.Rhistory

library(rmarkdown)
render("./bidule")
render("./bidule.md")
render("./Brief and Deep Introduction.Rmd")
install.packages("rmdformats")
maliste <- list(c("A","B","C","A"),matrix(1:4),1,2L, "D")
maliste
length(maliste)
help(mode)
is.list(maliste)
li[[1]] <- 1:4
li <- list()
li
li[[1]] <- 1:4
li
li$nouv <- matrix(1:4,nrow=2)
ls
li
names(li)
li <- list(1:4)
li
list(1,4)
c(list(1,4),list(2))
help("data.frame")
knitr::opts_chunk$set(echo = TRUE, eval = FALSE)
df <- mtcars
df$cyl[1] <-12
df <- mtcars
df$cyl[1] <-12
df
df$cyl[1] <-13
df
df$cyl
library(lobstr)
library(data.table)
library(microbenchmark)
data(mtcars)
ref(mtcars)
mtcars$cyl[1] <- 12
ref(mtcars)
data(mtcars)
ref(mtcars)
mtcars$cyl[1] <- 12L
ref(mtcars)
mtcards
mtcards
mtcars