diluted into 1 teaspoon, or 5 mL, of water. [127] Research in Dr. Lieberman's lab at the University of Notre Dame has reported false positive results on BTNX fentanyl testing strips with methamphetamine , MDMA ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 26 September 2024. Type of extremely powerful computer For other uses, see Supercomputer (disambiguation). The IBM Blue Gene/P supercomputer "Intrepid" at Argonne National Laboratory runs 164,000 processor cores using normal data center air conditioning, grouped in 40 racks/cabinets connected by a high ...
BBC Red Button is the brand name for the BBC's interactive television services, which are available through Freeview (digital terrestrial), as well as Freesat, Sky UK (satellite), and Virgin Media (cable). Unlike Ceefax, the service's analogue counterpart, BBC Red Button is able to display full-colour graphics, photographs, and video, as well ...
The first Canberra B.2 prototype, VX165. The Air Ministry specification B.3/45 had requested the production of four prototypes. On 9 January 1946, English Electric received a contract to produce four prototypes, which received the Society of British Aerospace Companies designation A.1; work commenced on the construction of these prototype aircraft in that same year, which were all built on ...