block                   Break a vector into blocks
hop                     Hop
hop2                    Hop along multiple inputs simultaneously
hop_index               Hop relative to an index
hop_index2              Hop along multiple inputs simultaneously
                        relative to an index
slide                   Slide
slide2                  Slide over multiple inputs simultaneously
slide_index             Slide relative to an index
slide_index2            Slide along multiples inputs simultaneously
                        relative to an index
slide_period            Slide relative to an index chunked by period
slide_period2           Slide along multiple inputs simultaneously
                        relative to an index chunked by period
summary-index           Specialized sliding functions relative to an
                        index
summary-slide           Specialized sliding functions
