编辑代码

ju <- matrix()

mylist <-list(1,5,"例子",'s','home')
mylist
str(mylist)
# 创建纯字符矩阵
text_matrix <- matrix(c("苹果", "香蕉", "橙子", "葡萄"), nrow = 2)
#      [,1]   [,2]  
# [1,] "苹果" "橙子"
# [2,] "香蕉" "葡萄"

# 当混合数值和字符串时,所有元素会被强制转换为字符型
print(mixed_matrix <- matrix(c(1, "A", TRUE, 3.14), nrow = 2))
#      [,1]    [,2]   
# [1,] "1"     "TRUE" 
# [2,] "A"     "3.14"
mixed_matrix

a1 <-c("a1",TRUE,12,8,94,6,78,45)
my_matrix <- matrix(a1,2,4)