Koji Tsukuda | Last modified date：2022.01.05 |

Graduate School

Undergraduate School

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Homepage

##### https://kyushu-u.pure.elsevier.com/en/persons/koji-tsukuda

Reseacher Profiling Tool Kyushu University Pure

Academic Degree

Ph.D.

Field of Specialization

Mathematical Statistics

Research

**Research Interests**

- When a set of individuals with some attributes is partitioned by the attributes of each individual into non-empty and disjoint subsets whose union is the original set, the total number of individuals is expressed as the sum of the number of individuals with each attribute. Expressing a positive integer as a sum of positive integers in this way is called integer partition, and a probability distribution on integer partitions is called a random partition. I am studying random partitions focusing on statistical properties and inferences.

I am also studying regression analysis, which is used to describe associations between explanatory variables and response variables.

Additionally, regarding statistical applications in industry, I am interested in methodologies used for business activities such as development, product design and quality control.

keyword : Random Partition, Regression Analysis, Statistical Asymptotic Theory

2020.04.

**Academic Activities**

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