R Programming
변곡점 (inflection points) 찾기
https://stats.stackexchange.com/questions/76959/finding-inflection-points-in-r-from-smoothed-data diff derivatives (Savitzky-Golay-filters) fda: Functional Data Analysis https://cran.r-project.org/web/packages/fda/fda.pdf FDA CRAN FDA Intro ChangePoint Analysis https://onesixx.com/changepoint-analysis/