• Title/Summary/Keyword: statistical data analysis

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The Impacts of Education Service Quality in the Traditional Market Merchant College on Business Performance (전통시장 상인대학 교육서비스 품질이 경영성과에 미치는 영향)

  • Choi, Dong-Gyu;Hwang, Hee-Jung;Song, In-Am
    • Journal of Distribution Science
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    • v.11 no.10
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    • pp.81-92
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    • 2013
  • Purpose - This study empirically analyzes the effect of improvements in the quality of service management performance of college education on traders' conscious change of business management innovation and diverse sales expertise for a year. The use of traders' conscious changes and sales expertise as variables for the verification of the effects of parameters related to the active trader's traditional education market is a desirable direction. The method of research reflects the quality of education service, management result, traders' conscious changes, and sales expertise to understand the precise essence and definition of teaching quality at merchant colleges through theoretical consideration. Moreover, its impact on traders' conscious changes and sales expertise in empirical analysis acts as an intermediary. Research design, data, methodology - The hypothesis of this study leverages the SPSS statistical program. To gather actual proof, sample survey for theoretical research examined 262 valid papers of the 300 papers written by 10 merchants who graduated from merchant's university. First, using the SERVQUAL model, Parasuraman et al. (1996) indicated that for quality of education service, the configuration of factors is the same as the sympathetic performance, that is, responsiveness and empathy, and traders are aware of these elements. However, our preliminary investigation revealed that traders' university education has been excluded as a component of quality of service in the earlier studies. Moreover, we found that certainty of knowledge, reliability, and sympathy are influenced by challenges and by the changing intentions of merchant consciousness. In addition, our study confirms that improvements in convincing abilities and sales technique have a positive impact. Second, merchants' and traders' expertise are proven to affect business performance. In other words, university education of traders and merchants affects the consciousness of consumers, and changes patterns of sales. Third, the quality of service management education and change in the consciousness has a considerable impact on the trader, thereby maximizing business performance and acting as an intermediary for verification. Fourth, the quality of service management education affects the trader's sales expertise to maximize business performance. Results - To summarize, the quality of college educational services relates to the improvement of business performance and the role of the resulting virtuous cycle. Consequently, we can look for suggestions in the traditional markets, where the Government pays attention to the exterior environmental factors as well as to the changing business environment. However, the most important aspect is the merchant awareness. That is, a merchant should understand the distribution environment. Several competitor and trend analyses should be conducted to meet customers' expectations positively and proactively cope with any challenges related to changes. Further, expertise in sales and marketing skills need to be acquired to improve customer convincing abilities and develop a customer-oriented mindset. Conclusions - According to the changes in consumption trends of business enterprises, new management techniques are required to survive competition by improving traditional markets, which will necessitate more competitive education programs in merchant universities.

The Effect of Breed, Parity, Litter Size, Lactating Period, and Estrus Interval on Sow Productivity Traits in Swine (모돈의 생산능력에 미치는 품종, 산차, 산자수, 포유기간 및 발정재귀일령의 효과)

  • 연정웅
    • Korean Journal of Animal Reproduction
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    • v.25 no.3
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    • pp.251-257
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    • 2001
  • This study was carried out to investigate the effect of breed, parity, litter size, lactating period, and estrus interval on sow productivity traits in swine. Data from 492 heads of Landrace, Yorkshire or crossbred sow which were raised at Yonam College of Agriculture from March, 1998 to July, 2000 were analyzed for this study. The total number of pigs born (TN), the number of pigs born alive (NB), and the number of pigs suckled (NS) were greater in the crossbred sows than in the purebred. In TN and NB, the 3rd to 7th parities were greater than other parities, and the 8th parity was the lowest. The number of pigs stillbirthed (NSB) and the number of runt per litter tended to increase with the increase of TN. In addition, statistical analysis showed that parity had significant effect on most of traits. The current TN had highly significant effect on TN, NB and NS of the next parity As current TN increased, TN, NB, and NS of the next parity increased. The current lactating period also affected significantly for TN, NB, and NS of the next parity The sows which had the lactating period of 20∼21 days produced the greatest TN and NB in the next parity. Weaning to estrus interval(WEI) had significant effect on TN, NB, and NSB. Among WEI groups, the WEI group of 7∼13 days was the lowest in TN, NB and NSB.

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Biochemical changes and drug residues in ascidian Halocynthia roretzi after formalin-hydrogen peroxide treatment regimen designed against soft tunic syndrome

  • Lee, Ji-Hoon;Kim, Ju-Wan;Shin, Yun-Kyung;Park, Kyung-Il;Park, Kwan Ha
    • Fisheries and Aquatic Sciences
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    • v.20 no.7
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    • pp.12.1-12.7
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    • 2017
  • Soft tunic syndrome (STS) is a protozoal disease caused by Azumiobodo hoyamushi in the edible ascidian Halocynthia roretzi. Previous studies have proven that combined formalin-hydrogen peroxide ($H_2O_2$) bath is effective in reducing STS progress and mortality. To secure target animal safety for field applications, toxicity of the treatment needs to be evaluated. Healthy ascidians were bathed for 1 week, 1 h a day at various bathing concentrations. Bathing with 5- and 10-fold optimum concentration caused 100% mortality of ascidians, whereas mortality by 0.5- to 2.0-fold solutions was not different from that of control. Of the oxidative damage parameters, MDA levels did not change after 0.5- and 1.0-fold bathing. However, free radical scavenging ability and reducing power were significantly decreased even with the lower-than-optimal 0.5-fold concentration. Glycogen content tended to increase with 1-fold bathing without statistical significance. All changes induced by the 2-fold bathing were completely or partially restored to control levels 48 h post-bathing. Free amino acid analysis revealed a concentration-dependent decline in aspartic acid and cysteine levels. In contrast, alanine and valine levels increased after the 2-fold bath treatment. These data indicate that the currently established effective disinfectant regimen against the parasitic pathogen is generally safe, and the biochemical changes observed are transient, lasting approximately 48 h at most. Low levels of formalin and $H_2O_2$ were detectable 1 h post-bathing; however, the compounds were completely undetectable after 48 h of bathing. Formalin-$H_2O_2$ bathing is effective against STS; however, reasonable care is required in the treatment to avoid unwanted toxicity. Drug residues do not present a concern for consumer safety.

Correlation between the 2-Dimensional Extent of Orbital Defects and the 3-Dimensional Volume of Herniated Orbital Content in Patients with Isolated Orbital Wall Fractures

  • Cha, Jong Hyun;Moon, Myeong Ho;Lee, Yong Hae;Koh, In Chang;Kim, Kyu Nam;Kim, Chang Gyun;Kim, Hoon
    • Archives of Plastic Surgery
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    • v.44 no.1
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    • pp.26-33
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    • 2017
  • Background The purpose of this study was to assess the correlation between the 2-dimensional (2D) extent of orbital defects and the 3-dimensional (3D) volume of herniated orbital content in patients with an orbital wall fracture. Methods This retrospective study was based on the medical records and radiologic data of 60 patients from January 2014 to June 2016 for a unilateral isolated orbital wall fracture. They were classified into 2 groups depending on whether the fracture involved the inferior wall (group I, n=30) or the medial wall (group M, n=30). The 2D area of the orbital defect was calculated using the conventional formula. The 2D extent of the orbital defect and the 3D volume of herniated orbital content were measured with 3D image processing software. Statistical analysis was performed to evaluate the correlations between the 2D and 3D parameters. Results Varying degrees of positive correlation were found between the 2D extent of the orbital defects and the 3D herniated orbital volume in both groups (Pearson correlation coefficient, 0.568-0.788; $R^2=32.2%-62.1%$). Conclusions Both the calculated and measured 2D extent of the orbital defects showed a positive correlation with the 3D herniated orbital volume in orbital wall fractures. However, a relatively large volume of herniation (>$0.9cm^3$) occurred not infrequently despite the presence of a small orbital defect (<$1.9cm^2$). Therefore, estimating the 3D volume of the herniated content in addition to the 2D orbital defect would be helpful for determining whether surgery is indicated and ensuring adequate surgical outcomes.

A study on entertainment TV show ratings and the number of episodes prediction (국내 예능 시청률과 회차 예측 및 영향요인 분석)

  • Kim, Milim;Lim, Soyeon;Jang, Chohee;Song, Jongwoo
    • The Korean Journal of Applied Statistics
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    • v.30 no.6
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    • pp.809-825
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    • 2017
  • The number of TV entertainment shows is increasing. Competition among programs in the entertainment market is intensifying since cable channels air many entertainment TV shows. There is now a need for research on program ratings and the number of episodes. This study presents predictive models for entertainment TV show ratings and number of episodes. We use various data mining techniques such as linear regression, logistic regression, LASSO, random forests, gradient boosting, and support vector machine. The analysis results show that the average program ratings before the first broadcast is affected by broadcasting company, average ratings of the previous season, starting year and number of articles. The average program ratings after the first broadcast is influenced by the rating of the first broadcast, broadcasting company and program type. We also found that the predicted average ratings, starting year, type and broadcasting company are important variables in predicting of the number of episodes.

A Biomechanical Analysis of Four Different Taekwondo Body Punch Types in Horseback-Riding Stance (태권도 주춤 서 몸통지르기 유형별 생체역학적 변인 비교 분석)

  • Kang, Sung-Chul;Kim, Eui-Hwan;Shin, Hyun-Moo;Kim, Sung-Sup;Kim, Tae-Whan
    • Korean Journal of Applied Biomechanics
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    • v.17 no.4
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    • pp.201-208
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    • 2007
  • The purpose of this study is to compare 4 different body punch types(type 1: a punch using a shoulder, type 2: a punch using a waist, type 3: a punch using lower extremities, and type 4: a punch with elbows by your side at chest level) in horseback-riding stance and establish suitable teaching theory and method, which would be a useful reference to Taekwondo instructors on the spot(in Taekwondo dojangs all around Korea). Five exhibition players from Korean national Taekwondo exhibition team participated in this study. Each participant was asked to perform the four different types of punches and their kinematic and kinetic data were recorded with 7 vicon cameras(125Hz) and two force plates(AMTI, 1200Hz). We analyzed displacement, time, resultant center of body mass trajectory, velocity, trunk angular velocity, and ground reaction force(GRF) from each body segment in body punch and the result. I performed 1-way ANOVA(RM) for average values of each player after standardization and statistical significance was set as p<.05. was as the following ; First, they showed a tendency to take the body punch posture with the biggest motion at a shoulder and on descending order a waist and a knee. Second, a mean time for each body punch on ascending order 0.46sec. for type 2, 0.49sec for type 3, 0.50sec. for type 4, and 0.56sec. for type 1. Third, a mean resultant center of body mass trajectory for each body punch the longest 4.07cm for type 3 and the shortest 2.458cm for type 1. Fourth, a mean of maximal velocity of a fist strike was the fastest 5.99m/s for type 3, 5.93m/s for type 4, 5.67m/s for type 2, and 5.01m/s for type 1 on the descending order. Fifth, a mean of maximal trunk angular velocity of the fastest 495.6deg./sec. for type 4 and 337.7deg./sec. for type 1 on the descending order. Sixth, strongest value was type 3, 2 for anterior-posterior ground reaction force(left -54.89N, right 60.58N), type 4 for medial-lateral GRF(left 83.59N, right -80.12N), and type 3 for vertical GRF(left 341.79N, right 426.11N).

Statistical Study in 70 Cases for Dizziness Patients on the Effect of Jaeumgeonbi-tang Gamibang (자음건비탕가미방(滋陰健脾湯加味方)을 투여한 어지럼증 환자 70례에 대한 분석 및 고찰)

  • Lee, Jae-Hwi;Shin, Hyun-Su;Kim, Dong-Hyun;Jo, Chang-Hwan;Lim, Seung-Min;An, Joung-Jo;Jo, Hyun-Kyung;Kim, Yoon-Sik;Seol, In-Chan;Yoo, Ho-Rhyong
    • Journal of Physiology & Pathology in Korean Medicine
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    • v.24 no.1
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    • pp.171-176
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    • 2010
  • Jaeumgeonbi-tang Gamibang is noted as effective method to treat a dizziness in Korean Medicine. The main purpose of this research is analysis of the effects of Jaeumgeonbi-tang Gamibang on dizziness patients. In following research, 70 cases of dizziness patients who treated in Daejeon oriental medicine hospital from Oct, 2004 to Feb, 2009 were researched. The research is focused on clinical efficacy of Jaeumgeonbi-tang Gamibang. This research measured DHI and VAS before Jaeumgeonbi-tang Gamibang were prescribed. And Jaeumgeonbi-tang Gamibang were treated to all 70 patients. Finally DHI and VAS were measured again. Before this research, We had characterized and searched such as age, prevalence period, prescribed dosage, sex, vertigo type, pathological history in 70 patients. And DHI and VAS score were compared each other. The compared characteristic data shows that every cases were effective, in the DHI and VAS comparison, between pre-treatment and post-treatment group, vertigo and dizziness group, man and woman group. but In the age case, some age group were not effective. Conclusion: Most cases, we gained effective results. These result suggest that Jaeumgeonbi-tang might be effective in treatment of dizziness patients although man or woman, vertigo or dizziness.

Risk Factors of Work-related Low Back Pain in Manufacturing Workers (제조업 근로자들의 작업과 연관된 요통의 위험요인에 관한 연구)

  • Kim, D.H.;Shin, H.R.;Chun, J.H.;Kim, Y.W.;Kim, J.H.;Lee, C.U.
    • Journal of Preventive Medicine and Public Health
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    • v.26 no.1 s.41
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    • pp.20-36
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    • 1993
  • Work-related low back pain is one of the major factors that cause the loss of working power especially in actively working age, therefore controlling the work-related low back pain is one of the major issues in the field of industrial safety and health. This study was performed for detecting the risk factors and proposing the efficient control program of the work-related low back pain. The subjects were male workers employed at the manufacturing industry in Pusan with longer than 6 months' working duration. The data was collected by self-reported questionnaire and interview from May 1 to October 31,1992. The contents of questionnaire were as follows:. the experience of low back pain within the recent one month, general characteristics(age, marital status, education level, religion, regular exercise), physical characteristics(height, weight), employment status(working duration, daily working hours, rest during work, satis(action fur the job), type of work and working environments(posture, forward bending, lifting and movement, satisfaction for table and chair). The result was analyzed for 608 entire respondents by case-control comparative method. The number of cases was 152 with a history of work-related low back pain, so the relative frequency of self-reported work-related low back pain was 25.0%, and the number of controls was 344 without any history of low back pain. As a result, two characteristics of the employment status(working duration, satisfaction fur the job) and all characteristics of type of work and working environments showed a statistical significance between the case and control groups(p<0.01). The Oddb ratios of these variables for Work-related low back pain were calculated. They were 7.88 for the satisfaction fur chair, 7.86 for lifting and movement,3.31 for satisfaction for table, and 2.22 fur bending forward(p<0.01). And for the multivariate logistic regression analysis confirmed that unsatisfaction for table was independent risk factor for Work-related low back pain. In summary, though this study was based upon the self-reported questionnaire and the subjective complaints, the satisfaction for chair, lifting and movement, satisfaction for table, and bending forward concerned with the type of work and working environments were considered as the main factors causing the work-related low back pain, and the work-related low back pain may be preventable by the ergonomic control of these factors.

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Association between Myofascial Pain Syndrome and the Assessment of Pain and the related Function tests in female telephone directory assistance operators using VDT (VDT 사용 여성 전화교환원들의 근막동통증후군과 동통 및 기능평가 검사와의 관련성)

  • Roh, Sang-Chul;Lee, Soo-Jin;Song, Jae-Cheol;Park, Hung-Bae
    • Journal of Preventive Medicine and Public Health
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    • v.30 no.4 s.59
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    • pp.779-790
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    • 1997
  • The Association between myofascial pain syndrome and some tests was assessed in a cross-sectional study of 904 female telephone operators using video display terminals(VDTs). 105 cases were diagnosed as Myofascial pain syndrome with symptom questionnaire, laboratory examination and physician's physical examination and 550 controls were defined to show only musculoskeletal symptoms using NIOSH symptom criteria. Data on demographics, musculoskeletal symptom and visual analogue scale(VAS) were obtained by questionnaire. Anthropometric measurements, pressure pain threshold, Grip & Pinch strength and laboratory test were conducted. No significant difference between case and control at comparing of demographics, occupational history and body measurements were observed. But, Grip strength, pressure pain threshold and VAS showed the statistical difference between case and controt. Age, pressure pain threshold of Rt. Upper trapezius and VAS were associated with myofascial pain syndrome in multivariate logistic regression analysis. This results suggest that, to diagnose of myofascial pain syndrome, the consideration of the objective aspects among patients' subjective symptom complaints through the VAS and pressure pain threshold is required.

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Revenue and Expenditure by Alternative Integration Proposals of the Medical Insurance Society for Self-Employed (지역의료보험조합의 통합대안별 재정수지 비교)

  • Park, Jae-Yong;Beh, Sung-Kweun;Kam, Sin
    • Health Policy and Management
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    • v.5 no.1
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    • pp.80-105
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    • 1995
  • Assuming that we introduced integration of medical insurance society for self-employed, this study was conducted to examine effects and results after the integration and to research more effective method for integration. To assess effects and results of the finacial status of 266 insurance societies after intergration, the data were obtained from "The Medical Insurance Program for Self-Employeds Statistical Yearbook in 1992". The major finding are as follows : 1. Three alternative integration proposals were made. First alternative proposal was consisted of 232 medical insurance societies, second was 187, and third was 115. 2. As the results of average number of the insured per insurance societies of medical insurance program for self-employed every alternative proposal, first was 88, 119 persons, second was 108, 576, and third was 178, 967 from 76, 576 persons of present socienties. 3. It was true that the more average size of societies increased, the more average administration expenditure per 1, 000 insured reduced. 4. The average size of societies grew bigger, the rate of general expenditure to general revenue more improved. Also, the rate of benefits to contributions was changed for better. But if not to have had correct analysis and precise preparation for integration, effects and results of integration were always not optiized. 5. According to results of simple regression formulas, it was proved that the more the average size of societies was increased, the more result was advantaged. 6. The law of majority and the economy of scale were applied in this study, and it was necessary to analyze and assess effectiveness and efficiency of integration. Therefore, when the integration of medical insurance societies for self-employeds will be performed, it must be taken into consideration. Among three alternative proposals, third was showed more effective alternative than anothe, second was presented more ineffective result than present system. To achieve more effective and efficient integration of regional medical insurance societies throughout the result of the regression formula on present cost curve, it is necessary to operate well-integrated societies and to know appropriative countermeasures of present situation of each societies. Also, for integrating regional medical insurance societies, it is necessary to continue more deep research through practical model activity and to investigate the effective size and managed method of the societies.societies.

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