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combine row for every element of vector r code example

Do this for vectors v1 <- 1:2 v2 <- 3:4 expand.grid(v1, v2) # Var1 Var2 #1 1 3 #2 2 3 #3 1 4 #4 2 4 # Use merge for dataframes df1 <- data.frame(a = 1:2, ...

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