{"id":31216,"date":"2016-12-05T16:47:06","date_gmt":"2016-12-05T21:47:06","guid":{"rendered":"https:\/\/seamheads.com\/blog\/?p=31216"},"modified":"2017-01-04T09:50:16","modified_gmt":"2017-01-04T14:50:16","slug":"introducing-the-new-negro-leagues-database","status":"publish","type":"post","link":"https:\/\/seamheads.com\/blog\/2016\/12\/05\/introducing-the-new-negro-leagues-database\/","title":{"rendered":"Introducing the New Negro Leagues Database"},"content":{"rendered":"<p>It&#8217;s been over five years since we originally launched the Negro Leagues Database. Over that time, there have been significant additions to the database, in terms of new seasons and statistics. But the website and the presentation of these statistics have largely remained the same. In May of 2015, I overhauled the Major League part of The Baseball Gauge, and I&#8217;ve wanted to do the same with the Negro Leagues section. Today, we re-launch the award-winning Negro Leagues Database. Here are some of the new features:<\/p>\n<h3>Per 162 games<\/h3>\n<p>One of the biggest issues with Negro Leagues statistics is that they are incomplete. We don&#8217;t have box scores for every game and we currently do not have data for every season and league. Because of this, it&#8217;s tough to compare <a href=\"http:\/\/seamheads.com\/NegroLgs\/player.php?playerID=leona01buc\">Buck Leonard&#8217;s<\/a> 62 career home runs to <a href=\"http:\/\/seamheads.com\/NegroLgs\/player.php?playerID=torri01cri\">Crist\u00f3bal Torriente&#8217;s<\/a> 70, the same way we compare Harmon Killebrew (573) to Andre Dawson (438).<\/p>\n<p>To help fix this issue, I&#8217;ve included &#8220;per 162 games&#8221; rates on player and season\/career leaderboard pages. <a href=\"http:\/\/seamheads.com\/NegroLgs\/history.php?tab=bat_162&amp;first=1896&amp;last=1943&amp;lgID=All&amp;lgType=All&amp;bats=All&amp;pos=All&amp;HOF=All&amp;minPA=500&amp;results=100&amp;sort=HR_a\">Here we&#8217;ll see<\/a> that Buck Leonard averaged 26 home runs per 162 games, while Torriente averaged 11.<\/p>\n<h3>Similarity scores<\/h3>\n<p>Comparing raw stats from Negro Leagues to Major Leagues is far from perfect. It doesn&#8217;t account for league quality, park factors or era. Having said that, we have similarity scores on all player pages, to see which Major Leaguer had the most similar career. Because of the issue described above, &#8220;per 162 games&#8221; statistics are used instead of career totals. There is also the ability to only compare to Hall of Famers or active players.<\/p>\n<p>The <a href=\"http:\/\/seamheads.com\/NegroLgs\/player.php?playerID=charl01osc&amp;tab=bat_sim_scores&amp;ignore=Y&amp;results=100\">similarity score tool<\/a> shows us that Oscar Charleston&#8217;s most similar Major Leaguer was Rogers Hornsby<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-31221\" src=\"https:\/\/seamheads.com\/blog\/wp-content\/uploads\/Capture-1.png\" alt=\"Charleston vs Hornsby\" width=\"600\" height=\"55\" srcset=\"https:\/\/seamheads.com\/blog\/wp-content\/uploads\/Capture-1.png 772w, https:\/\/seamheads.com\/blog\/wp-content\/uploads\/Capture-1-300x28.png 300w, https:\/\/seamheads.com\/blog\/wp-content\/uploads\/Capture-1-768x71.png 768w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<h3>Defensive Regression Analysis<\/h3>\n<p>These fielding statistics have been available on the Major League site for a few years now and they are finally included in The Negro Leagues Database. Defensive Regression Analysis, <a href=\"https:\/\/global.oup.com\/academic\/product\/wizardry-9780195397765?cc=us&amp;lang=en&amp;\" target=\"_blank\">created by Michael Humphreys<\/a>, takes basic fielding statistics and estimates how many runs a player has saved (or allowed) compared to average.<\/p>\n<p>Defensive Regression Analysis shows us that <a href=\"http:\/\/seamheads.com\/NegroLgs\/player.php?playerID=seay-01dic&amp;tab=fld\" target=\"_blank\">Dick Seay<\/a>, while a lightweight with the bat (career 51 OPS+), saved 67 runs at second base in the season we have fielding data.<\/p>\n<h3>New Wins Above Replacement<\/h3>\n<p>The calculation for Wins Above Replacement now matches the Major League site. It uses Base Runs for offense, Defensive Regression Analysis for fielding, and runs allowed (with an adjustment for fielding) for pitching. The replacement level has been set at .294 to be consistent with Baseball-Reference and Fangraphs.<\/p>\n<p>There is also Wins Above Average and Wins Above Greatness if you prefer a different baseline. As with the previous version of the website, Win Shares and Win Shares Above Bench are included.<\/p>\n<p>The <a href=\"http:\/\/seamheads.com\/NegroLgs\/history.php?first=1896&amp;last=1943&amp;tab=metrics_162\" target=\"_blank\">career leaders per 162 games<\/a> contains many familiar names:<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-31220\" src=\"https:\/\/seamheads.com\/blog\/wp-content\/uploads\/Capture.png\" alt=\"WAR per 162\" width=\"560\" height=\"181\" srcset=\"https:\/\/seamheads.com\/blog\/wp-content\/uploads\/Capture.png 560w, https:\/\/seamheads.com\/blog\/wp-content\/uploads\/Capture-300x97.png 300w\" sizes=\"auto, (max-width: 560px) 100vw, 560px\" \/><\/p>\n<h3>Roster pages<\/h3>\n<p>These are available on <a href=\"http:\/\/seamheads.com\/NegroLgs\/team.php?yearID=1942&amp;teamID=KCM&amp;tab=roster\">team<\/a>, <a href=\"http:\/\/seamheads.com\/NegroLgs\/year.php?yearID=1924&amp;lgID=All&amp;tab=players\">year<\/a>, <a href=\"http:\/\/seamheads.com\/NegroLgs\/organization.php?franchID=HG&amp;first=1928&amp;last=1943&amp;tab=players\">franchise<\/a>, and <a href=\"http:\/\/seamheads.com\/NegroLgs\/history.php?first=1896&amp;last=1943&amp;tab=players\">all-time<\/a> pages. They contain vitals, uniform #&#8217;s, and birth\/death information.<\/p>\n<h3>Data Coverage<\/h3>\n<p>These <a href=\"http:\/\/seamheads.com\/NegroLgs\/data_coverage_bat.php\">pages<\/a> give the user an idea of which statistics we have and which we are missing.<\/p>\n<h3>New Logo<\/h3>\n<p>We have a beautiful new logo, which was kindly provided by <a href=\"http:\/\/www.cieradkowskidesign.com\/\" target=\"_blank\">Gary Cieradkowski<\/a>, creator of the <a href=\"http:\/\/infinitecardset.blogspot.com\/\" target=\"_blank\">Infinite Baseball Card Set<\/a> and author of <a href=\"https:\/\/www.amazon.com\/dp\/B00LD1OOU2\/ref=dp-kindle-redirect?_encoding=UTF8&amp;btkr=1\" target=\"_blank\">The League of Outsider Baseball<\/a>.<\/p>\n<p>Finally, we have all the features that were previously available on The Negro Leagues Database as well as the Major League version of The Baseball Gauge.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>It&#8217;s been over five years since we originally launched the Negro Leagues Database. Over that time, there have been significant additions to the database, in terms of new seasons and statistics. But the website and the presentation of these statistics have largely remained the same. In May of 2015, I overhauled the Major League part [&hellip;]<\/p>\n","protected":false},"author":750,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9,16162,4235],"tags":[],"class_list":["post-31216","post","type-post","status-publish","format-standard","hentry","category-general","category-negro-lgs","category-top-stories"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.8 - aioseo.com -->\n\t<meta name=\"description\" content=\"It&#039;s been over five years since we originally launched the Negro Leagues Database. Over that time, there have been significant additions to the database, in terms of new seasons and statistics. 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