[{"data":1,"prerenderedAt":406},["ShallowReactive",2],{"project-6354716":3},{"id":4,"name":5,"line":6,"line_source":7,"title":8,"url":9,"domain":10,"maker":11,"posted_at":12,"year":13,"points":14,"comments":15,"rank_in_year":16,"shown_in_year":17,"top":18,"tier":19,"category":20,"subcategory":21,"format":22,"keywords":23,"reception":28,"sentiment":29,"stance_mix":30,"scored_comments":35,"aspects":36,"strip":44,"post_text":46,"what":47,"said":59,"maker_in_thread":154,"shape":162,"grid":166,"attempts":367,"same_week":368,"maker_shows":38,"maker_hidden":398,"reader_version":399,"card":400},"6354716","Crime Doesn't Climb","Crime Doesn't Climb in San Francisco","title","Show HN: Crime Doesn't Climb in San Francisco","https:\u002F\u002Fgithub.com\u002Fgwintrob\u002Fcrime-doesnt-climb\u002Fblob\u002Fmaster\u002FREADME.md","github.com","gwintrob",1378747099,2013,145,74,139,1739,8,"notable","learning_science","crime data visualization","web_app",[24,25,26,27],"san francisco crime","crime map","elevation","crime statistics","curious",-0.242,{"positive":31,"neutral":32,"mixed":33,"critical":34},3,22,0,10,35,{"execution":37,"idea":39,"design":40,"docs":42},{"positive":33,"critical":38},4,{"positive":31,"critical":31},{"positive":33,"critical":41},2,{"positive":33,"critical":43},1,[43,43,33,33,33,33,33,43,31,31,31,31,45,33,31,33,33,31,33,33,33,33,33,45,33,43,31,43,31,43,33,45,43,33,43,31,31,31,43,31],5,null,{"problem":46,"audience":46,"pricing":46,"motivation":46,"time_to_build":46,"stack":48,"openness":57,"stage":58,"team_size":58},[49],{"value":50,"source":51,"evidence":52},"JavaScript","commenter",[53],{"id":54,"by":55,"text":56},"6355601","flixic","Yes, this is all JavaScript.","open_source","unknown",{"praise":60,"objections":75,"requests":113,"questions":134,"alternatives":139},[61],{"value":62,"source":51,"evidence":63},"Interesting visualization and a good small project",[64,68,71],{"id":65,"by":66,"text":67},"6356070","geebee","This is why I'd be interested in looking at the graph for the neighborhoods south of 280, particularly in the eastern section of the city. In many areas, property values drop and…",{"id":69,"by":66,"text":70},"6356147","I agree. This is a good example of a small project that was worth getting out there. The code is posted, so if it's triggering some ideas, that's kind of the point - by all…",{"id":72,"by":73,"text":74},"6354777","bdon","Interesting. I suspect elevation is highly correlated with land value, so perhaps that is the hidden factor here? I'd like to see this applied to other hilly cities. Great work!",[76,91,103],{"value":77,"source":51,"evidence":78},"Crime counts are not normalized by population density",[79,83,87],{"id":80,"by":81,"text":82},"6355608","throwaway_yy2Di","This is invalid. The numbers calculated are counts of crime incidents, not crime rates. A km^2 block with ten times the population density will have ten times the number of…",{"id":84,"by":85,"text":86},"6356106","brown9-2","Data that reports per-person activity needs to control for population density in each section, otherwise it just becomes a population map. http:\u002F\u002Fxkcd.com\u002F1138\u002F",{"id":88,"by":89,"text":90},"6355259","xxpor","Well, fine. If you don't adjust for population density, you are correct. The more people in an area, the more crime there will be in general.",{"value":92,"source":51,"evidence":93},"Elevation likely correlates with wealth and other confounders",[94,98,99],{"id":95,"by":96,"text":97},"6355217","smtddr","I'd like a map overlay of median(not average! that means nothing in SF!!!) income of those areas. Something tells me higher elevation = way more expensive, especially here in SF.…",{"id":72,"by":73,"text":74},{"id":100,"by":101,"text":102},"6355475","anateus","This is a fun exploration, but there are just so many plausible additional factors, from population density, to SFPD's selective enforcement, to many others that can be at least…",{"value":104,"source":51,"evidence":105},"Map is an unclear animated GIF with no explanation",[106,110],{"id":107,"by":108,"text":109},"6357865","coherentpony","The first thing on that page is a GIF. There is no explanation. It is not clear what the GIF is meant to be portraying. I even went on to read the first two paragraphs, which…",{"id":111,"by":66,"text":112},"6355113","This is interesting, but on my browser, the map cuts out much of the southern section of SF. Is it included in the numbers? This area may present a particularly interesting…",[114,126],{"value":115,"source":51,"evidence":116},"Control for population density",[117,121,125],{"id":118,"by":119,"text":120},"6354942","codezero","What about weighted by population density?",{"id":122,"by":123,"text":124},"6355270","snake_plissken","Correlate with population density? Also, the time of day?",{"id":84,"by":85,"text":86},{"value":127,"source":51,"evidence":128},"Overlay with topographic map or income data",[129,133],{"id":130,"by":131,"text":132},"6355096","bluedino","How about showing it overlaid with a topographical map?",{"id":95,"by":96,"text":97},[135],{"value":136,"source":51,"evidence":137},"Does the map include southern San Francisco?",[138],{"id":111,"by":66,"text":112},[140,147],{"value":141,"source":51,"evidence":142},"LAPD CompStat crime maps",[143],{"id":144,"by":145,"text":146},"6355595","mturmon","There are a lot of confounding variables here, and others have mentioned a few. One I have not seen is \"proximity to major arterials\". Sometimes crime concentrates around major…",{"value":148,"source":51,"evidence":149},"Data Science Toolkit",[150],{"id":151,"by":152,"text":153},"6356534","kennywinker","Very good article! The Data Science Toolkit he pumps as an alternative to pirating google's APIs looks awesome, and deserves a direct link: http:\u002F\u002Fwww.datasciencetoolkit.org",{"comments":41,"answered":41,"key":155},[156,159],{"id":157,"text":158},"6355004","Great point. There are a lot of interesting ways to analyze this data (e.g. population, public transportation, home prices, etc.)",{"id":160,"text":161},"6355186","Yes, that would be a nice visualization. http:\u002F\u002Fcartodb.com\u002F is a pretty powerful tool for these kinds of maps.",{"commenters":163,"max_depth":164,"maker_replies":41,"first_comment_mins":18,"lifespan_hours":165},57,6,223,[167,169,170,174,176,179,181,184,187,190,192,194,196,199,203,207,209,212,215,217,219,222,225,227,228,230,233,235,238,241,245,247,250,253,256,258,261,263,266,269,272,273,276,277,279,282,284,286,290,294,295,299,302,303,306,308,311,314,315,319,321,324,327,331,335,338,342,346,350,351,355,357,361,363],[144,33,43,168,145,33],"project\u002Fcritical\u002Fexecution",[80,43,43,168,81,33],[171,43,33,172,173,33],"6355662","commenter\u002Fneutral\u002Fnone","rsync",[175,43,33,172,81,33],"6355670",[177,43,33,172,178,33],"6355750","msellout",[180,43,33,172,81,33],"6355812",[182,43,33,172,183,33],"6358413","derefr",[185,43,33,172,186,33],"6355833","cbr",[188,43,33,172,189,33],"6357400","jlgreco",[191,43,33,172,183,33],"6358419",[193,43,33,172,186,33],"6375310",[195,43,33,172,85,33],"6356202",[197,43,33,172,198,33],"6356131","cobrausn",[200,43,43,201,202,33],"6356665","project\u002Fcritical\u002Fidea","ayoo",[204,43,31,205,206,33],"6356706","project\u002Fneutral\u002Fnone","steven2012",[95,41,31,208,96,33],"project\u002Fneutral\u002Fidea",[210,41,33,172,211,33],"6355379","ojbyrne",[213,41,31,208,214,33],"6355582","cgtyoder",[216,41,31,205,66,33],"6356095",[218,41,31,205,211,33],"6365763",[220,41,31,208,221,33],"6355599","xiaoma",[223,41,31,208,224,33],"6355604","mathattack",[65,41,45,226,66,33],"project\u002Fpositive\u002Fidea",[118,31,31,205,119,33],[157,31,33,229,11,43],"maker\u002Fneutral\u002Fidea",[231,38,31,205,232,33],"6354975","grandalf",[234,38,33,172,89,33],"6355120",[236,38,33,172,237,33],"6355177","cshenoy",[239,38,33,172,240,33],"6355183","ar7hur",[242,38,33,243,244,33],"6355281","other\u002Fneutral\u002Fnone","mseebach",[246,38,33,243,189,33],"6355357",[248,38,31,205,249,33],"6355617","ZanyProgrammer",[251,38,33,172,252,33],"6355198","kyllo",[254,38,33,172,255,33],"6355208","seldo",[257,38,33,172,89,33],"6355241",[259,38,33,172,260,33],"6355466","UVB-76",[262,38,33,172,232,33],"6355495",[264,38,33,172,265,33],"6356577","WildUtah",[267,38,33,172,268,33],"6361024","rdl",[270,38,33,172,271,33],"6355216","baddox",[88,38,33,172,89,33],[274,38,33,243,275,33],"6357674","cmelbye",[72,45,45,226,73,33],[278,164,31,208,173,33],"6355681",[280,164,33,172,281,33],"6356367","SkyAtWork",[283,164,33,172,152,33],"6356499",[84,285,43,168,85,33],7,[287,18,31,288,289,33],"6355371","project\u002Fneutral\u002Fexecution","Groxx",[291,292,31,205,293,33],"6356418",9,"spenrose",[151,292,33,243,152,33],[296,34,43,297,298,33],"6356672","project\u002Fcritical\u002Fdesign","robotcookies",[130,300,31,301,131,33],11,"project\u002Fneutral\u002Fdesign",[160,300,33,229,11,43],[304,300,33,243,305,33],"6355231","idupree",[100,307,43,168,101,33],12,[309,307,33,172,310,33],"6355511","skwirl",[312,307,33,172,313,33],"6355524","mscarborough",[69,307,45,226,66,33],[316,317,31,288,318,33],"6356222",13,"jcampbell1",[111,320,43,297,66,33],14,[322,320,33,172,323,33],"6355213","mrb",[325,320,33,172,326,33],"6355312","valleyer",[328,329,43,201,330,33],"6355305",15,"Kurtz79",[332,333,43,201,334,33],"6408965",16,"vtcraghead",[336,337,31,208,240,33],"6355139",17,[339,340,31,208,341,33],"6355521",18,"xycodex",[343,344,33,172,345,33],"6355705",19,"natural219",[347,348,31,288,349,33],"6355548",20,"pa5tabear",[54,348,31,288,55,33],[352,353,31,208,354,33],"6355609",21,"herf",[107,32,43,356,108,33],"project\u002Fcritical\u002Fdocs",[358,359,33,243,360,33],"6355965",23,"lowglow",[122,362,31,208,123,33],24,[364,365,31,208,366,33],"6357351",25,"kata1yst",[],[369,374,379,384,389,394],{"id":370,"name":371,"points":372,"category":373},"6335784","BeeLine Reader",739,"productivity",{"id":375,"name":376,"points":377,"category":378},"6358394","Voxel Quest",203,"games",{"id":380,"name":381,"points":382,"category":383},"6367635","Mote.io",60,"dev_tools",{"id":385,"name":386,"points":387,"category":388},"6355127","bdon.org",58,"infrastructure",{"id":390,"name":391,"points":392,"category":393},"6361318","GoJS",48,"languages",{"id":395,"name":396,"points":397,"category":383},"6355818","RealityCap",42,false,"v2",{"id":401,"name":5,"line":6,"ai":398,"cat":20,"year":13,"points":14,"comments":15,"rec":28,"s":402,"top":18,"kw":403,"maker":11,"domain":10,"tier":19,"attempts":33,"strip":404,"url":9,"mix":405,"praise":62,"objection":77,"sub":21},6354716,-0.24,[24,25,26,27],"1100000133335030030000050131310510133313",[31,32,33,34],1793990897527]