【摘要】 阐述基于R语言的数据统计及处理功能，针对“腐蚀专论”课程若干次不同排序的学生考评数据，通过R语言dplyr包中join()等数据关联函数的综合巧妙应用，实现成绩数据的高效、完善处理。更多还原

【Abstract】 This paper describes the data statistics and processing function based on R language,aiming at the student evaluation data of "Corrosion Thesis" course with several different rankings.Through the comprehensive and clever application of data correlation functions such as join() in R language’s dplyr package, the efficient and complete processing of grade data is achieved.更多还原