R查看对象类型，写入csv

class查看第一层类别

> class(b)

[1] "numeric"

 

写入csv

write.csv(data, file = "data.csv")

参考来源：

https://blog.csdn.net/niuruijun/article/details/79262330

https://blog.csdn.net/Magic_Ninja/article/details/80846996