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  { 
    "key" : "Information Technology" , 
    "values" : [ [ 1138683600000 , 13.242301508051] , [ 1141102800000 , 12.863536342042] , [ 1143781200000 , 21.034044171629] , [ 1146369600000 , 21.419084618803] , [ 1149048000000 , 21.142678863691] , [ 1151640000000 , 26.568489677529] , [ 1154318400000 , 24.839144939905] , [ 1156996800000 , 25.456187462167] , [ 1159588800000 , 26.350164502826] , [ 1162270800000 , 26.47833320519] , [ 1164862800000 , 26.425979547847] , [ 1167541200000 , 28.191461582256] , [ 1170219600000 , 28.930307448808] , [ 1172638800000 , 29.521413891117] , [ 1175313600000 , 28.188285966466] , [ 1177905600000 , 27.704619625832] , [ 1180584000000 , 27.490862424829] , [ 1183176000000 , 28.770679721286] , [ 1185854400000 , 29.060480671449] , [ 1188532800000 , 28.240998844973] , [ 1191124800000 , 33.004893194127] , [ 1193803200000 , 34.075180359928] , [ 1196398800000 , 32.548560664833] , [ 1199077200000 , 30.629727432728] , [ 1201755600000 , 28.642858788159] , [ 1204261200000 , 27.973575227842] , [ 1206936000000 , 27.393351882726] , [ 1209528000000 , 28.476095288523] , [ 1212206400000 , 29.29667866426] , [ 1214798400000 , 29.222333802896] , [ 1217476800000 , 28.092966093843] , [ 1220155200000 , 28.107159262922] , [ 1222747200000 , 25.482974832098] , [ 1225425600000 , 21.208115993834] , [ 1228021200000 , 20.295043095268] , [ 1230699600000 , 15.925754618401] , [ 1233378000000 , 17.162864628346] , [ 1235797200000 , 17.084345773174] , [ 1238472000000 , 22.246007102281] , [ 1241064000000 , 24.530543998509] , [ 1243742400000 , 25.084184918242] , [ 1246334400000 , 16.606166527358] , [ 1249012800000 , 17.239620011628] , [ 1251691200000 , 17.336739127379] , [ 1254283200000 , 25.478492475753] , [ 1256961600000 , 23.017152085245] , [ 1259557200000 , 25.617745423683] , [ 1262235600000 , 24.061133998642] , [ 1264914000000 , 23.223933318644] , [ 1267333200000 , 24.425887263937] , [ 1270008000000 , 35.501471156693] , [ 1272600000000 , 33.775013878676] , [ 1275278400000 , 30.417993630285] , [ 1277870400000 , 30.023598978467] , [ 1280548800000 , 33.327519522436] , [ 1283227200000 , 31.963388450371] , [ 1285819200000 , 30.498967232092] , [ 1288497600000 , 32.403696817912] , [ 1291093200000 , 31.47736071922] , [ 1293771600000 , 31.53259666241] , [ 1296450000000 , 41.760282761548] , [ 1298869200000 , 45.605771243237] , [ 1301544000000 , 39.986557966215] , [ 1304136000000 , 43.846330510051] , [ 1306814400000 , 39.857316881857] , [ 1309406400000 , 37.675127768208] , [ 1312084800000 , 35.775077970313] , [ 1314763200000 , 48.631009702577] , [ 1317355200000 , 42.830831754505] , [ 1320033600000 , 35.611502589362] , [ 1322629200000 , 35.320136981738] , [ 1325307600000 , 31.564136901516] , [ 1327986000000 , 32.074407502433] , [ 1330491600000 , 35.053013769976] , [ 1333166400000 , 26.434568573937] , [ 1335758400000 , 25.305617871002] , [ 1338436800000 , 24.520919418236]]
  } , 
  { 
    "key" : "Materials" , 
    "values" : [ [ 1138683600000 , 5.5806167415681] , [ 1141102800000 , 5.4539047069985] , [ 1143781200000 , 7.6728842432362] , [ 1146369600000 , 7.719946716654] , [ 1149048000000 , 8.0144619912942] , [ 1151640000000 , 7.942223133434] , [ 1154318400000 , 8.3998279827444] , [ 1156996800000 , 8.532324572605] , [ 1159588800000 , 4.7324285199763] , [ 1162270800000 , 4.7402397487697] , [ 1164862800000 , 4.9042069355168] , [ 1167541200000 , 5.9583963430882] , [ 1170219600000 , 6.3693899239171] , [ 1172638800000 , 6.261153903813] , [ 1175313600000 , 5.3443942184584] , [ 1177905600000 , 5.4932111235361] , [ 1180584000000 , 5.5747393101109] , [ 1183176000000 , 5.3833633060013] , [ 1185854400000 , 5.5125898831832] , [ 1188532800000 , 5.8116112661327] , [ 1191124800000 , 4.3962296939996] , [ 1193803200000 , 4.6967663605521] , [ 1196398800000 , 4.7963004350914] , [ 1199077200000 , 4.1817985183351] , [ 1201755600000 , 4.3797643870182] , [ 1204261200000 , 4.6966642197965] , [ 1206936000000 , 4.3609995132565] , [ 1209528000000 , 4.4736290996496] , [ 1212206400000 , 4.3749762738128] , [ 1214798400000 , 3.3274661194507] , [ 1217476800000 , 3.0316184691337] , [ 1220155200000 , 2.5718140204728] , [ 1222747200000 , 2.7034994044603] , [ 1225425600000 , 2.2033786591364] , [ 1228021200000 , 1.9850621240805] , [ 1230699600000 , 0] , [ 1233378000000 , 0] , [ 1235797200000 , 0] , [ 1238472000000 , 0] , [ 1241064000000 , 0] , [ 1243742400000 , 0] , [ 1246334400000 , 0] , [ 1249012800000 , 0] , [ 1251691200000 , 0] , [ 1254283200000 , 0.44495950017788] , [ 1256961600000 , 0.33945469262483] , [ 1259557200000 , 0.38348269455195] , [ 1262235600000 , 0] , [ 1264914000000 , 0] , [ 1267333200000 , 0] , [ 1270008000000 , 0] , [ 1272600000000 , 0] , [ 1275278400000 , 0] , [ 1277870400000 , 0] , [ 1280548800000 , 0] , [ 1283227200000 , 0] , [ 1285819200000 , 0] , [ 1288497600000 , 0] , [ 1291093200000 , 0] , [ 1293771600000 , 0] , [ 1296450000000 , 0.52216435716176] , [ 1298869200000 , 0.59275786698454] , [ 1301544000000 , 0] , [ 1304136000000 , 0] , [ 1306814400000 , 0] , [ 1309406400000 , 0] , [ 1312084800000 , 0] , [ 1314763200000 , 0] , [ 1317355200000 , 0] , [ 1320033600000 , 0] , [ 1322629200000 , 0] , [ 1325307600000 , 0] , [ 1327986000000 , 0] , [ 1330491600000 , 0] , [ 1333166400000 , 0] , [ 1335758400000 , 0] , [ 1338436800000 , 0]]
  } , 
  { 
    "key" : "Telecommunication Services" , 
    "values" : [ [ 1138683600000 , 3.7056975170243] , [ 1141102800000 , 3.7561118692318] , [ 1143781200000 , 2.861913700854] , [ 1146369600000 , 2.9933744103381] , [ 1149048000000 , 2.7127537218463] , [ 1151640000000 , 3.1195497076283] , [ 1154318400000 , 3.4066964004508] , [ 1156996800000 , 3.3754571113569] , [ 1159588800000 , 2.2965579982924] , [ 1162270800000 , 2.4486818633018] , [ 1164862800000 , 2.4002308848517] , [ 1167541200000 , 1.9649579750349] , [ 1170219600000 , 1.9385263638056] , [ 1172638800000 , 1.9128975336387] , [ 1175313600000 , 2.3412869836298] , [ 1177905600000 , 2.4337870351445] , [ 1180584000000 , 2.62179703171] , [ 1183176000000 , 3.2642864957929] , [ 1185854400000 , 3.3200396223709] , [ 1188532800000 , 3.3934212707572] , [ 1191124800000 , 4.2822327088179] , [ 1193803200000 , 4.1474964228541] , [ 1196398800000 , 4.1477082879801] , [ 1199077200000 , 5.2947122916128] , [ 1201755600000 , 5.2919843508028] , [ 1204261200000 , 5.1989783050309] , [ 1206936000000 , 3.5603057673513] , [ 1209528000000 , 3.3009087690692] , [ 1212206400000 , 3.1784852603792] , [ 1214798400000 , 4.5889503538868] , [ 1217476800000 , 4.401779617494] , [ 1220155200000 , 4.2208301828278] , [ 1222747200000 , 3.89396671475] , [ 1225425600000 , 3.0423832241354] , [ 1228021200000 , 3.135520611578] , [ 1230699600000 , 1.9631418164089] , [ 1233378000000 , 1.8963543874958] , [ 1235797200000 , 1.8266636017025] , [ 1238472000000 , 0.93136635895188] , [ 1241064000000 , 0.92737801918888] , [ 1243742400000 , 0.97591889805002] , [ 1246334400000 , 2.6841193805515] , [ 1249012800000 , 2.5664341140531] , [ 1251691200000 , 2.3887523699873] , [ 1254283200000 , 1.1737801663681] , [ 1256961600000 , 1.0953582317281] , [ 1259557200000 , 1.2495674976653] , [ 1262235600000 , 0.36607452464754] , [ 1264914000000 , 0.3548719047291] , [ 1267333200000 , 0.36769242398939] , [ 1270008000000 , 0] , [ 1272600000000 , 0] , [ 1275278400000 , 0] , [ 1277870400000 , 0] , [ 1280548800000 , 0] , [ 1283227200000 , 0] , [ 1285819200000 , 0.85450741275337] , [ 1288497600000 , 0.91360317921637] , [ 1291093200000 , 0.89647678692269] , [ 1293771600000 , 0.87800687192639] , [ 1296450000000 , 0] , [ 1298869200000 , 0] , [ 1301544000000 , 0.43668720882994] , [ 1304136000000 , 0.4756523602692] , [ 1306814400000 , 0.46947368328469] , [ 1309406400000 , 0.45138896152316] , [ 1312084800000 , 0.43828726648117] , [ 1314763200000 , 2.0820861395316] , [ 1317355200000 , 0.9364411075395] , [ 1320033600000 , 0.60583907839773] , [ 1322629200000 , 0.61096950747437] , [ 1325307600000 , 0] , [ 1327986000000 , 0] , [ 1330491600000 , 0] , [ 1333166400000 , 0] , [ 1335758400000 , 0] , [ 1338436800000 , 0]]
  } , 
  { 
    "key" : "Utilities" , 
    "values" : [ [ 1138683600000 , 0] , [ 1141102800000 , 0] , [ 1143781200000 , 0] , [ 1146369600000 , 0] , [ 1149048000000 , 0] , [ 1151640000000 , 0] , [ 1154318400000 , 0] , [ 1156996800000 , 0] , [ 1159588800000 , 0] , [ 1162270800000 , 0] , [ 1164862800000 , 0] , [ 1167541200000 , 0] , [ 1170219600000 , 0] , [ 1172638800000 , 0] , [ 1175313600000 , 0] , [ 1177905600000 , 0] , [ 1180584000000 , 0] , [ 1183176000000 , 0] , [ 1185854400000 , 0] , [ 1188532800000 , 0] , [ 1191124800000 , 0] , [ 1193803200000 , 0] , [ 1196398800000 , 0] , [ 1199077200000 , 0] , [ 1201755600000 , 0] , [ 1204261200000 , 0] , [ 1206936000000 , 0] , [ 1209528000000 , 0] , [ 1212206400000 , 0] , [ 1214798400000 , 0] , [ 1217476800000 , 0] , [ 1220155200000 , 0] , [ 1222747200000 , 0] , [ 1225425600000 , 0] , [ 1228021200000 , 0] , [ 1230699600000 , 0] , [ 1233378000000 , 0] , [ 1235797200000 , 0] , [ 1238472000000 , 0] , [ 1241064000000 , 0] , [ 1243742400000 , 0] , [ 1246334400000 , 0] , [ 1249012800000 , 0] , [ 1251691200000 , 0] , [ 1254283200000 , 0] , [ 1256961600000 , 0] , [ 1259557200000 , 0] , [ 1262235600000 , 0] , [ 1264914000000 , 0] , [ 1267333200000 , 0] , [ 1270008000000 , 0] , [ 1272600000000 , 0] , [ 1275278400000 , 0] , [ 1277870400000 , 0] , [ 1280548800000 , 0] , [ 1283227200000 , 0] , [ 1285819200000 , 0] , [ 1288497600000 , 0] , [ 1291093200000 , 0] , [ 1293771600000 , 0] , [ 1296450000000 , 0] , [ 1298869200000 , 0] , [ 1301544000000 , 0] , [ 1304136000000 , 0] , [ 1306814400000 , 0] , [ 1309406400000 , 0] , [ 1312084800000 , 0] , [ 1314763200000 , 0] , [ 1317355200000 , 0] , [ 1320033600000 , 0] , [ 1322629200000 , 0] , [ 1325307600000 , 0] , [ 1327986000000 , 0] , [ 1330491600000 , 0] , [ 1333166400000 , 0] , [ 1335758400000 , 0] , [ 1338436800000 , 0]]
  } 
];

/*
// for testing single data point
var histcatexplong = [
  {
    "key" : "Consumer Discretionary" ,
    "values" : [ [ 1138683600000 , 27.38478809681]]
  } ,
  {
    "key" : "Consumer Staples" ,
    "values" : [ [ 1138683600000 , 7.2800122043237]]
  } ,
  {
    "key" : "Energy" ,
    "values" : [ [ 1138683600000 , 1.544303464167]]
  } , 
  { 
    "key" : "Financials" , 
    "values" : [ [ 1138683600000 , 13.356778764352]]
  } , 
  { 
    "key" : "Health Care" , 
    "values" : [ [ 1138683600000 , 14.212410956029]]
  } , 
  { 
    "key" : "Industrials" , 
    "values" : [ [ 1138683600000 , 7.1590087090398]]
  } , 
  { 
    "key" : "Information Technology" , 
    "values" : [ [ 1138683600000 , 13.242301508051]]
  } , 
  { 
    "key" : "Materials" , 
    "values" : [ [ 1138683600000 , 5.5806167415681]]
  } , 
  { 
    "key" : "Telecommunication Services" , 
    "values" : [ [ 1138683600000 , 3.7056975170243]]
  } , 
  { 
    "key" : "Utilities" , 
    "values" : [ [ 1138683600000 , 0]]
  } 
];
*/


var histcatexpshort = [ 
  { 
    "key" : "Consumer Staples" , 
    "values" : [ [ 1138683600000 , 0] , [ 1141102800000 , 0] , [ 1143781200000 , 0] , [ 1146369600000 , 0] , [ 1149048000000 , 0] , [ 1151640000000 , 0] , [ 1154318400000 , 0] , [ 1156996800000 , 0] , [ 1159588800000 , 0] , [ 1162270800000 , 0] , [ 1164862800000 , 0] , [ 1167541200000 , -0.24102139376003] , [ 1170219600000 , -0.69960584365035] , [ 1172638800000 , -0.67365051426185] , [ 1175313600000 , 0] , [ 1177905600000 , 0] , [ 1180584000000 , 0] , [ 1183176000000 , -0.31429312464988] , [ 1185854400000 , -0.90018700397153] , [ 1188532800000 , -0.96926214328714] , [ 1191124800000 , -1.1343386468131] , [ 1193803200000 , -1.1335426595455] , [ 1196398800000 , -1.2327663032424] , [ 1199077200000 , -0.41027135492155] , [ 1201755600000 , -0.41779167524802] , [ 1204261200000 , -0.38133883625885] , [ 1206936000000 , 0] , [ 1209528000000 , -0.32550520320253] , [ 1212206400000 , -0.33185144615505] , [ 1214798400000 , -0.68609668877894] , [ 1217476800000 , -0.70001207744308] , [ 1220155200000 , -0.68378680840919] , [ 1222747200000 , -0.40908783182034] , [ 1225425600000 , -0.39074266525646] , [ 1228021200000 , -0.40358490474562] , [ 1230699600000 , -0.85752207262267] , [ 1233378000000 , -0.74395750438805] , [ 1235797200000 , -0.70718832429489] , [ 1238472000000 , -0.76244465406965] , [ 1241064000000 , -0.67618572591984] , [ 1243742400000 , -0.67649596761402] , [ 1246334400000 , -0.94618002703247] , [ 1249012800000 , -0.95408485581014] , [ 1251691200000 , -0.96272139504276] , [ 1254283200000 , 0] , [ 1256961600000 , 0] , [ 1259557200000 , 0] , [ 1262235600000 , 0] , [ 1264914000000 , 0] , [ 1267333200000 , 0] , [ 1270008000000 , -0.25516420149471] , [ 1272600000000 , -0.24106264576017] , [ 1275278400000 , -0.22802547751448] , [ 1277870400000 , -0.62187524046697] , [ 1280548800000 , -0.72155608677106] , [ 1283227200000 , -0.70221659944774] , [ 1285819200000 , -1.1117002584543] , [ 1288497600000 , -1.190911001336] , [ 1291093200000 , -1.1781082003972] , [ 1293771600000 , -1.2125860264875] , [ 1296450000000 , -1.7748010365657] , [ 1298869200000 , -1.8919594178596] , [ 1301544000000 , -1.7077946421533] , [ 1304136000000 , -2.024238803094] , [ 1306814400000 , -1.9769844081819] , [ 1309406400000 , -2.0730275464065] , [ 1312084800000 , -1.9690128240888] , [ 1314763200000 , -5.5557852269348] , [ 1317355200000 , -7.2527933190641] , [ 1320033600000 , -5.7367677053109] , [ 1322629200000 , -6.0409316206662] , [ 1325307600000 , -4.6511525539195] , [ 1327986000000 , -4.526116059083] , [ 1330491600000 , -4.846292325197] , [ 1333166400000 , -2.2663198779425] , [ 1335758400000 , -2.4172072568564] , [ 1338436800000 , -2.3204729601189]]
  } , 
  { 
    "key" : "Consumer Discretionary" , 
    "values" : [ [ 1138683600000 , -0.62238434102863] , [ 1141102800000 , -0.61484565039024] , [ 1143781200000 , -1.0769367918668] , [ 1146369600000 , -1.2221156604129] , [ 1149048000000 , -1.2434858263377] , [ 1151640000000 , -0.58606435489597] , [ 1154318400000 , -0.61478911495141] , [ 1156996800000 , -0.61429362688591] , [ 1159588800000 , -1.1168614112788] , [ 1162270800000 , -1.1510268716612] , [ 1164862800000 , -1.1104724164222] , [ 1167541200000 , -1.2298338563471] , [ 1170219600000 , -1.5053664389104] , [ 1172638800000 , -1.5535266372193] , [ 1175313600000 , -3.1690472535854] , [ 1177905600000 , -3.1273013967041] , [ 1180584000000 , -3.155466271777] , [ 1183176000000 , -3.7158562579437] , [ 1185854400000 , -3.8244546635586] , [ 1188532800000 , -3.5524464859972] , [ 1191124800000 , -3.0472339109128] , [ 1193803200000 , -3.064978140815] , [ 1196398800000 , -3.0818130124986] , [ 1199077200000 , -2.9806791138312] , [ 1201755600000 , -3.7360958775824] , [ 1204261200000 , -3.4687841733263] , [ 1206936000000 , -3.3702018615806] , [ 1209528000000 , -3.1982756208679] , [ 1212206400000 , -3.0489433155104] , [ 1214798400000 , -3.7008275605963] , [ 1217476800000 , -3.8980507260892] , [ 1220155200000 , -3.7680083260241] , [ 1222747200000 , -3.2061890012391] , [ 1225425600000 , -2.6727551440484] , [ 1228021200000 , -2.4469327462935] , [ 1230699600000 , -3.0192419668784] , [ 1233378000000 , -2.892958553476] , [ 1235797200000 , -3.1153570053479] , [ 1238472000000 , -2.9927580570711] , [ 1241064000000 , -3.5061796706294] , [ 1243742400000 , -3.2944159516725] , [ 1246334400000 , -3.4154213240617] , [ 1249012800000 , -3.6492125438171] , [ 1251691200000 , -3.6674164998394] , [ 1254283200000 , -4.6271484977727] , [ 1256961600000 , -4.2433407292676] , [ 1259557200000 , -4.4742625247274] , [ 1262235600000 , -5.2078214612359] , [ 1264914000000 , -5.2209579214469] , [ 1267333200000 , -5.4596395756061] , [ 1270008000000 , -5.6906459276584] , [ 1272600000000 , -6.4981737808665] , [ 1275278400000 , -6.2563044048578] , [ 1277870400000 , -6.175479487959] , [ 1280548800000 , -6.6641002427295] , [ 1283227200000 , -6.3648667745556] , [ 1285819200000 , -5.0270168607884] , [ 1288497600000 , -5.1186072976233] , [ 1291093200000 , -5.1127601587872] , [ 1293771600000 , -5.3015262972641] , [ 1296450000000 , -4.4295728671596] , [ 1298869200000 , -4.5488139745696] , [ 1301544000000 , -2.9021260315957] , [ 1304136000000 , -3.1482096241139] , [ 1306814400000 , -2.8648831814763] , [ 1309406400000 , -2.8149423433441] , [ 1312084800000 , -2.6350669145713] , [ 1314763200000 , -5.9871754759038] , [ 1317355200000 , -8.6127555816399] , [ 1320033600000 , -7.0712887348892] , [ 1322629200000 , -7.3930257999857] , [ 1325307600000 , -6.5183071556304] , [ 1327986000000 , -7.4388913793503] , [ 1330491600000 , -8.2134465182649] , [ 1333166400000 , -7.7836036697105] , [ 1335758400000 , -8.0955053683936] , [ 1338436800000 , -8.0981845818893]]
  } , 
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    "values" : [ [ 1138683600000 , 0] , [ 1141102800000 , 0] , [ 1143781200000 , -0.077395192503573] , [ 1146369600000 , -0.079342784160835] , [ 1149048000000 , -0.07376956808809] , [ 1151640000000 , -0.041850521681201] , [ 1154318400000 , -0.037598545052499] , [ 1156996800000 , -0.040984079427717] , [ 1159588800000 , -0.19335817797448] , [ 1162270800000 , -0.18578493919925] , [ 1164862800000 , -0.1769473933101] , [ 1167541200000 , -0.57245352054975] , [ 1170219600000 , -0.61554187332911] , [ 1172638800000 , -0.63016714701151] , [ 1175313600000 , 0] , [ 1177905600000 , 0] , [ 1180584000000 , 0] , [ 1183176000000 , -0.12118014109021] , [ 1185854400000 , -0.11085831487208] , [ 1188532800000 , -0.10901265358445] , [ 1191124800000 , -0.17205583275088] , [ 1193803200000 , -0.16573676303991] , [ 1196398800000 , -0.17954841680392] , [ 1199077200000 , -0.82703336198161] , [ 1201755600000 , -0.76741763304227] , [ 1204261200000 , -0.79430844816827] , [ 1206936000000 , -1.0279404050708] , [ 1209528000000 , -1.0342425093761] , [ 1212206400000 , -1.0903083860383] , [ 1214798400000 , -1.0895432841007] , [ 1217476800000 , -1.1392703218146] , [ 1220155200000 , -0.98872086340391] , [ 1222747200000 , -1.227654651568] , [ 1225425600000 , -1.0527419580394] , [ 1228021200000 , -0.84338280322309] , [ 1230699600000 , -0.5982617279246] , [ 1233378000000 , -0.74123723862634] , [ 1235797200000 , -0.81665712408277] , [ 1238472000000 , -0.89868760705228] , [ 1241064000000 , -0.86338472153689] , [ 1243742400000 , -0.85040889603889] , [ 1246334400000 , -0.82872733882926] , [ 1249012800000 , -1.2797824676355] , [ 1251691200000 , -1.152043882336] , [ 1254283200000 , -0.70125890680538] , [ 1256961600000 , -0.69496338525418] , [ 1259557200000 , -0.81982038022784] , [ 1262235600000 , -0.42841700219624] , [ 1264914000000 , -0.43298861575253] , [ 1267333200000 , -0.46951194437705] , [ 1270008000000 , -0.46723980191721] , [ 1272600000000 , -0.43139262322841] , [ 1275278400000 , -0.4052075794202] , [ 1277870400000 , -0.45399431179247] , [ 1280548800000 , -0.50492374473014] , [ 1283227200000 , -0.49032976375464] , [ 1285819200000 , -0.95769381063728] , [ 1288497600000 , -0.92968381683254] , [ 1291093200000 , -0.90984207437415] , [ 1293771600000 , -0.91448295661871] , [ 1296450000000 , -1.3204103334172] , [ 1298869200000 , -1.3896989018] , [ 1301544000000 , -1.8536993972883] , [ 1304136000000 , -1.9901582471947] , [ 1306814400000 , -1.8731097808809] , [ 1309406400000 , -1.8109819859122] , [ 1312084800000 , -1.7946593386661] , [ 1314763200000 , -1.6002716669781] , [ 1317355200000 , -0.056479286204019] , [ 1320033600000 , -0.046232413998891] , [ 1322629200000 , -0.051182355563531] , [ 1325307600000 , -0.032858749040145] , [ 1327986000000 , -0.032326418106178] , [ 1330491600000 , -0.033980477379241] , [ 1333166400000 , -0.053069550536519] , [ 1335758400000 , -0.055741850564434] , [ 1338436800000 , -0.055851808568252]]
  } , 
  { 
    "key" : "Utilities" , 
    "values" : [ [ 1138683600000 , 0] , [ 1141102800000 , 0] , [ 1143781200000 , -0.073769471773675] , [ 1146369600000 , -0.077824496315782] , [ 1149048000000 , -0.080696288096361] , [ 1151640000000 , 0] , [ 1154318400000 , 0] , [ 1156996800000 , 0] , [ 1159588800000 , 0] , [ 1162270800000 , 0] , [ 1164862800000 , 0] , [ 1167541200000 , 0] , [ 1170219600000 , 0] , [ 1172638800000 , 0] , [ 1175313600000 , 0] , [ 1177905600000 , 0] , [ 1180584000000 , 0] , [ 1183176000000 , -0.16073291656515] , [ 1185854400000 , -0.1646253606633] , [ 1188532800000 , -0.1655815581449] , [ 1191124800000 , -0.74417496631713] , [ 1193803200000 , -0.76230340423681] , [ 1196398800000 , -0.73882938190048] , [ 1199077200000 , -0.3820573391806] , [ 1201755600000 , -0.360757285179] , [ 1204261200000 , -0.38081058463615] , [ 1206936000000 , -0.92767439811083] , [ 1209528000000 , -0.92774728028789] , [ 1212206400000 , -0.85273481694714] , [ 1214798400000 , -1.69407085613] , [ 1217476800000 , -1.5179726219101] , [ 1220155200000 , -1.3576700600738] , [ 1222747200000 , -1.0404839864076] , [ 1225425600000 , -0.95251478838915] , [ 1228021200000 , -1.0610509118017] , [ 1230699600000 , -0.3316792294278] , [ 1233378000000 , -0.33745002288524] , [ 1235797200000 , -0.28806366796683] , [ 1238472000000 , 0] , [ 1241064000000 , 0] , [ 1243742400000 , 0] , [ 1246334400000 , -0.6338555382785] , [ 1249012800000 , -0.62797265130959] , [ 1251691200000 , -0.60264057253794] , [ 1254283200000 , -0.28687231077181] , [ 1256961600000 , -0.22215649778327] , [ 1259557200000 , -0.24027664555676] , [ 1262235600000 , 0] , [ 1264914000000 , 0] , [ 1267333200000 , 0] , [ 1270008000000 , 0] , [ 1272600000000 , 0] , [ 1275278400000 , 0] , [ 1277870400000 , 0] , [ 1280548800000 , 0] , [ 1283227200000 , 0] , [ 1285819200000 , 0] , [ 1288497600000 , 0] , [ 1291093200000 , 0] , [ 1293771600000 , 0] , [ 1296450000000 , 0] , [ 1298869200000 , 0] , [ 1301544000000 , 0] , [ 1304136000000 , 0] , [ 1306814400000 , 0] , [ 1309406400000 , 0] , [ 1312084800000 , 0] , [ 1314763200000 , 0] , [ 1317355200000 , 0] , [ 1320033600000 , 0] , [ 1322629200000 , 0] , [ 1325307600000 , 0] , [ 1327986000000 , 0] , [ 1330491600000 , 0] , [ 1333166400000 , 0] , [ 1335758400000 , 0] , [ 1338436800000 , 0]]
  } 
];

/*
.map(function(series) {
  series.values = series.values.map(function(d) {
    return { x: d[0], y: d[1] }
  });
  return series;
});
*/

//an example of harmonizing colors between visualizations
//observe that Consumer Discretionary and Consumer Staples have 
//been flipped in the second chart
var colors = d3.scale.category20();
keyColor = function(d, i) {return colors(d.key)};

var chart;
nv.addGraph(function() {
  chart = nv.models.stackedAreaChart()
               // .width(600).height(500)
                .useInteractiveGuideline(true)
                .x(function(d) { return d[0] })
                .y(function(d) { return d[1] })
                .color(keyColor)
                .transitionDuration(300);
                //.clipEdge(true);

// chart.stacked.scatter.clipVoronoi(false);

  chart.xAxis
      .tickFormat(function(d) { return d3.time.format('%x')(new Date(d)) });

  chart.yAxis
      .tickFormat(d3.format(',.2f'));

  d3.select('#chart1')
    .datum(histcatexplong)
    .transition().duration(0)
    .call(chart);

  nv.utils.windowResize(chart.update);

  chart.dispatch.on('stateChange', function(e) { nv.log('New State:', JSON.stringify(e)); });

  return chart;
});

nv.addGraph(function() {
  var chart = nv.models.stackedAreaChart()
                .x(function(d) { return d[0] })
                .y(function(d) { return d[1] })
                .color(keyColor)
                ;
                //.clipEdge(true);

  chart.xAxis
      .tickFormat(function(d) { return d3.time.format('%x')(new Date(d)) });

  chart.yAxis
      .tickFormat(d3.format(',.2f'));

  d3.select('#chart2')
    .datum(histcatexpshort)
      .call(chart);

  nv.utils.windowResize(chart.update);

  return chart;
});


</script>