Dev Nambi - You Can't Hide the Signal 2014-04-18T19:56:10-07:00 http://devnambi.com Dev Nambi Copyright (c) 2010-2013 Dev Nambi Exercise Using Data 2014-04-18T00:00:00-07:00 http://devnambi.com/2014/exercise/ <p>There are many choices when looking at nutrition, exercise and medicine. Most people in the US and Europe <a href="http://healthcarecostmonitor.thehastingscenter.org/kimberlyswartz/projected-costs-of-chronic-diseases/">suffer, pay, and die</a> from chronic '<a href="http://en.wikipedia.org/wiki/Lifestyle_disease">lifestyle diseases</a>.'</p> The Road Through Strata - Thursday 2014-02-13T00:00:00-08:00 http://devnambi.com/2014/strata-thursday/ <p>This was my last day at the <a href="http://strataconf.com/strata2014/public/content/home">Strata</a> conference.</p> The Road Through Strata - Wednesday 2014-02-12T00:00:00-08:00 http://devnambi.com/2014/strata-wednesday/ <p>This was my second day at <a href="strataconf.com/strata2014/public/content/home">Strata</a>.</p> The Road Through Strata - Day 1 2014-02-11T00:00:00-08:00 http://devnambi.com/2014/strata-tuesday/ <p>This was my first day at Strata. Here's what I found.</p> The Road Through Strata - Preparations 2014-02-10T00:00:00-08:00 http://devnambi.com/2014/strata-prep/ <p>This week I will be at the <a href="http://strataconf.com/strata2014/">Strata</a> conference. It's the place to be if you're a data scientist. I shall be there, blogging the whole time.</p> All About College 2013-12-10T00:00:00-08:00 http://devnambi.com/2013/college/ <p>I was recently asked by my youth group to provide resources for high school students considering college. Here's what I came up with...</p> PageRank in SQL 2013-12-03T00:00:00-08:00 http://devnambi.com/2013/pagerank/ <p>One of the most profound ideas in the last 20 years is <a href="http://en.wikipedia.org/wiki/PageRank">PageRank</a>, the original algorithm of <a href="google.com">Google's</a> search engine.</p> SQL Saturday 265 - Tips for Presenting 2013-11-05T00:00:00-08:00 http://devnambi.com/2013/sql-saturday-speaking/ <p>This previous Saturday was <a href="http://www.sqlsaturday.com/265/eventhome.aspx">SQL Saturday Oregon</a>. My favorite was a workshop Q&amp;A about how to give technical presentations, organized by <a href="https://twitter.com/grrl_geek">Jes Borland</a>. Present were a good mix of newcomers, experienced speakers, and <a href="http://devnambi.com/contact.html">inexperienced speakers</a>. Here's what I took away from the session.</p> The Seattle Art Museum with Data 2013-11-05T00:00:00-08:00 http://devnambi.com/2013/art-museum/ <p><em><strong>How can data help the Seattle Art Museum?</strong></em></p> PASS Summit 2013 Keynote - Back to Basics 2013-10-22T00:00:00-07:00 http://devnambi.com/2013/pass-keynote/ <p><a href="http://gsl.azurewebsites.net/People/dewitt.aspx">Dr. David DeWitt</a> recently presented a keynote (<a href="http://www.youtube.com/watch?list=PLoGAcXKPcRvbTr23ujEN953pLP_nDyZJC&amp;v=aW3-0G-SEj0">video</a>, <a href="http://gsl.azurewebsites.net/Portals/0/Users/dewitt/talks/pass2013.final.zip">slides</a>) for <a href="www.sqlpass.org/summit/2013/">PASS Summit 2013</a> on the new <a href="http://vldb.org/pvldb/vol5/p298_per-akelarson_vldb2012.pdf">Hekaton query engine</a>. I was impressed by how the new engine design is rooted in basic engineering principles.</p> The Principal-Agent Problem 2013-10-13T00:00:00-07:00 http://devnambi.com/2013/principal-agent-problem/ <p><img src="http://devnambi.com/images/170-no-man-is-an-island-300x277.jpg" style="float:left" /></p> SQL Saturday Redmond - Machine Learning for Mere Mortals 2013-04-10T00:00:00-07:00 http://devnambi.com/2013/sql-saturday/ <p><img src="http://devnambi.com/images/sqlsat212_web.png" style="float:right" ></p> Buying A Cheap Car Using Data 2013-03-30T00:00:00-07:00 http://devnambi.com/2013/cheap-car/ <h4>December 30th, 2012. 6:00 AM</h4> Find Good Schools Using Data - Part Three 2013-02-11T00:00:00-08:00 http://devnambi.com/2013/school-analysis-part-three/ <p>Schools produce data. Thus far we have looked at <a href="http://devnambi.com/archive/2012/09/school-analysis-part-one/">school quality</a>, and its <a href="http://devnambi.com/archive/2012/09/school-analysis-part-two/">relationship to house prices</a>. What else affects the quality of school? School size? Parents' education? Teacher salaries? Gender ratios? Teacher ratings?</p> Compressing Tabular Data 2013-01-11T00:00:00-08:00 http://devnambi.com/2013/compressing-tabular-data/ <p><a href="http://www.flickr.com/photos/thetallest/84691087/"><img src="http://devnambi.com/images/tubes-300x199.jpg" style="float:right" /></a></p> Observations on Software Engineering 2013-01-01T00:00:00-08:00 http://devnambi.com/2013/engineering-observations/ <p>Software engineering is a very <em>human</em> craft, full of trade-offs. These trade-offs don't behave in a linear way. The reaction of <em>"if </em><em>_ is good, do more of it" </em>is therefore dangerously misguided.</p> Hardware and Architecture 2012-11-13T18:03:55Z http://devnambi.com/2012/hardware/ <p>Software engineers and data professionals are constrained by the <a href="https://gist.github.com/4064071">direction of computing hardware</a> (<a href="http://norvig.com/21-days.html#answers">Norvig</a>). CPU speed has improved more quickly than the speed of RAM, and <em>dramatically</em> outpaced disk/network speed.</p> Big Data - Brains vs. Hype 2012-11-12T21:15:17Z http://devnambi.com/2012/big-data/ <p>This past week was <a href="http://www.sqlpass.org/summit/2012/">PASS Summit 2012</a>, the annual gathering of database <del>nerds</del> professionals to learn about database management, business intelligence, and upcoming trends. A common theme this year was <em>big data</em>.</p> PASS Summit - A Veteran's Guide 2012-11-02T16:00:02Z http://devnambi.com/2012/pass-summit-guide/ <p>There have been some excellent posts about <a href="http://www.sqlpass.org/summit/2012/">SQL PASS Summit</a>: <a href="http://ladyruna.blogspot.com/2012/10/preparing-for-sql-pass-summitpart-last.html">more</a> <a href="http://tjaybelt.blogspot.com/2011/10/firsttimers-cheat-sheet.html">advice</a> <a href="http://www.brentozar.com/archive/2012/10/our-favorite-and-least-favorite-pass-summit-moments-video/">than</a> <a href="http://www.littlekendra.com/seattle/">you</a> <a href="http://dataonwheels.wordpress.com/2012/11/01/countdown-to-pass-summit-2012-5-to-go-communities-in-the-community/">can</a> <a href="http://itknowledgeexchange.techtarget.com/sql-server/you-arent-going-to-want-to-miss-sqlkaraoke-at-the-sqlpass-summit12/">shake</a> <a href="http://sqlgator.com/2012/11/01/t-3-days-until-the-pass-summit-i-will-be-on-tv/">a stick</a> <a href="http://www.nigelpsammy.com/2012/10/interview-with-pass-summit-2012-speaker_31.html">at</a>. I'm going to focus on 3 topics: picking sessions, endurance, and follow up.</p> Data Scientist, Part 1.1 2012-10-26T07:24:23Z http://devnambi.com/2012/data-scientist-part-1-1/ <p>We learn from other people. We often learn from others with similar interests. Who are they? How do we find them?</p>