error ratio
51K-Ratio — A ratio that is used in the performance evaluation of an equity relative to its risk. The ratio examines the consistency of an equity s return over time. The data for the ratio is derived from a value added monthly index (VAMI), which tracks the… …
52critical ratio — any of a class of tests of statistical significance in which a parameter is divided by its standard error; e.g., in the t test, the critical ratio is the difference between two means divided by the standard error of that difference. The larger… …
53Golden ratio base — is a non standard positional numeral system that uses the golden ratio (an irrational number ≈1.61803... symbolized by the Greek letter φ) as its base. It is sometimes referred to as base φ, golden mean base, phi base, or, colloquially, phinary.… …
54Accuracy Ratio — Schätzgütemaße für ordinale Insolvenzprognosen messen die Qualität ordinaler Insolvenzprognosen. Ordinale Insolvenzprognosen sind Prognosen über die relativen Ausfallwahrscheinlichkeiten der bewerteten Unternehmen wie „Unternehmen Y fällt mit… …
55Mean percentage error — In statistics, the mean percentage error (MPE) is the computed average of percentage errors by which estimated forecasts differ from actual values of the quantity being forecast. Formula for mean percentage error calculation is: where at is the… …
56Urea reduction ratio — For the Scottish river see: Urr Water The urea reduction ratio (URR), is a dimensionless number used to quantify hemodialysis treatment adequacy.DefinitionURR = frac{U {pre} U {post{U {pre imes 100% Where: * Upre is the pre dialysis urea level *… …
57Risk/Reward Ratio — A ratio used by many investors to compare the expected returns of an investment to the amount of risk undertaken to capture these returns. This ratio is calculated mathematically by dividing the amount of profit the trader expects to have made… …
58Block error — A block error is a common type of error in certain types of digital television transmission, particularly those that use image compression. Its presence in a television image is a telltale sign that 1) the signal is broadcast digitally, as this… …
59information ratio — Indicator that measures the stability of excess returns on an asset or group of assets relative to a benchmark. The information ratio divides this outperformance by its tracking error ( i.e. the standard deviation of the outperformance). A high… …
60Common-mode rejection ratio — The common mode rejection ratio (CMRR) of a differential amplifier (or other device) is the tendency of the devices to reject the input signals common to both input leads. A high CMRR is important in applications where the signal of interest is… …
