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Precision and recall. In statistical analysis of binary classification and information retrieval systems, the F-score or F-measure is a measure of predictive performance. It is calculated from the precision and recall of the test, where the precision is the number of true positive results divided by the number of all samples predicted to be positive, including those not identified correctly ...
Microsoft Excel is a spreadsheet editor developed by Microsoft for Windows, macOS, Android, iOS and iPadOS.It features calculation or computation capabilities, graphing tools, pivot tables, and a macro programming language called Visual Basic for Applications (VBA).
However, this convention is not universally understood, and some authors prefer explicit parentheses. [b] Some calculators and programming languages require parentheses around function inputs, some do not. Symbols of grouping can be used to override the usual order of operations. [2] Grouped symbols can be treated as a single expression. [2]
In macOS 10.14 Mojave, the updating function was moved again to the Software Update settings pane. Most Macs receive six or seven years of macOS updates. After a new major release of macOS, the previous two releases still receive occasional updates, but many security vulnerabilities are only patched in the latest macOS release.
Although fiber-optic systems excel in high-bandwidth applications, the last mile problem remains unsolved as fiber to the premises has experienced slow uptake. However, fiber to the home (FTTH) deployment has accelerated. In Japan, for instance EPON has largely replaced DSL as a broadband Internet source. The largest FTTH deployments are in ...
The first element in the list is the name of a function, the name of a macro, a lambda expression or the name of a "special operator" (see below). The remainder of the list are the arguments. For example, the function list returns its arguments as a list, so the expression
Buckling a three-point seat belt. A seat belt, also known as a safety belt or spelled seatbelt, is a vehicle safety device designed to secure the driver or a passenger of a vehicle against harmful movement that may result during a collision or a sudden stop.
The National Center for Educational Statistics has released the "Nation's Report Card," which shows that American children are sliding in their reading skills and barely improving in mathematics.