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How-tos How to Find the Index of an Element in an R Vector. Learn how to find every matching position in an R vector with which() or the first position for each requested value with match(), including how unmatched values are handled. How-tos How to Create Empty Vector in R This tutorial demonstrates how to create an empty vector in R, covering various methods such as using the c() and vector() functions. Learn how to initialize empty vectors of … How-tos How to Create Combinations and Permutations of Vectors in R This article demonstrates how to use R to make vector combinations and permutations, as well as how to count the amount of combinations and permutations. It demonstrates one method …

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