• Title/Summary/Keyword: test function

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Application of Weibull Distribution Function to Analysis of Breakthrough Curves from Push Pull Tracer Test

  • Hyun-Tae, Hwang;Lee, Kang-Kun
    • Proceedings of the Korean Society of Soil and Groundwater Environment Conference
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    • 2003.04a
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    • pp.217-220
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    • 2003
  • In the case of the remediation studies, push pull test is a more time and cost effective mettled than multi-well tracer test. It also gives Just as much or more information than the traditionally used methods. But the data analysis for the hydraulic parameters, there have been some defections such as underestimation of dispersivity, requirement for effective porosity, and calculation of recovery of center of mass to estimate linear velocity. In this research, Weibull distribution function is proposed to estimate the center of mass of breakthrough curve for Push pull test. The hydraulic parameter estimation using Weibull function showed more exact values of center of mass than those of exponential regression for field test data.

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Effects of Occupational Therapeutic Craft Activity on improvement cognitive function and hand function in acute patients with stroke (수공예 작업치료 프로그램 활동이 급성기 뇌졸중 환자의 손 기능에 미치는 효과)

  • Jang, Tae-Yong;Park, Bo-Ra;Yang, Yeong-Ae
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.18 no.5
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    • pp.355-365
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    • 2017
  • This study investigatedwhether occupational therapeutic craft activity improves cognitive function and hand function in patients with acute stroke, with the hope of providing clinically useful results for further studies. From March 2016 to November 2016, thirty acute patients with stroke at A general hospital and B rehabilitation hospital in Seoul and Gyeonggi-do, Korea were enrolled and randomly divided into two groups. One group was treated with occupational therapeutic craft activity,and the other general exercise. The subjects performed each activity for 30 minutestwice weekly, for four weeks. To test the effect of intervention, hand function was tested with the Box & Block Test and the Jebsen-Taylor Hand Function Test.Cognitive function measures were the NCSE and Trail-Making Test. Over the four weeks of treatment activities, in the occupational therapeutic craft activity group, hand function measures(p<.05) increased significantly,as did cognitive function measures(p<.05). This study shows that occupational therapeutic craft activity improves hand function and cognitive function effectively in patients with acute stroke. Occupational therapeutic craft activity programscan be based on this study to prepare intervention programs for further studies with acute stroke patients.

Fuzzy Test for the Fuzzy Regression Coefficient (퍼지회귀계수에 관한 퍼지검정)

  • 강만기;정지영;최규탁
    • Proceedings of the Korean Institute of Intelligent Systems Conference
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    • 2001.05a
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    • pp.29-33
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    • 2001
  • We propose fuzzy least-squares regression analysis by few error term data and test the slop by fuzzy hypotheses membership function for fuzzy number data with agreement index. Finding the agreement index by area for fuzzy hypotheses membership function and membership function of confidence interval, we obtain the results to acceptance or reject for the test of fuzzy hypotheses.

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Hypothesis Testing for New Scores in a Linear Model

  • Park, Young-Hun
    • Communications for Statistical Applications and Methods
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    • v.10 no.3
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    • pp.1007-1015
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    • 2003
  • In this paper we introduced a new score generating function for the rank dispersion function in a general linear model. Based on the new score function, we derived the null asymptotic theory of the rank-based hypothesis testing in a linear model. In essence we showed that several rank test statistics, which are primarily focused on our new score generating function and new dispersion function, are mainly distribution free and asymptotically converges to a chi-square distribution.

A Retrospective Analysis of Liver Function Test in Cancer Patients Taking Rhus Verniciflua STOKES Decoction(Chijongtang) with Anti-cancer Drugs (항암제와 함께 옻나무 전탕추출물(치종탕)을 복용한 암환자의 간기능 검사에 대한 후향적 조사)

  • Yoon, Jong-Hoon;Kim, Jeong-Hyeon;Kim, Bo-Geun;Park, Sang-Chae
    • Journal of Korean Traditional Oncology
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    • v.16 no.2
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    • pp.19-23
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    • 2011
  • Objectives : The aim of this study was to evaluate safety of Rhus Verniciflua STOKES as a combination therapy of Oriental and conventional cancer treatment. So, We investigated liver function test(especially total bilirubin, AST, ALT, and ALP) levels in outpatients at an oriental medical clinic, to know whether Rhus Verniciflua STOKES decotion (Chijongtang) was hepatotoxic. The outpatients were treated with Rhus Verniciflua STOKES decotion(Chijongtang) during intravenous or oral chemotherapy. Methods : We surveyed whether Chijongtang caused liver injury in patients, who visited and took Chijongtang at Hana oriental medical clinic, from March, 2008 to November 2011. We looked over all the liver function tests of those patients, done during medication. Patients who had no records of liver function tests or with basal liver disease were excluded. And patients were classified into normal and abnormal liver function groups. Results and Conclusions : 48 patients were enrolled, and their mean dosage was 300ml/day, and the mean medication period was 9.3 (2-42) months. During and after medication, there were no abnormal liver function test results at all, in the normal liver function group. and 10 out of 11 patients in the abnormal liver function group showed normal liver function test levels. Roughly speaking, according to the above results, it seems that taking Chijongtang did not cause hepatotoxicity. And it seems Chijongtang has hepatoprotective effect. But we still need more laboratory and clinical research to reach a more definitive conclusion.

Effects of a Bilateral upper Limb Training Program Using a Visual Feedback Method on Individuals with Chronic Stroke: A Pilot Clinical Trial

  • Kang, Dongheon;Park, Jiyoung;Choi, Chisun;Eun, Seon-Deok
    • International Journal of Contents
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    • v.17 no.2
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    • pp.20-31
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    • 2021
  • This study aimed to pilot test a newly developed bilateral upper limb rehabilitation training program for improving the upper limb function of individuals with chronic stroke using a visual feedback method. The double-group pretest-posttest design pilot study included 10 individuals with chronic stroke (age >50 years). The intervention (four weekly meetings) consisted of five upper limb training protocols (wrist extension; forearm supination and pronation; elbow extension and shoulder flexion; weight-bearing shift; and shoulder, elbow, and wrist complex movements). Upper limb movement function recovery was assessed with the FuglMeyer Assessment of the Upper Extremity, the Wolf Motor Function Test, the Trunk Control Test, the modified Ashworth Scale, and the visual analog scale at baseline, immediately after, and four weeks after the intervention. The Fatigue Severity Scale was also employed. The Fugl-Meyer Assessment of the Upper Extremity and Wolf Motor Function Test showed significant improvement in upper limb motor function. The Trunk Control Test results increased slightly, and the modified Ashworth Scale decreased slightly, without statistical significance. The visual analog scale scores showed a significant decrease and the Fatigue Severity Scale scores were moderate or low. The bilateral upper limb training program using the visual feedback method could result in slight upper limb function improvements in individuals with chronic stroke.

Effects of Mat Pilates Exercise on Lower Extremity Function, Postural Balance, and Walking in the Older Women with Total Knee Arthroplasty

  • Wonjae Choi
    • Physical Therapy Rehabilitation Science
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    • v.11 no.4
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    • pp.517-525
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    • 2022
  • Objective: The rehabilitation protocols for functional recovery have been emphasized after total knee arthroplasty, and Pilates is in the spotlight as a safe and easily modified exercise method. The purpose of this study was to investigate the effects of mat Pilates exercise on lower extremity function, postural balance, and walking in the individuals with total knee arthroplasty. Design: One group pretest-posttest design. Methods: Eighteen older women with unilateral total knee arthroplasty was recruited in the study. The subjects were evaluated on lower extremity function, postural balance, and walking before and after mat Pilates exercise. All subject performed one hour mat Pilates exercise, 3 times a week for 8 weeks. Mat Pilates exercises were focused on core stability and lower extremity strengthening and, more dynamic movements were added to increase the difficulty of movements every two weeks. The lower extremity function was measured using the Western Ontario and McMaster Osteoarthritis Index (WOMAC), knee joint position sense, and five times sit-to-stand test. Postural balance was assessed by single leg stance test, functional reach test, and timed up and go test. Walking was measured by OptoGait system to temporospatial parameter. Results: The lower extremity function, postural balance, and walking were significantly improved after mat Pilates exercise, except for five times sit-to-stand test (p<0.05). Conclusions: This study demonstrated that the mat Pilates exercise was a useful method to improve lower extremity function, postural balance, and walking in the older women with unilateral total knee arthroplasty.

Kullback-Leibler Information of the Equilibrium Distribution Function and its Application to Goodness of Fit Test

  • Park, Sangun;Choi, Dongseok;Jung, Sangah
    • Communications for Statistical Applications and Methods
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    • v.21 no.2
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    • pp.125-134
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    • 2014
  • Kullback-Leibler (KL) information is a measure of discrepancy between two probability density functions. However, several nonparametric density function estimators have been considered in estimating KL information because KL information is not well-defined on the empirical distribution function. In this paper, we consider the KL information of the equilibrium distribution function, which is well defined on the empirical distribution function (EDF), and propose an EDF-based goodness of fit test statistic. We evaluate the performance of the proposed test statistic for an exponential distribution with Monte Carlo simulation. We also extend the discussion to the censored case.

The Effect of Aquatic Exercise on the Improvement of Physical and Pulmonary Function After Stroke (수중재활운동이 뇌졸중 환자의 신체기능과 폐기능에 미치는 영향)

  • Song, Ju-Min;Kim, Su-Min
    • The Journal of Korean Physical Therapy
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    • v.21 no.2
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    • pp.15-22
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    • 2009
  • Purpose: This study examined the effect of aquatic exercise on the improvement in physical and pulmonary function after stroke. Methods: Fourteen candidates, who had experienced stroke, were enrolled in this study. The program was carried out three times weekly, 1 hour per session and for 10 consecutive weeks. At pre-treatment and post-treatment, the subjects were tested with a 10 m and 100 m timed gait test, a timed get up and go test, a functional reach test, the difference in thoracic girth at inspiration and expiration, and breaths per minute. The forced vital capacity (FVC) and forced expiratory volume in one second (FEV1) were measured using a spirometer. Results: After ten weekends of an aquatic exercise program, the subjects showed a significant difference in all the test results except for the FEV1 (p<0.05). Conclusion: Intervention with this aquatic exercise program can improve the physical and pulmonary function in people who have had a stroke.

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A Communication Method Between Distributed Control System and Function Test Facility Using TCP/IP and Shared Memory

  • Kim, Jung-Soo;Jung, Chul-Hwan;Kim, Jung-Taek;Lee, Dong-Young;Ham, Chang-Sik
    • Nuclear Engineering and Technology
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    • v.30 no.4
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    • pp.298-307
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    • 1998
  • In order to design mutual communication between a distributed control system and a function test facility, we used the Inter-Process Communication(IPC) in two systems and Transmission Control Protocol/Internet Protocol(TCP/IP) protocol. The data from the function test facility are put in the shared memory using an IPC, which is then accessed by the distributed control system through an Application Program Interface(API). The server in the function test facility includes two processes(one for sending and one for receiving), which are generated by the fork function from the client signal. The client in the distributed control system includes two separate programs(one for receiving and one for sending).

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