منابع مشابه
Expected values in percentile indicators
PP(top x%) is the proportion of papers of a unit (e.g. an institution or a group of researchers), which belongs to the x% most frequently cited papers in the corresponding fields and publication years. It has been proposed that x% of papers can be expected which belongs to the x% most frequently cited papers. In this Letter to the Editor we will present the results of an empirical test whether ...
متن کاملOn the calculation of percentile-based bibliometric indicators
A percentile-based bibliometric indicator is an indicator that values publications based on their position within the citation distribution of their field. The most straightforward percentile-based indicator is the proportion of frequently cited publications, for instance the proportion of publications that belong to the top 10% most frequently cited of their field. Recently, more complex perce...
متن کاملReference Values for Serum Total Cholesterol Concentrations Using Percentile Regression Model: A Population Study in Mashhad
Background and Purpose: Serum total cholesterol (TC) concentrations are affected by several factors including ethnicity, diet, geographic, and environmental determinants, and are related to another disease, including hypothyroidism, and renal and liver disease. It is associated with an increased risk of cardiovascular disease, particularly if associated with high levels of serum low-density lip...
متن کاملGeneration of Percentile Values for Human Joint Torque Characteristics
This pilot study presents an approach to generate percentile values for joint torque characteristics of digital human models. Detailed angle specific joint torque measurements of few subjects are set in relation to extensive measurements of external maximum forces including percentile values based on many subjects by using muti-body simulation. Results indicate the applicability of the approach...
متن کاملDiscounting Expected Values with Parameter Uncertainty
In valuing future cash °ows standard practice is to take the current cash °ow and then extrapolate at an expected growth rate, which can vary at di®erent points in time. This practice stems form the standard way of dealing with time value of money problems under certainty. However, with uncertain cash °ows this practice underestimates the expected cash °ows when the growth rates are serially co...
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ژورنال
عنوان ژورنال: COLLNET Journal of Scientometrics and Information Management
سال: 2017
ISSN: 0973-7766,2168-930X
DOI: 10.1080/09737766.2017.1292668