"Looking back" within a singe vector

[Søren Hauberg]

lør, 14 03 2009 kl. 10:19 -0700, skrev babelproofreader:
> the calculations typically being averages, standard
> deviations, maximums and minimums and Fisher transformations. 

Francesco answered the part about averages and standard deviations.
Minimums and maximums can be calculated with the 'ordfilt2' function in
the 'image' package. It is designed for images (i.e. matrix data) but
should also work with vectors.

Søren