Search Results - "Choi, In"

eBook

Almost All About Unit Roots: Foundations, Developments, and Applications

by Choi, In
30.04.2015

“...Many economic theories depend on the presence or absence of a unit root for their validity, and econometric and statistical theory undergo considerable changes...”

Journal Article

Validation of a Questionnaire to Delineate the Clinical Trial Nursing Roles in Korea

by Choi, In Jung Park, Hye-Ja Published in Cancer nursing (01.05.2018)

“...BACKGROUND:In clinical trials, research nurses play a particularly important role in promoting cancer care best practices. However, no Korean questionnaire has...”

Journal Article

Unit root tests for panel data

by Choi, In Published in Journal of international money and finance (2001)

“...This paper develops unit root tests for panel data. These tests are devised under more general assumptions than the tests previously proposed. First, the...”

Journal Article

Unit Root Tests for Dependent Micropanels

by Choi, In Published in Japanese economic review (Oxford, England) (01.06.2019)

“...This paper proposes a new test for the null hypothesis of panel unit roots for micropanels with short time dimensions (T) and large cross‐sections (N). There...”

Journal Article

EFFICIENT ESTIMATION OF FACTOR MODELS

by Choi, In Published in Econometric theory (01.04.2012)

“...This paper considers the factor model Xt = ΛFt + et. Assuming a normal distribution for the idiosyncratic error et conditional on the factors {Ft}, conditional...”

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Journal Article

Avoiding zero between‐study variance estimates in random‐effects meta‐analysis

by Chung, Yeojin Rabe‐Hesketh, Sophia Choi, In‐Hee Published in Statistics in medicine (15.10.2013)

“...Fixed‐effects meta‐analysis has been criticized because the assumption of homogeneity is often unrealistic and can result in underestimation of parameter...”

Journal Article

Prospective frequency correction using outer volume suppression‐localized navigator for MR spectroscopy and spectroscopic imaging

by Lee, Chu‐Yu Choi, In‐Young Lee, Phil Published in Magnetic resonance in medicine (01.12.2018)

“...Purpose New frequency correction methods are required to achieve the accurate measurement of frequency drifts in MRS and MRSI. We present a prospective...”

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Journal Article

Differencing versus nondifferencing in factor‐based forecasting

by Choi, In Jeong, Hanbat Published in Journal of applied econometrics (Chichester, England) (01.09.2020)

“...Summary This paper studies performance of factor‐based forecasts using differenced and nondifferenced data. Approximate variances of forecasting errors from...”

Journal Article

Directing the Deformation Paths of Soft Metamaterials with Prescribed Asymmetric Units

by Wu, Gaoxiang Cho, Yigil Choi, In‐Suk Ge, Dengteng Li, Ju Han, Heung Nam Lubensky, Tom Yang, Shu Published in Advanced materials (Weinheim) (06.05.2015)

“...By prescribing asymmetric ligaments with different arrangements in elastomeric porous membranes of pre‐twisted kagome lattices, the buckling instability is...”

Journal Article

Imaging based magnetic resonance spectroscopy (MRS) localization for quantitative neurochemical analysis and cerebral metabolism studies

by Lee, Phil Adany, Peter Choi, In-Young Published in Analytical biochemistry (15.07.2017)

“...Accurate quantitative metabolic imaging of the brain presents significant challenges due to the complexity and heterogeneity of its structures and compositions...”

Journal Article

Cross-sectional quasi-maximum likelihood and bias-corrected pooled least squares estimators for short dynamic panels

by Choi, In Jung, Sanghyun Published in Empirical economics (01.01.2021)

“...This paper proposes new estimators for the panel autoregressive (PAR) model of order 1 with short time dimensions and large cross sections. These estimators...”

Journal Article

Onion skin waste as a valorization resource for the by-products quercetin and biosugar

by Choi, In Seong Cho, Eun Jin Moon, Jae-Hak Bae, Hyeun-Jong Published in Food chemistry (01.12.2015)

“...•Onion skin waste (OSW) is an attractive source for value-added byproducts production.•98.5% of glucose was produced from OSW with optimal enzyme...”

Journal Article

FunGAP: Fungal Genome Annotation Pipeline using evidence-based gene model evaluation

by Min, Byoungnam Grigoriev, Igor V Choi, In-Geol
edited by Birol, Inanc
Published in Bioinformatics (Oxford, England) (15.09.2017)

“...Successful genome analysis depends on the quality of gene prediction. Although fungal genome sequencing and assembly have become trivial, its annotation...”

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