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bias ratio

См. также в других словарях:

  • bias — WikiB A constant amplitude high frequency signal added to the recording signal to improve the signal to noise ratio and reduce the distortion of an analog tape recording …   Audio and video glossary

  • Sharpe ratio — The Sharpe ratio or Sharpe index or Sharpe measure or reward to variability ratio is a measure of the excess return (or risk premium) per unit of deviation in an investment asset or a trading strategy, typically referred to as risk (and is a… …   Wikipedia

  • Ascertainment bias — In scientific research, ascertainment bias occurs when false results are produced by non random sampling and conclusions made about an entire group are based on a distorted or nontypical sample. If this is not accounted for, results can be… …   Wikipedia

  • Return ratio — The return ratio of a dependent source in a linear electrical circuit is the negative of the ratio of the current (voltage) returned to the site of the dependent source to the current (voltage) of a replacement independent source. The terms loop… …   Wikipedia

  • Media bias in the United States — Journalism News · Writing style Ethics · Objectivity Values · …   Wikipedia

  • Inverse Mills ratio — In statistics, the inverse Mills ratio, named after John P. Mills, is the ratio of the probability density function to the cumulative distribution function of a distribution. Use of the inverse Mills ratio is often motivated by the following… …   Wikipedia

  • Optimism bias — is the demonstrated systematic tendency for people to be overly optimistic about the outcome of planned actions. This includes over estimating the likelihood of positive events and under estimating the likelihood of negative events. Along with… …   Wikipedia

  • Odds ratio — The odds ratio [1][2][3] is a measure of effect size, describing the strength of association or non independence between two binary data values. It is used as a descriptive statistic, and plays an important role in logistic regression. Unlike… …   Wikipedia

  • Diagnostic odds ratio — log(Diagnostic Odds Ratio) for varying sensitivity and specificity The diagnostic odds ratio is a measure of the effectiveness of a diagnostic test.[1] It is defined as the ratio of the odds of the test being positive if the subject has a disease …   Wikipedia

  • Contrast-to-noise ratio — Haze over Kuala Lumpur. Contrast to noise ratio (CNR) is a measure used to determine image quality. CNR is similar to the metric, signal to noise ratio (SNR), but subtracts off a term before taking the ratio. This is important when there is a… …   Wikipedia

  • Debt to GDP ratio — Various debt to GDP ratio can be calculated. The most commonly used ratio is the National Debt divided by the Gross Domestic Product (GDP).The ratio can also be calculated by dividing total debt by the Gross Domestic Product (GDP). This… …   Wikipedia

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