[학위논문] 『경제연구』 텍스트 마이닝 분석을 통한 북한 경제정책 변화 연구
...The subject of research is Economic Research, a representative periodical related to the economy. Documents of the ruler's name, North Korea's official media, and
Kim
Il-
sung's
University Journal were used complementarily. As a research method, frequency analysis, correlation analysis, cluster analysis, and topic modeling, which are text mining analysis...