Results 71 to 80 of about 124,332 (265)
Can the box plot be improved? [PDF]
Songklanakarin Journal of Science and Technology (SJST), 2005 Invented by Spear in 1952 and popularized by Tukey in 1977, the box plot is widely used for displaying and comparing samples of continuous observations.
Chamnein Choonpradub, Don McNeil
doaj
Arthritis Care &Research, EarlyView.Objective The objective of this study was to describe the longitudinal disease course and pulmonary outcomes of North American patients with melanoma differentiation–associated protein 5 (MDA5) antibody–associated dermatomyositis (DM). Methods Thirty patients with MDA5 antibody–associated DM were identified in a single‐center longitudinal cohort of 352
Jenice X. Cheah +8 more
wiley +1 more source
Geometric Representation of the Mean-Variance-Skewness Portfolio Frontier Based upon the Shortage Function [PDF]
The literature suggests that investors prefer portfolios based on mean, variance and skewness rather than portfolios based on mean-variance (MV) criteria solely.
Kristiaan Kerstens +2 more
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Analysis of the inflation structure of Spanish regions:The Ball and Mankiw methodology [PDF]
Investigaciones Regionales - Journal of Regional Research, 2004 In this paper we analyze the incidence of the distribution of price changes on the inflation rate of Spanish regions (1994-2001).Especially,we pay attention to the role of variability and skewness.The methodology applied is based on the menu cost models ...
María Ángeles Caraballo +1 more
doaj
New Onset of Fibromyalgia After Exposure to a Combat Environment: A Longitudinal Cohort Study
Arthritis Care &Research, EarlyView.Objective Traumatic life events are hypothesized to be triggers for the onset of fibromyalgia. Posttraumatic stress disorder (PTSD) is a common comorbidity of fibromyalgia. However, limited prospective data are available on the development of fibromyalgia after exposure to high‐magnitude stress.
Jay B. Higgs +15 more
wiley +1 more source
Skewness by splitting the scale parameter [PDF]
There are several possibilities to introduce skewness into a symmetric distribution. One of these procedures applies two dfferent parameters of scale - with possibly different weights - to the positive and the negative part of a symmetric density. Within
Fischer, Matthias J., Klein, Ingo
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Arthritis Care &Research, EarlyView.Objective We aimed to construct and evaluate the first laboratory‐based frailty index (FI‐Lab) for predicting adverse outcomes in systemic lupus erythematosus (SLE) and to compare its predictive ability to that of an existing clinical FI. Methods We used data from a single‐center prospective cohort of adult patients with SLE whose baseline visit ...
Grace Burns +2 more
wiley +1 more source
Volatility-dependent skewness preference
, 2021 In this article, the authors propose a variance-dependent explanation for the contradiction between skewness preference and low expected return concerning lottery stocks.
Gao, Xiang, Wang, Zhan, Koedijk, Kees G.
core +1 more source
Exp-Kumaraswamy Distributions: Some Properties and Applications [PDF]
Journal of Sciences, Islamic Republic of Iran, 2015 In this paper, we propose and study exp-kumaraswamy distribution. Some of its properties are derived, including the density function, hazard rate function, quantile function, moments, skewness and kurtosis.
Z. Javanshiri +2 more
doaj
Arthritis Care &Research, EarlyView.Objective This study aimed to investigate hand function trajectories over five years in primary hand osteoarthritis (OA). Additionally, determinants of baseline and longitudinal hand function were assessed. Methods A total of 538 patients with both baseline and five‐year study visits were analyzed.
Annemiek V. E. M. Olde Meule +4 more
wiley +1 more source