Search Results for author: Alvin Lim

Found 6 papers, 0 papers with code

Marketing Mix Optimization with Practical Constraints

no code implementations11 Jan 2021 Hsin-Chan Huang, Jiefeng Xu, Alvin Lim

In this paper, we address a variant of the marketing mix optimization (MMO) problem which is commonly encountered in many industries, e. g., retail and consumer packaged goods (CPG) industries.

Marketing

Estimating Linear Mixed Effects Models with Truncated Normally Distributed Random Effects

no code implementations9 Nov 2020 Hao Chen, Lanshan Han, Alvin Lim

Linear Mixed Effects (LME) models have been widely applied in clustered data analysis in many areas including marketing research, clinical trials, and biomedical studies.

Marketing Two-sample testing

Maximizing Store Revenues using Tabu Search for Floor Space Optimization

no code implementations4 Nov 2020 Jiefeng Xu, Evren Gul, Alvin Lim

Floor space optimization is a critical revenue management problem commonly encountered by retailers.

Management

Hierarchical Marketing Mix Models with Sign Constraints

no code implementations28 Aug 2020 Hao Chen, Minguang Zhang, Lanshan Han, Alvin Lim

Marketing mix models (MMMs) are statistical models for measuring the effectiveness of various marketing activities such as promotion, media advertisement, etc.

Marketing

Quadratic Surface Support Vector Machine with L1 Norm Regularization

no code implementations22 Aug 2019 Ahmad Mousavi, Zheming Gao, Lanshan Han, Alvin Lim

We propose $\ell_1$ norm regularized quadratic surface support vector machine models for binary classification in supervised learning.

Binary Classification

Beyond the EM Algorithm: Constrained Optimization Methods for Latent Class Model

no code implementations9 Jan 2019 Hao Chen, Lanshan Han, Alvin Lim

One likelihood-based method, the Expectation-Maximization (EM) algorithm, is often used to obtain the model estimators.

Marketing

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