[학위논문] 『경제연구』 텍스트 마이닝 분석을 통한 북한 경제정책 변화 연구
...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 methods, were conducted along with literature research. When analyzing big data...