Reduce allows me to apply a function successively over a vector.
What does that mean? Well, if I would like to add up the figures 1 to 5, I could say:
add orReduce(add, 1:5)
Now this might not sound exciting, but
Reduce can be powerful. Here is an example with
googleVis. To merge two charts I use the function
gvisMerge, which takes two charts and wraps them up in an HTML table. Hence, to create a page with a line-, column- area- and bar chart I could use: