Check out example codes for "r find elements in common between vectors". It will help you in understanding the concepts better.
Code Example 1
# Basic syntax: intersect(vector_1, vector_2) # For two vectors Reduce(intersect, list(vector_1, vector_2, vector_3)) # For multiple vectors # Example usage: vector_1 = c(1,2,3,4,5) vector_1 = c(2,4,6,8) intersect(vector_1, vector_2) --> 2 4 # Note, the vectors don't have to have the same length
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