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In statistics, the explained sum of squares (ESS), alternatively known as the model sum of squares or sum of squares due to regression (SSR – not to be confused with the residual sum of squares (RSS) or sum of squares of errors), is a quantity used in describing how well a model, often a regression model, represents the data being modelled.
ESS can be performed as part of the manufacturing process or it can be used in new product qualification testing. An ESS system usually consists of a test chamber, controller, fixturing, interconnect and wiring, and a functional tester. These systems can be purchased from a variety of companies in the environmental test industry.
Among these, this form of counter-discourse was identified as typically Qur'anic by Josef Van Ess in 1970. [2] It was studied by Rosalind Gwynne Ward in 2004, [ 3 ] then by Mehdi Azaiez [ 4 ] as part of his thesis under the supervision of Claude Gilliot.
The emergency stop signal is automatically activated if the vehicle speed is greater than 50 km/h (31 mph) and the emergency braking logic defined by regulation No. 13 (heavy vehicles), 13H (light vehicles), or 78 (motorcycles) is activated; the ESS may be displayed when a light vehicle's deceleration is greater than 6 m/s 2 (20 ft/s 2) or a ...
As is often the case in measure-theoretic questions, the definition of essential supremum and infimum does not start by asking what a function does at points (that is, the image of ), but rather by asking for the set of points where equals a specific value (that is, the preimage of under ).
The red sign spells Straße with ſs; the blue sign uses the standard blackletter ſʒ ligature. Capital ß in a web application The inclusion of a capital ẞ in Unicode in 2008 revived the century-old debate among font designers as to how such a character should be represented.
The accident airplane, registration N93119 (a Boeing 747-131), was manufactured by Boeing in July 1971. The plane was purchased new by Trans World Airlines in 1971. The aircraft had completed 16,869 flights with 93,303 hours of operation and was powered by four Pratt & Whitney JT9D-7AH turbofan engines.
Road Weather Information Systems (RWIS) / Environmental Sensor Stations (ESS) Dynamic message sign monitoring and control; Ramp meter monitoring and control; Traffic camera monitoring and control; Vehicle Detector Stations (VDS) for monitoring real-time vehicle speed, flow, density; Toll tags; Incident tracking, monitoring, and storage