Improvement of confidence Interval for linear varying coefficients and its application to SEM
Project/Area Number |
23700337
|
Research Category |
Grant-in-Aid for Young Scientists (B)
|
Allocation Type | Multi-year Fund |
Research Field |
Statistical science
|
Research Institution | Hiroshima University |
Principal Investigator |
SATOH Kenichi 広島大学, 原爆放射線医科学研究所, 准教授 (30284219)
|
Project Period (FY) |
2011 – 2013
|
Project Status |
Completed (Fiscal Year 2013)
|
Budget Amount *help |
¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
Fiscal Year 2013: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2012: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2011: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
|
Keywords | 変化係数 / 同時信頼区間 / 回帰モデル |
Research Abstract |
Varying coefficients can be used for visualizations or interpretations of the covariate effects which might be varying on time axis. Satoh and Yanagihara (2010) proposed linear varying coefficients and constructed a simultaneous confidence interval as a function of time. Linear curve is useful to understand the scatter plot, but it might be not enough to approximate a non-linear curve especially when there are many observed time points. In this paper we consider a semiparametric varying coefficients with splines and estimate them on linear mixed effect model which proposed by Brumback et al. (1999), then we construct a simultaneous confidence interval.
|
Report
(4 results)
Research Products
(62 results)