Search results
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Title
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CUSTOMER ATTRITION MODELING AND FORECASTING
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Author
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Xu, Zehan
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Date Created
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2019
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Subjects--Topical
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Statistics
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Description
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Customer relationship management has shown its critical role in the success of a company in today’s increasingly competitive service industry. While modern machine learning techniques are widely adopted due to their advantages in working with exte...
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Title
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Dynamic Modeling of Incomplete Event History Data
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Author
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Heng, Fei
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Date Created
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2019
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Subjects--Topical
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Statistics
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Description
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Event history analysis has important applications in many fields, such as medicine, engineering, econometrics, actuarial science, and social studies. We usually encounter missing data problems in the modeling of event history data. One typical pro...
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Title
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Goodness-of-Fit Tests Under Permutations
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Author
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Chen, Chen
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Date Created
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2019
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Subjects--Topical
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Statistics, Mathematics, Information science
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Description
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Several new goodness-of-fit tests are proposed on countable alphabets, where certain fundamental statistical concepts associated with random variables, such as cumulative distribution functions, characteristic functions and moments, may not exist....
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Title
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Jensen-Shannon Divergence: Estimation and Hypothesis Testing
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Author
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Stewart, Ann
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Date Created
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2019
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Subjects--Topical
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Statistics
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Description
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Jensen-Shannon divergence is one reasonable solution to the problem of measuring the level of difference or "distance'" between two probability distributions on a multinomial population. If one of the distributions is assumed to be known a priori,...
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Title
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Unifying Estimation of Varying-coefficient Models
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Author
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yin, weitong
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Date Created
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2019
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Subjects--Topical
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Statistics
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Description
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Varying-coefficient models are widely used to analyze the relationship between a response and a group of covariates. Existing research shows different convergence rates for the estimators of coefficient for the stationary part and the nonstationar...
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Title
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Universal sample size invariant measures for uncertainty quantification in density estimation
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Author
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Jacobs, Donald J., Farmer, Jenny, Merino, Zach, Merino, Zach
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Date Created
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2019
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Subjects--Topical
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Statistics, Entropy
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Description
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Previously, we developed a high throughput non-parametric maximum entropy method (PLOS ONE, 13(5): e0196937, 2018) that employs a log-likelihood scoring function to characterize uncertainty in trial probability density estimates through a scaled q...