anchor.diff:  23 May,YouGov/The Times,2066,48.0,29.0,5.0,10.0,5.0,2.0,1.0,19.0,2017
   28 Apr2 May,Panelbase,1034,47.0,30.0,5.0,10.0,5.0,2.0,1.0,17.0,2017
   28 Apr2 May,ICM/The Guardian,1970,47.0,28.0,8.0,8.0,3.0,4.0,1.0,19.0,2017
  +28 Apr1 May,Qriously,1240,35.0,23.0,6.0,7.0,2.0,3.0,,12.0,2017
   27 Apr2 May,Kantar Public,1205,48.0,24.0,7.0,11.0,4.0,4.0,2.0,24.0,2017
   2728 Apr,YouGov/Sunday Times,1612,44.0,31.0,6.0,11.0,4.0,2.0,2.0,13.0,2017
   2628 Apr,ICM/Sun on Sunday,2012,47.0,28.0,8.0,9.0,4.0,4.0,,19.0,2017
  
positive.code: 2931 May,ComRes/Daily Mail,1000,41.0,29.0,10.0,8.0,5.0,5.0,3.0,12.0,2015
  2526 May,YouGov/The Sun,1709,41.0,30.0,13.0,7.0,4.0,4.0,1.0,11.0,2015
  89 May,Survation/Mail on Sunday,1027,40.0,31.0,12.0,6.0,5.0,3.0,2.0,9.0,2015
  7 May,General Election results (GB only)[2][3],29980107,37.8,31.2,12.9,8.1,4.9,3.8,1.4,6.6,2015
  
negative.code: "Date(s)
  conducted",Polling organisation/client,Sample size,Con,Lab,UKIP,Lib Dem,SNP,Green,Others,Lead,Year
  8 June,General Election results (GB only) [2],31384735,43.5,41.0,1.9,7.6,3.1,1.7,1.2,2.5,2017
  67 Jun,Ipsos MORI/Evening Standard,1291,44.0,36.0,4.0,7.0,5.0,2.0,2.0,8.0,2017
  67 Jun,BMG/The Herald,1199,46.0,33.0,5.0,8.0,4.0,3.0,2.0,13.0,2017
  67 Jun,Survation,2798,41.0,40.0,2.0,8.0,4.0,2.0,2.0,1.0,2017
  67 Jun,ICM/The Guardian,1532,46.0,34.0,5.0,7.0,5.0,2.0,1.0,12.0,2017
  57 Jun,YouGov/The Times,2130,42.0,35.0,5.0,10.0,5.0,2.0,1.0,7.0,2017
  57 Jun,ComRes/Independent,2051,44.0,34.0,5.0,9.0,4.0,2.0,1.0,10.0,2017
  27 Jun,Panelbase,3018,44.0,36.0,5.0,7.0,4.0,2.0,2.0,8.0,2017
  17 Jun,Kantar Public,2159,43.0,38.0,4.0,7.0,4.0,2.0,2.0,5.0,2017
  46 Jun,SurveyMonkey/The Sun,11000,42.0,38.0,4.0,6.0,3.0,2.0,5.0,4.0,2017
  46 Jun,Opinium,3002,43.0,36.0,5.0,8.0,5.0,2.0,1.0,7.0,2017
  24 Jun,ICM/The Guardian,2000,45.0,34.0,5.0,8.0,4.0,3.0,1.0,11.0,2017
  23 Jun,Survation/Good Morning Britain[b],1103,41.0,40.0,3.0,6.0,4.0,1.0,4.0,1.0,2017
  12 Jun,YouGov/Sunday Times,1989,42.0,38.0,4.0,9.0,4.0,2.0,0.0,4.0,2017
  31 May2 Jun,ICM/The Sun on Sunday,2051,45.0,34.0,5.0,9.0,4.0,3.0,1.0,11.0,2017
  31 May2 Jun,"ComRes/Sunday Mirror, Independent on Sunday",2038,47.0,35.0,4.0,8.0,3.0,1.0,1.0,12.0,2017
  31 May1 Jun,Norstat,1013,39.0,35.0,6.0,8.0,,3.0,9.0,4.0,2017
  30 May1 Jun,Ipsos MORI/Evening Standard[b],1046,45.0,40.0,2.0,7.0,3.0,2.0,1.0,5.0,2017
  26 May1 Jun,Panelbase,1224,44.0,36.0,5.0,7.0,5.0,2.0,1.0,8.0,2017
  3031 May,Opinium/Observer,2006,43.0,37.0,5.0,6.0,5.0,2.0,1.0,6.0,2017
  3031 May,YouGov/The Times,1875,42.0,39.0,4.0,7.0,4.0,2.0,1.0,3.0,2017
  2530 May,Kantar Public,1199,43.0,33.0,4.0,11.0,4.0,3.0,1.0,10.0,2017
  2629 May,ICM/The Guardian,2002,45.0,33.0,5.0,8.0,4.0,3.0,2.0,12.0,2017
  2629 May,Qriously,1153,36.0,32.0,4.0,5.0,3.0,3.0,,4.0,2017
  2627 May,Survation/Good Morning Britain[b],1009,43.0,37.0,4.0,8.0,2.0,1.0,4.0,6.0,2017
  2526 May,YouGov/Sunday Times,2003,43.0,36.0,4.0,9.0,4.0,2.0,1.0,7.0,2017
  2426 May,ICM/The Sun on Sunday,2044,46.0,32.0,5.0,8.0,4.0,2.0,1.0,14.0,2017
  2426 May,"ComRes/Sunday Mirror, Independent on Sunday",2024,46.0,34.0,5.0,8.0,4.0,2.0,1.0,12.0,2017
  