R data.table和saveRDS
我想使用R data.table和saveRDS,r,save,data.table,R,Save,Data.table,我想使用saveRDS保存并加载我的data.tables。我所做的是: dt <- data.table(1:3) # saving to disk: saveRDS(dt,"ThisIsMyDT") # reloading in a different session: dt <- readRDS("ThisIsMyDT") # and since the pointer does not exist: attr(dt,".internal.selfref") alloc.
saveRDS
保存并加载我的data.tables。我所做的是:
dt <- data.table(1:3)
# saving to disk:
saveRDS(dt,"ThisIsMyDT")
# reloading in a different session:
dt <- readRDS("ThisIsMyDT")
# and since the pointer does not exist:
attr(dt,".internal.selfref")
alloc.col(dt)
dt也许有帮助一些时候,我检查了保存然后加载数据帧的最快方法save()\load()
uncompressed最快,sqlite
紧随其后,但可能最快,具体取决于具体情况。链接: