我是金融数学的新手,正在尝试做有关R的回测的作业:
library(FinancialInstrument)
start.date <- '2017-01-01'
end.date <- '2019-12-30'
HSI <- getSymbols(Symbols="^HSI",src="yahoo",from=start.date,to=end.date,index.class="POSIXct",adjust=T, auto.assign = F)
HSI <- HSI %>% na.omit()
currency(primary_id='HKD')
stock(primary_id=HSI,currency='HKD',multiplier=500,tick_size=0.05)
但是我收到以下错误:C堆栈使用7971792太接近限制了
我的R会话:
Cstack_info()
size current direction eval_depth
7969177 13136 1 2
我看到有类似的帖子,但没有人回答:Error: C stack usage is too close to the limit in R
有没有人可以对Cstack错误提出建议?
不要使用自动分配。
getSymbols(Symbols="2800.HK",src="yahoo", from=start.date,to=end.date,index.class="POSIXct",adjust=T)
`2800.HK` <- `2800.HK` %>% na.omit()
currency(primary_id='HKD')
stock(primary_id='2800.HK',currency='HKD',multiplier=500,tick_size=0.05)