java怎么发送帧数据_将数据帧列表转换为一个数据帧

码：

library(microbenchmark)

dflist

for(i in 1:100)

{

dflist[[i]]

c=rep(LETTERS,10),d=rep(LETTERS,10))

}

mb

plyr::rbind.fill(dflist),

dplyr::bind_rows(dflist),

data.table::rbindlist(dflist),

plyr::ldply(dflist,data.frame),

do.call("rbind",dflist),

times=1000)

ggplot2::autoplot(mb)

Session ：

R version 3.3.0 (2016-05-03)

Platform: x86_64-w64-mingw32/x64 (64-bit)

Running under: Windows 7 x64 (build 7601) Service Pack 1

> packageVersion("plyr")

[1] ‘1.8.4’

> packageVersion("dplyr")

[1] ‘0.5.0’

> packageVersion("data.table")

[1] ‘1.9.6’

UPDATE ：重新运行2018年1月31日 . 跑在同一台电脑上 . 新版本的包 . 为种子爱好者添加种子 .

set.seed(21)

library(microbenchmark)

dflist

for(i in 1:100)

{

dflist[[i]]

c=rep(LETTERS,10),d=rep(LETTERS,10))

}

mb

plyr::rbind.fill(dflist),

dplyr::bind_rows(dflist),

data.table::rbindlist(dflist),

plyr::ldply(dflist,data.frame),

do.call("rbind",dflist),

times=1000)

ggplot2::autoplot(mb)+theme_bw()

R version 3.4.0 (2017-04-21)

Platform: x86_64-w64-mingw32/x64 (64-bit)

Running under: Windows 7 x64 (build 7601) Service Pack 1

> packageVersion("plyr")

[1] ‘1.8.4’

> packageVersion("dplyr")

[1] ‘0.7.2’

> packageVersion("data.table")

[1] ‘1.10.4’