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Article | 05-September-2021

Acceptance sampling plans from a truncated life test based on the power Lomax distribution with application to manufacturing

In this research, a new acceptance sampling plan for a truncated life test is presented, assuming that the quality characteristic follows the power Lomax distribution. The operating characteristic function values are calculated for the proposed sampling plan, jointly with the optimal sample size and the producer’s risk for a selection of distribution parameters. Furthermore, a comparative study with other sampling plans is introduced to demonstrate the advantages of the proposed plan

Amjad D. Al-Nasser, Muhammad Ahsan ul Haq

Statistics in Transition New Series, Volume 22 , ISSUE 3, 1–13

Article | 27-May-2019


In this manuscript, a group acceptance sampling plan (GASP) is developed when the lifetime of the items follows odd generalized exponential log-logistic distribution (OGELLD), the multiple number of items as a group can be tested simultaneously in a tester. The design parameters such as the minimum group size and the acceptance number are derived when the consumer’s risk and the test termination time are specified. The operating characteristic (OC) function values are calculated (intended

Devireddy Charana Udaya Sivakumar, Rosaiah Kanaparthi, Gadde Srinivasa Rao, Kruthiventi Kalyani

Statistics in Transition New Series, Volume 20 , ISSUE 1, 103–116

Article | 01-September-2015


This paper has given the structure, operating principle, and force analysis of electric power steering (EPS) system aimed at a type of forklift. Combing with forklift operating characteristic, three variable power characteristics curve based on steering wheel torque, real-time speed, and load is designed, so is the three dimensional diagram of forklift power gradient by using fuzzy rule. The dynamic model of EPS system and two-degree-of-freedom linear model of forklift dynamics are established

Yan He, Benxian Xiao

International Journal on Smart Sensing and Intelligent Systems, Volume 8 , ISSUE 3, 1768–1785

research-article | 28-September-2020

Evaluation of benign parotid gland tumors with superb microvascular imaging and shear wave elastography

. Categorical variables were tested by Fisher’s exact test. The Mann-Whitney U test was used for the comparison of stiffness, velocity and VI values between pleomorphic adenomas and Warthin tumors. The Spearman correlation analysis was used to evaluate the relationship between the VI values, the lesion area in mm2, and stiffness and velocity values. The statistical significance level was defined as 0.05. A receiver operating characteristic (ROC) curve analysis was performed to determine the best cut-off

Hakan Cebeci, Mehmet Öztürk, Mehmet Sedat Durmaz, Abidin Kılınçer, Ömer Erdur, Bahar Çolpan

Journal of Ultrasonography, Volume 20 , ISSUE 82, 185–190

research-article | 30-November-2017

Validation of the Polish version of the Neurological Disorders Depression Inventory for Epilepsy (P-NDDI-E)

Approximation (RMSEA). Satorra-Bentler correction for χ2 was used regardless non-normality of the data. The Receiver-Operating Characteristic (ROC) was performed to obtain specificity, sensitivity and cut-off point. The ROC analysis was obtained by comparing the NDDI-E scores between those with and without depression based on the MINI items. Between group differences in NDDI-E score were also examined and were used as indication of validity of NDDI-E. Considering the non-normal distribution of the NNDI-E

Bartłomiej Gmaj, Jerzy Majkowski, Jan Szczypiński, Joanna Jędrzejczak, Beata Majkowska-Zwolińska, Marcin Wojnar, Jacek Gawłowicz, Piotr Januszko, Sung Pa Park, Ewa Nagańska, Simon Ziemka, Dorota Wołyńczyk-Gmaj

Journal of Epileptology, Volume 26 , ISSUE 1-2, 59–64

Original Paper | 24-February-2017

Inability of shear-wave elastography to distinguish malignant from benign prostate tissue – a comparison of biopsy, whole-mount sectioning and shear-wave elastography

-wave elastography were compared with biopsy and histological results. Results: The comparison between the results of shear-wave elastography and those of biopsy was performed by receiver operating characteristic analysis, which suggested an optimum cut-off tissue elasticity value of 50 kPa, in agreement with earlier studies aimed at distinguishing between benign and malignant tissue. However, the diagnostic selectivity (and thus the diagnostic power) was poor (area under the curve 0.527, which

Markus Porsch, Claudia Görner, Johann Jakob Wendler, Uwe-Bernd Liehr, Anke Lux, Sandra Siedentopf, Martin Schostak, Maciej Pech

Journal of Ultrasonography, Volume 16 , ISSUE 67, 348–358

research-article | 06-June-2019

Further evidence of the Diagnostic Utility of the Child Behavior Checklist for identifying pediatric Bipolar I Disorder

(for expected counts < 5) for binary outcomes and Wilcoxon rank-sum test for ordinal outcomes. Next, we calculated conditional probabilities for each of the studies separately using a conservative cut-off point of ≥ 180 for the CBCL-BP profile. We subsequently combined the data from the four studies and used receiver operating characteristic (ROC) curves to examine the ability of the CBCL-BP profile to identify those with and without a structured interview diagnosis of BP-I disorder. ROC analysis

Amy Yule, Maura Fitzgerald, Timothy Wilens, Janet Wozniak, K. Yvonne Woodworth, Alexa Pulli, Mai Uchida, Stephen V. Faraone, Joseph Biederman

Scandinavian Journal of Child and Adolescent Psychiatry and Psychology , Volume 7 , 1–8

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