Zobrazeno 1 - 10
of 27
pro vyhledávání: '"Jeong Hyeong Lee"'
Autor:
Sung-Ho Moon, Jeong-Hyeong Lee
Publikováno v:
Journal of Digital Convergence. 12:155-160
When we collect marketing data, we can only obtain the bimonthly or quarterly data but the monthly data be available. If we evaluate or predict monthly market condition or establish monthly marketing strategies, we need to disaggregate these bimonthl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f08795413f09cc409a41f055ec87819e
https://doi.org/10.14400/jdc.2014.12.6.155
https://doi.org/10.14400/jdc.2014.12.6.155
Autor:
Jeong-Hyeong Lee, Sang-Wan Lee
Publikováno v:
The Journal of Digital Policy and Management. 12:209-219
In this study, questionnaires and field interviews in practice the use of PMS, in assessing companies' usage and employee's perceived importance of performance measures for the characteristics of PMS was investigated. The results of this study can be
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9e3bf011263853ed2dcccbc51bb1ea07
https://doi.org/10.14400/jdpm.2014.12.1.209
https://doi.org/10.14400/jdpm.2014.12.1.209
Publikováno v:
Advances in Atmospheric Sciences. 26:327-332
The objective of this study is to improve the statistical modeling for the ternary forecast of heavy snowfall in the Honam area in Korea. The ternary forecast of heavy snowfall consists of one of three values, 0 for less than 50 mm, 1 for an advisory
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::85353ae814e946ab920174cf64315f36
https://doi.org/10.1007/s00376-009-0327-2
https://doi.org/10.1007/s00376-009-0327-2
Autor:
Seul Jung, Jeong-Hyeong Lee
Publikováno v:
Journal of Institute of Control, Robotics and Systems. 15:132-138
In this paper, control of an omni-directional mobile robot is presented. Relying on encoder measurements to define the azimuth angle yields the dead-reckoned situation which the robot fails in localization. The azimuth angle error due to dead-reckoni
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::19539b0abf3b27f741bd2a7d228ec502
https://doi.org/10.5302/j.icros.2009.15.2.132
https://doi.org/10.5302/j.icros.2009.15.2.132
Publikováno v:
Korean Journal of Applied Statistics. 21:705-716
The objectives of this study are the detection and forecast of climate change signal in the annual mean of surface temperature data, which are generated by MRI/JMA CGCM over the Korean Peninsula. MRI/JMA CGCM outputs consist of control run data(exper
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::50fc7b4cecb8c464341d8c06d2e3e73e
https://doi.org/10.5351/kjas.2008.21.4.705
https://doi.org/10.5351/kjas.2008.21.4.705
Autor:
Jeong-Hyeong Lee, Keon Tae Sohn
Publikováno v:
Advances in Atmospheric Sciences. 24:503-508
In conventional time series analysis, a process is often modeled as three additive components: linear trend, seasonal effect, and random noise. In this paper, we perform an analysis of surface air temperature in a region of China using a decompositio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5c68d02be9e67776192c361c04f1a227
https://doi.org/10.1007/s00376-007-0503-1
https://doi.org/10.1007/s00376-007-0503-1
Publikováno v:
Advances in Atmospheric Sciences. 22:703-710
This study is aimed at the development of a statistical model for forecasting heavy rain in South Korea. For the 3-hour weather forecast system, the 10 km× 10 km area-mean amount of rainfall at 6 stations (Seoul, Daejeon, Gangreung, Gwangju, Busan,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e351b1cdc56b58563ba35ab93e3440dd
https://doi.org/10.1007/bf02918713
https://doi.org/10.1007/bf02918713
Publikováno v:
The Canadian Journal of Psychiatry. 50:407-414
Objective: To investigate the psychiatric symptomatology and personality characteristics of Korean senior high school students considered to use the Internet to excess. Method: We administered a questionnaire packet to students that included 4 measur
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e34f65362a5bbfd905601efd95f927be
https://doi.org/10.1177/070674370505000704
https://doi.org/10.1177/070674370505000704
Publikováno v:
Advances in Atmospheric Sciences. 22:159-171
Climate change detection, attribution, and prediction were studied for the surface temperature in the Northeast Asian region using NCEP/NCAR reanalysis data and three coupled-model simulations from ECHAM4/OPYC3, HadCM3, and CCCma GCMs (Canadian Centr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::758fdfd8b08756092b5508f475589cde
https://doi.org/10.1007/bf02918506
https://doi.org/10.1007/bf02918506
Autor:
Sinsup Cho, Jeong Hyeong Lee
Publikováno v:
Asian Journal on Quality. 3:1-11
On control chart, one may use regression, cusum and exponential smoothing methods to detect any change in the trend of the process. When the data is observed with equally spaced time interval we show how to obtain the estimates of the trend for each
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::89d797f71b770443c3d1c5544e21df53
https://doi.org/10.1108/15982688200200001
https://doi.org/10.1108/15982688200200001