慕丝5093993
2020-11-17 16:03
library(airpassgers)
x<-matrix(airpassgers)
x["1950","Jan"]
ts数据类型建议你去这里看一下,https://blog.csdn.net/u014801157/article/details/52919955?ops_request_misc=&request_id=&biz_id=102&utm_term=r%E8%AF%AD%E8%A8%80%20ts%E6%95%B0%E6%8D%AE&utm_medium=distribute.pc_search_result.none-task-blog-2~all~sobaiduweb~default-4-.first_rank_v2_pc_rank_v29&spm=1018.2226.3001.4187
R语言基础
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