Keiji Takai

Publication Activity (10 Years)

Years Active: 2008-2020
Publications (10 Years): 3

Top Topics

Expectation Maximization

Hidden Variables

Top Venues

Commun. Stat. Simul. Comput.

Publications

Keiji Takai
Incomplete-data Fisher scoring method with steplength adjustment. Stat. Comput. 30 (4) (2020)
Pierre-Yves Donze, Ken Ishibashi, Bo Wu, Yuta Kaneko, Kei Miyazaki, Keiji Takai
Global Distribution of Watches: A Network Analysis of Trade Relations. ICDM Workshops (2017)
Kenichi Hayashi, Keiji Takai
Finite-sample analysis of impacts of unlabeled data and their labeling mechanisms in linear discriminant analysis. Commun. Stat. Simul. Comput. 46 (1) (2017)
Keiji Takai, Katsutoshi Yada
A framework for analysis of the effect of time on shopping behavior. J. Intell. Inf. Syst. 41 (1) (2013)
Keiji Takai
Exploration of Dependencies among Sections in a Supermarket Using a Tree-Structured Undirected Graphical Model. ICDM Workshops (2012)
Keiji Takai
Constrained EM algorithm with projection method. Comput. Stat. 27 (4) (2012)
Keiji Takai, Katsutoshi Yada
Finding latent groups of customers via the poisson mixture regression model. SMC (2011)
Marina Kholod, Keiji Takai, Katsutoshi Yada
Clockwise and Anti-clockwise Directions of Customer Orientation in a Supermarket: Evidence from RFID Data. KES (3) (2011)
Yutaka Kano, Keiji Takai
Analysis of NMAR missing data without specifying missing-data mechanisms in a linear latent variate model. J. Multivar. Anal. 102 (9) (2011)
Keiji Takai, Katsutoshi Yada
Relation between Stay-Time and Purchase Probability Based on RFID Data in a Japanese Supermarket. KES (3) (2010)
Keiji Takai, Yutaka Kano
Simple Computation of Maximum Likelihood Estimates in Latent Class Model with Equality and Constant Constraints. Commun. Stat. Simul. Comput. 38 (3) (2009)
Keiji Takai, Yutaka Kano
Test of independence in a 2×2 contingency table with nonignorable nonresponse via constrained EM algorithm. Comput. Stat. Data Anal. 52 (12) (2008)