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2022 ◽  
Vol 13 (1) ◽  
pp. 1-17
Ankit Kumar ◽  
Abhishek Kumar ◽  
Ali Kashif Bashir ◽  
Mamoon Rashid ◽  
V. D. Ambeth Kumar ◽  

Detection of outliers or anomalies is one of the vital issues in pattern-driven data mining. Outlier detection detects the inconsistent behavior of individual objects. It is an important sector in the data mining field with several different applications such as detecting credit card fraud, hacking discovery and discovering criminal activities. It is necessary to develop tools used to uncover the critical information established in the extensive data. This paper investigated a novel method for detecting cluster outliers in a multidimensional dataset, capable of identifying the clusters and outliers for datasets containing noise. The proposed method can detect the groups and outliers left by the clustering process, like instant irregular sets of clusters (C) and outliers (O), to boost the results. The results obtained after applying the algorithm to the dataset improved in terms of several parameters. For the comparative analysis, the accurate average value and the recall value parameters are computed. The accurate average value is 74.05% of the existing COID algorithm, and our proposed algorithm has 77.21%. The average recall value is 81.19% and 89.51% of the existing and proposed algorithm, which shows that the proposed work efficiency is better than the existing COID algorithm.

2022 ◽  
Vol 13 (1) ◽  
pp. 250-254
Maftuhatur Rizkiyah Putri ◽  
Almira Disya Salsabil ◽  
I Made Agus Dwipayana ◽  
Widati Fatmaningrum

Introduction: The COVID-19 pandemic has harmed various fields, and people's activities cannot run as usual. Prevention of the transmission of COVID-19 is very important to be applied in everyday life. Washing hands with soap or hand sanitizer is easy and inexpensive prevention to do, but there are still many people who are wrong in practicing it. This needs to be done more counseling and education to the community in order to increase public knowledge about handwashing and hand sanitizer. Method: This research is an analytic study with a research design using a one-group pretest-posttest design. Using 31 respondents from Taro villagers who attended the counseling. Data analysis using Paired Sample T-test and Kolmogorov-Smirnov Test for Normality Test. Result: The average value of knowledge before counseling is 53.8710 while the value after counseling is 82.9677. Paired Sample T-test and obtained a significance value of 0.000 so that a significant difference was found (<0.005) between the values before and after counseling. Conclusion: There is a significant difference in the level of knowledge before and after handwashing and hand sanitizer counseling.

2022 ◽  
Vol 8 (1) ◽  
pp. 230-238
Jessy Viny Reyk ◽  
Marleny Leasa ◽  
Melvie Talakua ◽  
John Rafafy Batlolona

Many new learning models in the 21st century have emerged in improving students' academic skills, one of which is research-based learning (RBL). This pedagogic and constructivist model connects research and learning in improving students' critical thinking skills (CTS). The results of the study show that studies in empowering students' CTS using RBL are still limited. Therefore, exploration and deeper measurement of CTS with the RBL model were carried out through this study. The purpose of this study was to improve students' CTS using the RBL learning model. The results of the ANCOVA test showed that there was an effect of the RBL model in improving students' CTS. Descriptive data also shows that the average value of CTS is 72.70 using RBL, while students who take part in learning using conventional models show an average value of critical thinking skills of 58.30. Thus, RBL can be recommended in increasing the CTS of elementary school students in science learning.

Healthcare ◽  
2022 ◽  
Vol 10 (1) ◽  
pp. 162
Carolina Bologna ◽  
Eduardo Pone

In order to evaluate the efficacy of oral supplementation with 3 g of arginine per day associated with creatine, L-carnitine, aspartic acid, magnesium, selenium and vitamins C and E (Argivit© Aesculapius Farmaceutici) in the prevention and treatment of sarcopenia in patients with COVID-19-related pneumonia, we conducted a parallel randomized study comparing it with standard therapy alone. Forty patients on standard therapy plus supplementation were compared with a control group of 40 patients, all hospitalized at the sub-intensive care unit of the Del Mare Hospital in Naples, with a clinical diagnosis of SARS-CoV-2 infection and COVID-19 pneumonia. Muscle strength was assessed with the handgrip test and muscle ultrasound. Arginine-supplemented patients had an average grip strength of 23.5 at the end of hospitalization compared with 22.5 in the untreated group with less reduction, showing statistical significance (p < 0.001). In the same way, the thickness of the vastus lateralis quadriceps femoris muscle measured at the end of hospitalization showed less reduction on ultrasound, with a higher average value in the group receiving treatment than in the group of patients without supplementation (p < 0.001). Upon discharge there was a 58.40% reduction in ventilation days in patients with arginine supplementation compared with the control group.

2022 ◽  
Vol 53 (3) ◽  
pp. 359-366

Daytime energy balance at the surface in cloudy tropical conditions for Ile-Ife; Nigeria (7°33'N, 4°34'E) is investigated based on a series of micrometeorological measurements performed in October/November of 1998. For the humid environment that it is (mixing ratio, 17 -25 g / kg), magnitudes of the latent heat flux were much larger than the values for the sensible heat. Of the morning hours the average value for the Bowen ratio obtained was 0.36, while for the afternoons it was 0.74. As the soil surface became dried up in the afternoons, magnitudes of both sensible heat and ground heat fluxes were found to be comparable.   Fluctuations in the magnitudes of the terms of the surface energy balance correlated well to the cloud amount, degree of soil wetness, air temperature and humidity. But of all these factors, the variation in the amount of cloudiness appeared most dominant.

Duong Duc Pham ◽  
Jaekyung Song ◽  
Yunwan Jeon ◽  
Ibrahimi Hajar ◽  
Chae Hun Leem

Abstract Context Impact of baseline and alteration of metabolic parameters (MPs), including plasma glucose (PGs) testing, insulin resistance surrogates, and lipid profile and their mutual interactions on the development of type 2 diabetes (T2DM) has not been investigated systematically. Objective To access the association of the past variability (V), past mean (M), and the baseline (B) values of various MPs and their mutual interaction with the risk of T2DM. Design Longitudinal analysis from the Korean Genome and Epidemiology Study. Setting Community-based Participants 3829 non-diabetic participants with completed MPs measurements during three biannually visits were followed up over the next 10 years. Outcomes Incidence of T2DM during the follow up. Results Among predictors, PG concentrations measured during the oral glucose tolerance test were the most prominent T2DM determinants, in which the M of the average value of fasting PG, 1-h, and 2-h PGs had the strongest discriminative power (hazard ratios and 95% CI for an increment of SD: 3.00 (2.5–3.26), AUC: 0.82). The M values of MPs were superior to their B and V values in predicting T2DM, especially among post-load PGs. Various mutual interactions between indices and among MPs were found. The most consistent interactants were the M values of high-density lipoprotein cholesterol and the M and V values of fasting PG. The findings were similar in normal tolerance glucose participants and were confirmed by sensitivity analyses. Conclusion The post-load PGs, past alteration of measurements, and mutual interactions among indices of MPs are important risk factors for T2DM development.

2022 ◽  
Vol 8 (1) ◽  
pp. 209-215
Yusuf Yusuf

The purpose of this research is to improve students' critical thinking skills towards environmental problems through mini-project practicum activities on the concept of understanding public perceptions of environmental problems. This research is descriptive research using a qualitative approach. The subjects in this study were Semester II class E students who took Environmental Science courses in the Even Semesters of the 2019/2020 Academic Year. The instrument used to measure critical thinking skills using indicators developed by Ennis are 1) Elementary, 2) Clarification Basic Support, 3) Inference, 4) Advanced Clarification, 5) Strategies and Tactics. Results The average critical thinking ability of 20 students is in the medium category (average score of 69.54). Of the 20 students, 10% were in the very high category, 30% in the high category, 25% in the medium category, and 35% in the low category. Indicators of students' critical thinking in 5 aspects, each of which has an average value that is in the medium category

Phycology ◽  
2022 ◽  
Vol 2 (1) ◽  
pp. 76-85
Ainoa Morillas-España ◽  
Silvia Villaró ◽  
Martina Ciardi ◽  
Gabriel Acién ◽  
Tomás Lafarga

The microalga S. almeriensis was produced in spring and summer using 80 m2 raceway reactors located inside a greenhouse in Almería, Spain. This microalga was selected because it is a fast-growing and robust strain with potential applications in the production of functional foods and feeds or as a high-value agricultural biostimulant. Overall, the biomass productivity obtained in summer was 24.9 ± 0.9 g·m−2·day−1. This value was higher than that obtained in spring, with an average value of 21.4 ± 1.3 g·m−2·day−1 (p < 0.05). The Fv/Fm value of the cultures at the stationary phase was comparable and around 0.6, which is the optimum of this strain. No major differences in the macromolecular composition of the biomass were observed between seasons, with an average protein, lipid, ash, and carbohydrate content of 37.9, 4.6, 10.8, and 46.7%, respectively. The data reported herein were used to validate a previously described model. The differences between the experimental and the predicted biomass productivities were below 5% in spring and 8% in summer, although a larger dataset is needed to validate the model. Overall, results supported the robustness of the selected strain and its utilisation in different industrial sectors.

Philip Smith ◽  
Eleni Panagiotou

Abstract Biopolymers, like chromatin, are often confined in small volumes. Confinement has a great effect on polymer conformations, including polymer entanglement. Polymer chains and other filamentous structures can be represented by polygonal curves in 3-space. In this manuscript, we examine the topological complexity of polygonal chains in 3-space and in confinement as a function of their length. We model polygonal chains by equilateral random walks in 3-space and by uniform random walks in confinement. For the topological characterization, we use the second Vassiliev measure. This is an integer topological invariant for polygons and a continuous functions over the real numbers, as a function of the chain coordinates for open polygonal chains. For uniform random walks in confined space, we prove that the average value of the Vassiliev measure in the space of configurations increases as $O(n^2)$ with the length of the walks or polygons. We verify this result numerically and our numerical results also show that the mean value of the second Vassiliev measure of equilateral random walks in 3-space increases as $O(n)$. These results reveal the rate at which knotting of open curves and not simply entanglement are affected by confinement.

2022 ◽  
Vol 1 (2) ◽  
pp. 232-239

The goal of this study is to develop persuasive speech skills and confidence in the Indonesian language subject for class IX of SMP Negeri 22 West Jakarta in the 2021/2022 academic year. This is a classroom action research study (CAR). The participants in this study were 34 students in grade IX from SMP Negeri 22 West Jakarta during the academic year 2021/2022. This study was classified into four stages: (1) preparation, (2) implementation, (3) observation, and (4) reflection. The study was divided into three (three) cycles: cycle I, cycle II, and cycle III. The findings of this study show that self-confidence has an impact on Indonesian students' learning outcomes, particularly their capacity to deliver compelling speeches in class IX at SMP Negeri 22 during the 2021/2022 academic year. The average value of 58.69 was calculated from the results of the first cycle analysis, with a degree of completeness of 70%. The average value was 74.59 in the second cycle, with an 84.29 percent completion rate. This indicates that students have not yet attained full mastery of their subject matter. Cycle III saw a rise, with an average value of 83.99 or already being included in very good criteria with a percentage of completion of 90.67 percent.This demonstrates that the average value and percentage of mastery learning scores increased in cycle III, and this research is completed in cycle III because these 3 (three) criteria matched the criteria for completeness. ABSTRAKPenelitian ini bertujuan untuk meningkatkan hasil belajar kemampuan berpidato persuasif dengan tingkat percaya diri pada mata pelajaran bahasa Indonesia untuk kelas IX SMP Negeri 22 Jakarta Barat tahun pelajaran 2021/2022. Penelitian ini merupakan penelitian tindakan kelas (PTK). Subjek dalam penelitian ini yaitu siswa kelas IX SMP Negeri 22 Jakarta Barat tahun ajaran 2021/2022 berjumlah 34 siswa. Prosedur penelitian ini dilakukan melalui empat tahapan yaitu: (1) perencanaan, (2) pelaksanaan, (3) pengamatan dan (4) refleksi. Penelitian ini dilaksanakan melalui 3 (tiga) siklus terdiri dari siklus I dan siklus II. Hasil penelitian ini menunjukkan bahwa tingkat percaya diri berpengaruh terhadap hasil belajar bahasa Indonesia khususnya kemampuan berpidato persuasif pada siswa kelas IX SMP Negeri 22 tahun ajaran 2021/2022. Dari hasil análisis siklus I diperoleh nilai rata-rata 58,69 dengan persentase ketuntasan 70%. Pada siklus II diperoleh nilai rata-rata adalah 74,59 dengan persentase ketuntasan 84,29%. Hal ini menunjukkan bahwa siswa belum sepenuhnya mencapai ketuntasan belajar. Pada siklus III, ada peningkatan, peningkatan untuk siklus III dengan nilai rata-rata 83,99 atau sudah termasuk kriteria sangat baik dengan persentase ketuntasan mencapai 90,67%. Hal ini menunjukkan bahwa adanya peningkatan nilai rata-rata dan presentase nilai ketuntasan belajar pada siklus III, karena 3 (tiga) kriteria ini sudah memenuhi kriteria ketuntasan maka penelitian ini diselesaikan di siklus III.

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