Dear R users,
I have been diligently using the apply() family in order to avoid explicit
for loops and speed up computation.
However, when I finally inspected the source code for apply, it appears that
the core computation is a simple loop as well.
What am I missing ? Why the often found advice to use apply() instead of
loops and the actually observed empirical  speedups on many tasks ?

Thanks in advance for demystifying,


Markus

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