Results 21 to 30 of about 563,239 (196)

How to use χ2 test correctly——the rank sum tests and the implementation of the SAS software

open access: yesSichuan jingshen weisheng, 2021
The purpose of this article was to introduce the rank sum test and its SAS implementation. The concrete contents included the following three aspects: ①the simple linear rank test of two-sample data, ②the one-way ANOVA rank sum test of the multi-sample ...
Hu Chunyan, Hu Liangping
doaj   +1 more source

How to use χ2 test correctly—— the goodness of fit tests and the implementation of the SAS software

open access: yesSichuan jingshen weisheng, 2021
The purpose of this article was to introduce the goodness of fit test and its SAS implementation. The main contents included the following four aspects: ① Pearson΄s goodness of fit test; ② deviance or likelihood ratio goodness of fit test; ③ Hosmer ...
Hu Chunyan, Hu Liangping
doaj   +1 more source

Network intrusion detection using hybrid machine learning methods

open access: yesMokslas: Lietuvos Ateitis, 2023
Network intrusion detection is a relevant cybersecurity research field. The growing number of intrusions requires more sophisticated methods to protect computer networks.
Karina Čiurlienė   +1 more
doaj   +1 more source

Evaluation on efficacy of serological and PCR detection for diagnosis of acute human brucellosis

open access: yesZhongguo gonggong weisheng, 2023
ObjectiveTo evaluate the efficacy of serological and nested PCR detection for diagnosis of acute human brucellosis. MethodsSerum samples of 115 confirmed brucellosis patients were collected for detection of brucella-specific immunoglobulin (Ig) with ...
Jianmei YU, Yuanyuan ZHANG, Ming FANG
doaj   +1 more source

Developing the composed probability model to predict household trip production (a case study of Isfahan city)

open access: yesTransport, 2009
Household trip production is not a constant parameter and vary based on socio‐economic characteristics. Even households produce several numbers of trips in each category (households with constant socio‐economic characteristics).
Ali Mansour Khaki   +2 more
doaj   +1 more source

Effect of Direct Bilirubin Level on Clinical Outcome and Prognoses in Severely/Critically Ill Patients With COVID-19

open access: yesFrontiers in Medicine, 2022
ObjectivesWe aimed to investigate how changes in direct bilirubin (DBiL) levels in severely/critically ill the coronavirus disease (COVID-19) patients during their first week of hospital admission affect their subsequent prognoses and mortality.MethodsWe
Wensen Chen   +13 more
doaj   +1 more source

Analysis of the effect of repair materials for orbital blowout fracture on complications [PDF]

open access: yesInternational Journal of Ophthalmology, 2019
AIM: To investigate the effect of repair materials for orbital blowout fractures on the occurrence of postoperative complications. METHODS: The clinical data and follow-up data of 54 subjects with orbital blowout fractures were retrospectively analyzed.
Qi-Hua Xu   +4 more
doaj   +1 more source

Safety of Internal Electronic Fetal Heart Rate Monitoring During Labor

open access: yesMaternal-Fetal Medicine, 2022
. Objective:. To investigate the safety and efficacy of internal electronic fetal heart rate (FHR) monitoring during labor. Methods:. This was a retrospective case-control study, which was an analysis of monitoring FHR with a fetal scalp electrode or a ...
Yiheng Liang   +7 more
doaj   +1 more source

Status and trend analysis of neuropsychological development of children aged 0‒2 in Tongzhou, Beijing, 2017‒2021

open access: yesShanghai yufang yixue, 2023
ObjectiveTo describe the neuropsychological development screening of 0‒2 years in Tongzhou from 2017 to 2021 so as to understand the status and trend of developmental delay (DD).MethodsAnnual report data of 21 community health service centers in Tongzhou
HU Yue, BAO Zheng, HOU Yueyun, NIU Liwen
doaj   +1 more source

Dimensionality analysis of the German version of the Screen for Cognitive Impairment in Psychiatry (SCIP-G)

open access: yesSchizophrenia Research: Cognition, 2022
Background: Psychiatric disorders, especially schizophrenia, are characterised by cognitive impairment. The rapid detection of cognitive dysfunction - also in the course of the disease - is of great importance.
Gabriele Sachs   +5 more
doaj   +1 more source

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