Results 41 to 50 of about 457,622 (321)

Confidence intervals for the difference and the ratio of Lognormal means with bounded parameters [PDF]

Songklanakarin Journal of Science and Technology (SJST), 2015
In this paper, confidence intervals for the difference between lognormal means and the ratio of lognormal means with restricted parameter spaces are proposed.
Sa-aat Niwitpong
doaj  

Generalized anxiety disorder and sleep quality during COVID-19 lockdown in Egypt: a web-based cross-sectional survey

Middle East Current Psychiatry, 2023
Background Coronavirus disease (COVID-19) was identified in China in December 2019. During any major epidemic, psychosocial disturbance occurs, which can surpass people’s capacity to handle the condition.
Eman Elfar, Rehab Abdelhai, Mohammed Oraby, Mennatallah Said Hosney   +3 more
doaj   +1 more source

Extreme Value Theory and the Solar Cycle [PDF]

, 2007
We investigate the statistical properties of the extreme events of the solar cycle as measured by the sunspot number. The recent advances in the methodology of the theory of extreme values is applied to the maximal extremes of the time series of sunspots.
A. Asensio Ramos, Bernstein, Bhavsar, Bhavsar, Cameron, Choudhuri, Dikpati, Du, Fisher, Li, Orfila, Pickands, Siscoe, Siscoe, Solanki, Verdes, Willis   +16 more
core   +1 more source

Self-care practices and correlates among patients with type 2 diabetes in Eastern Ethiopia: A hospital-based cross-sectional study

SAGE Open Medicine, 2022
Objective: This study investigated the level and correlates of self-care practices among patients with type 2 diabetes on follow-up in two public hospitals in Harar, Eastern Ethiopia.
Shiferaw Letta, Fekadu Aga, Tesfaye Assebe Yadeta, Biftu Geda, Yadeta Dessie   +4 more
doaj   +1 more source

Ambient Particulate Air Pollution and Daily Hospital Admissions in 31 Cities in Poland

Atmosphere, 2022
A strong and consistent association has been observed between morbidity or mortality rates and PM concentration, and is well documented in many countries.
Łukasz Adamkiewicz, Katarzyna Maciejewska, Daniel Rabczenko, Anetta Drzeniecka-Osiadacz   +3 more
doaj   +1 more source

Student's $t$-test for scale mixture errors

, 2006
Generalized t-tests are constructed under weaker than normal conditions. In the first part of this paper we assume only the symmetry (around zero) of the error distribution (i). In the second part we assume that the error distribution is a Gaussian scale
Székely, Gábor J.
core   +2 more sources

Model-Based Geostatistics for Prevalence Mapping in Low-Resource Settings [PDF]

, 2015
In low-resource settings, prevalence mapping relies on empirical prevalence data from a finite, often spatially sparse, set of surveys of communities within the region of interest, possibly supplemented by remotely sensed images that can act as proxies ...
Diggle, Peter J., Giorgi, Emanuele
core   +2 more sources

Changes in Body Composition in Children and Young People Undergoing Treatment for Acute Lymphoblastic Leukemia: A Systematic Review and Meta‐Analysis

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Ongoing evidence indicates increased risk of sarcopenic obesity among children and young people (CYP) with acute lymphoblastic leukemia (ALL), often beginning early in treatment, persisting into survivorship. This review evaluates current literature on body composition in CYP with ALL during and after treatment.
Lina A. Zahed, Raquel Revuelta Iniesta, Mary Fewtrell, Julie Lanigan, Breeana Gardiner, Graeme O'Connor   +5 more
wiley   +1 more source

Confidence intervals for coefficient of variation of Delta-Birnbaum-Saunders distribution with application to wind speed data

AIMS Mathematics
The delta-Birnbaum-Saunders distribution is considered a relatively new distribution that combines the Birnbaum-Saunders distribution with data that include zero values.
Usanee Janthasuwan, Suparat Niwitpong, Sa-Aat Niwitpong   +2 more
doaj   +1 more source

Inference on the Parameters of the Weibull Distribution Using Records [PDF]

, 2015
The Weibull distribution is a very applicable model for the lifetime data. In this paper, we have investigated inference on the parameters of Weibull distribution based on record values.
Jafari, Ali Akbar, Zakerzadeh, Hojatollah   +1 more
core   +3 more sources