Nothing

```
row.matches <-
structure(function (y, X)
{
i <- seq(nrow(X))
j <- 0
while (length(i) && (j <- j + 1) <= ncol(X)) i <- i[X[i,
j] == y[j]]
i
}, source = c("function(y, X) {", "#********************************************",
"#This functions finds out the rows in matrix X", "#that are equal to the vector y",
"#y: a vector", "#X: a matrix", "#**************************************************",
" i <- seq(nrow(X)) ", " j <- 0 ", " while(length(i) && (j <- j + 1) <= ncol(X)) ",
" i <- i[X[i, j] == y[j]] ", " i ", "}"
))
```

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