Re: [Jprogramming] Weighty stats

2016-05-09 Thread Devon McCormick
Thanks, Ric. You will be the main part of "Show-and-Tell" at NYCJUG tomorrow night. On Tue, Mar 29, 2016 at 4:54 PM, Ric Sherlock wrote: > Here's an attempt to come up with weighted versions in the spirit of the > univariate.ijs definitions > > wmean=: +/@[ %~ +/@:* > > wdev=: ] -"_1 _ wmean > >

Re: [Jprogramming] Weighty stats

2016-03-29 Thread Ric Sherlock
Here's an attempt to come up with weighted versions in the spirit of the univariate.ijs definitions wmean=: +/@[ %~ +/@:* wdev=: ] -"_1 _ wmean wssdev=: [ +/@:* *:@wdev wvar=: (#@-.&0 %~ <:@#@-.&0 * +/)@[ %~ wssdev wstddev=: %:@wvar 1 1 0 0 4 1 2 1 0 wstddev 2 3 5 7 11 13 17 19 23 5.8223

[Jprogramming] Weighty stats

2016-03-29 Thread Devon McCormick
Hi All - I recently wrote a few basic stat verbs for doing weighted versions of some of the common descriptive statistics. They lack the cohesive elegance of the standard versions from the "univariate.ijs" script but I couldn't figure out how to replicate it with the weighted versions as I've mad