r - 基于R中的多个参数的数据帧中的行号

Question

我希望根据多个参数找到行号。我制作了这个测试矩阵：

data=
     [,1] [,2] [,3]
[1,] "1"  "a"  "0" 
[2,] "2"  "b"  "0" 
[3,] "3"  "c"  "0" 
[4,] "4"  "a"  "0" 
[5,] "1"  "b"  "0" 
[6,] "2"  "c"  "0" 
[7,] "3"  "a"  "0" 
[8,] "4"  "b"  "0" 

然后我想得到行号在哪里

data[,1]==1 and data[,2]=='b'

标签： rdataframenumbersrow