我的问题是关于矩阵为R的公共列从米提取行我有两个矩阵r和m:v两个矩阵,基于R
m <- as.matrix(read.table(text="
15 56 44 1 4 7
61 31 63 7 1 3
10 36 99 5 9 6
65 79 88 54 1 1"))
colnames(m) <- c("Z","Q","A","F","D","H")
r <- as.matrix(read.table(text="
15 56 64
10 36 61 "))
colnames(r) <- c("Z","L","O")
欲基于公共列中提取的行(在这种情况下为Z列),所以结果将是
A
15 56 44 1 4 7
10 36 99 5 9 6
A是新矩阵。
任何想法如何?
你尝试'合并(M,R)'? – zx8754