Advertisements I know that combn() can give me all the unique combinations across a vector. However, it gives me a matrix output, and I want it as a vector. Wrapping the output in as.vector() makes every value individual, losing the purpose of running combn() in the first place. Imagine my dataset was c("a", "b", "c"),… Read More In R, how to get the results of combn() from a matrix into a vector without losing data?

Advertisements I have a character vector data frame and I would like to randomly generate pairs of names coming from this vector. My code gives the all combinations. But I want to generate all names should be paired with one time in random order; an item cannot be partner with itself. My code is: #… Read More Generate random pairs of factors in dataframe using R