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Обратная
| Глоссарий по физической оптике |
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Bootstrapping, английский
- Bootstrapping can be used as a means to estimate the error of a modeling technique, and can be considered a generalization of cross-validation. basically, each bootstrap sample from the training data for a model is a sample, with replacement from the entire training sample. a model is trained for each sample and its error can be estimated from the unselected data in that sample. typically, a large number of samples (>100) are selected and fit. the technique has been extensively studied in statistics literature.
- Creating a theoretical spot rate curve using one yield projection as the basis for the yield of the next maturity. bootstrapping follows the work of efron. it involves a monte carlo approach.
- A technique for constructing standard errors and conducting hypothesis tests that requires no distributional assumptions and works by resampling from the data.
Constrigence, английский
Feedback, английский
- Обратная связь (система возвращения информации по месту ее сбора, после переработки и зачастую с рекомендациями по ее использованию), см. correction retroaction
- In video; wild streaks and flashes on the monitor screen caused by re-entry of a video signal into the switcher and subsequent over-amplification. in audio, piercing squeal from the loudspeaker caused by the accidental re-entry of the loudspeaker sound into the microphone and is over-amplified. can also occur when using a conference telephone while the tv volume is too loud.
- 1. information or comments about something which has been done the initial feedback from patients on the new service was encouraging. 2. the linking of the result of an action back to the action itself
- Обратная связь о
- Evaluative or corrective information about the effect or result of an action or process.
- Обратная связь; отклик
- In general, this term is used to describe systems or inputs where the current output or state can modify the effect of input. a positive feedback acts as an amplifier or magnifier on the output (e.g., the rich get richer and the poor get poorer). a negative feedback acts to diminish large inputs and magnify small inputs. this becomes important in keeping a system in control or "on target." error-driven feedback systems use the
- The return of a portion of the output signal to a device`s input. a common source of feedback is sending the output of a guitar amp`s speaker into a guitar`s pickups, by stepping close to the amp.
- A flow of information back to its or~g~n. a circular causal process in which a system`s output is returned to its input, possibly involving other systems in the loop. negative feedback or deviation reducing feedback decreases the input and is inherently stabilizing (->stability, ->regulation, ->homeostasis), e.g., the governor of a steam engine. positive feedback or deviation amplifying feedback increases the input and is inherently destabilising, explosive or vicious, e.g., the growth of a city when more people create new opportunities which in turn attract more people to live there. feedback is not the term for a response to a stimulus rather for the circularity implied in both. figure-ground
- A color-coded status, which is displayed on the seating chart, that a user can set to communicate with the meeting presenter.
- A ui element that provides access to a site or process for submitting feedback on the product or service being used.
- Comments about a completed assignment that an educator makes during review and grading and that are available to the student once the grade is posted.
- Comments or opinions about and reactions to something, intended to provide useful information for future business decisions and development.
- The return of a portion of system output as input to the same system. often feedback is deliberately designed into a system, but sometimes it is unwanted. in electronics, feedback is used in monitoring, controlling, and amplifying circuitry.
- Some kind of information about how you are getting on with a project (great or small).
- Обратная связь
- The practice of using a measure of output to modify input; in hydraulics, the controlled output, such as position, velocity or pressure, would be measured and compared with the input valve to modify the input.
- Any helpful, constructive information about an event or action that has taken place. feedback may take the form of a suggestion for improvement or identify weaknesses to be addressed, and is used to redesign aspects of a program to make it more successful.
- Constructive information or criticism about an individual`s performance, used to enhance their skills and behaviours in a coaching or mentoring context.
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Бороскоп, русский
Размытие, русский
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