列表

# 列表 ----------------------------------------------------------------------

##list创建列表
g = 'My First List'
h = c(25,26,18,39)
j = matrix(1:10, nrow = 5)
j
str(j)
k = c('one','two','three')
mylist = list(title = g, ages = h,j,k)
mylist
str(mylist)
mylist[1]
mylist['ages']
mylist[['ages']]
mylist$title


# google's R style guide