Examples ... Forgive iphone typos...
Open, close of prices and range...
nos=.2 3 5 8 13 21
openclose=.{. , {:
range=.>./ - <./
openclose nos
2 21
range nos
19
Statistics (original courtesy of Keith Smillie, these are broken down)
am =: +/ % # NB. Arithmetic mean
gm =: # %: */ NB. Geometric Mean
dev=: ] - am
ss =: [: +/ [: *: dev
var=: (# - 1:) %~ ss
sd =: [: %: var
Freqdist=: ~. ,: #/.~
Regards Rob
> On 17 Jul 2014, at 6:26 am, 'Dan Baronet' via Programming
> <programm...@jsoftware.com> wrote:
>
> I am looking for good examples of use of trains.
> Apart from the classic +/ % #, I can't think of many more.
> Anyone with some examples? They can be of any length.
> /Dan
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