library(tidyverse) library(stringr) library(janitor) library(tsibble) library(ggtext) library(bsts)
tidyquant) library(tsfeatures) library(rsample) library(purrr) library(stringr) library(tibbletime) # tsibble from = start_date, to = end_date, src = "yahoo") ## [1] "SPY" #detach("package:tsibble ", unload = TRUE) # tsibble clashes with the base R index() function SPY$ret_Rb <- Delt(SPY$SPY.Adjusted
对于 R 用户,feasts 包提供了 tsfeatures 与 tsibble 和 tidyverse 的集成,并扩展了额外功能。
tibble) %>% ~exp( newdata = .y)) )) %>% tidyr::unnest%>% as_tsibble ##绘制数据 ggplot() + geom_line