How about the square root of the number of jobs, or some other root if you want another coefficient? That doesn't have the limiting behaviour a logarithmic function offers, though.
On Fri, Feb 11, 2011 at 2:08 PM, Richard Reina <gatorre...@gmail.com> wrote: > Hi Travis, > > This is very helpful thank you. However, is there a way to make it not be > less than a 1. As it's written below someone with one job gets a zero and > someone with no jobs gets a NULL. It would be great if someone with 1 job > got a 1 and someone with zero jobs got a 0. > > Thanks again, > > Richard > > 2011/2/10 Travis Ard <travis_...@hotmail.com> > > > Maybe some sort of logarithmic expression? > > > > select no_of_jobs, 10 * log(10, no_of_jobs) as job_weight > > from data; > > > > Of course, you'd have to tweak your coefficients to match the weighting > > system you want to use. > > > > -Travis > > > > -----Original Message----- > > From: Richard Reina [mailto:gatorre...@gmail.com] > > Sent: Thursday, February 10, 2011 3:07 PM > > To: mysql@lists.mysql.com > > Subject: function to limit value of integer > > > > Is there a function that can limit the value of an integer in a MySQL > > query? I am trying to write a query that scores someones experience. > > However, number of jobs can become overweighted in the the query below. > If > > someone has done 10 jobs vs. 1 that's a big difference in experience. But > > someone who's done 100 vs. someone who's done 50 the difference in > > experience is not so great as they are both near the top of the learning > > curve. In essence number of jobs becomes less and less of a contributor > as > > it increases. Is there a way to limit it's value as it increases? > > > > SELECT years_srvd + no_of_jobs AS EXPERIENCE > > > > Thanks, > > > > Richard > > > > > -- Bier met grenadyn Is als mosterd by den wyn Sy die't drinkt, is eene kwezel Hy die't drinkt, is ras een ezel
