scholarly journals Size Does Matter: Model Selection of Shark Attack Case

2021 ◽  
Author(s):  
Andri Wibowo
Keyword(s):  
Model Selection ◽  
Average Length ◽  
Average Weight ◽  
Shark Species ◽  
Carcharodon Carcharias ◽  
Large Size ◽  
Matter Model ◽  
Size Model ◽  
Carcharhinus Melanopterus ◽  
Selection Of

Shark unprovoked attacks consist of fatal and non-fatal cases. Numerous cases have been reported involving shark species from Carcharhinus melanopterus with length of 145.5 cm to half-ton Carcharodon carcharias. Currently there are more (P < 0.05) unprovoked non-fatal cases with the average is 28.46 cases/shark species (95%CI: 3.86-53.1) than unprovoked fatal cases, which the average is 5.12 cases /shark species (95%CI: -0.075-10.3). Hence this paper seeks to select the best shark size model that correlates with the unprovoked fatal and non-fatal cases. The studied sharks consist of 24 shark species with the average length is 268.18 cm (95%CI: 230-306 cm) and the average weight is 225.42 kg (95%CI: 128-323 kg). Based on the model and as described by low values of AIC and the highest values of R2 and adjusted R2 , shark weight followed by combinations of shark weight and length produced unprovoked fatal and non-fatal cases best models. The model for explaining unprovoked fatal cases is the shark weight with high numbers of cases observed in large size shark (weight⁓fatal cases, AIC = 165.359, R2 = 0.72, Adj. R = 0.71). While for non-fatal cases, the best model is also the shark weight (weight⁓non fatal cases, AIC = 246.93, R2 = 0.63, Adj. R = 0.59).

scholarly journals Bayesian MAP model selection of chain event graphs

2011 ◽  
Vol 102 (7) ◽  
pp. 1152-1165 ◽  
Author(s):  
G. Freeman ◽  
J.Q. Smith
Keyword(s):  
Model Selection ◽  
Selection Of

scholarly journals Performance and costing of nutrition intervention measures on admitted children in malnutrition treatment center: a case study from Jharkhand, India

2020 ◽  
Vol 7 (10) ◽  
pp. 4048
Author(s):  
Rajesh Kumar Sinha ◽  
Asha Kiran ◽  
Vivek Kashyap ◽  
Praveen Kumar
Keyword(s):  
Severe Acute Malnutrition ◽  
Average Length ◽  
Nutrition Intervention ◽  
Acute Malnutrition ◽  
Treatment Center ◽  
Medical Complication ◽  
Average Weight ◽  
Post Discharge ◽  
Target Weight ◽  
Intervention Measures

Background: Children with severe acute malnutrition (SAM) having medical complications require immediate care at malnutrition treatment centers (MTC). Thus, it becomes important to assess the effect and treatment cost of such children in these facilities. Hence, the present study was done with these aims in two MTCs in Jharkhand, India.Methods: A retrospective record review was done of the children admitted to these two MTCs between 1st April 2017 and 31st March 2018. A predesigned proforma was used to collect child related information. The data collected was entered in Microsoft excel sheet and analysed.Results: Majority of the admitted children (90.6%) were in 6-23 months age group. 358 (51.5%) children were females. Only, 194 (27.9%) children admitted were SAM had any medical complication. 690 (99.3%) children were discharged of whom 499 (72.3%) were discharged after achieving the target weight. The average weight gain during their stay was 8.1±2.4 g/kg/day and average length of stay was 16.7±3.2 days. Post discharge follow up rates were found to be low and only 130 (18.8%) children completed all three follow ups. Average cost per SAM child treated was Rs. 18,599 (US$ 272) and per SAM child cured was Rs. 25,904 (US$ 379).Conclusions: MTCs are effective in managing medically complicated SAM children. However, improvements are necessary to ensure that more such children should be treated at facility level, complimented with a community based programme for managing uncomplicated SAM children to improve coverage and ensure continuum of care.

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