r 怎么把csv数据转化为矩阵

Question

如题所述

Answer 1

import numpy as np
import pandas as pd
csv_data=pd.read_csv('1.csv')
array_data=np.array(csv_data)

Answer 2

用as.matrix, 如果数据类型都相符
> help(as.matrix)
> t<-read.delim("t.txt", header=T)
> t
t1 t2
1 1 2
2 15 33
> aMat<-as.matrix(t)
> aMat
t1 t2
[1,] 1 2
[2,] 15 33
> class(aMat)
[1] "matrix"本回答被提问者采纳