With 7.36 official Dota API stopped working.
Waiting for the fix for now and updating stuff to 7.36.
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HeroPickedWinrate
magnataurMagnus1952.63%

Items category:
Explain this to me
Winrate shifts are differences in winrate compared to the item's winrate overall. Values are for when the item wasn't bought, early (Q1) and late (Q3) timings (higher is better). Winrate gradient per minute shows how winrate changes with every minute of the item's delayed purchase timing. Item timings values can be used to restore the normal distribution chart, where Q1, median and Q3 mean the first, second and third quantiles respectively.
Columns
TotalWinrate shiftsTimings
ItemPickupsPickup rateRankWinrateWhen pickedEarlyLateGradient (%/min)MeanMinQ1MedianQ3MaxWindowStd.Dev
black_king_barBlack King Bar1684.21%100.062.50%+62.50%+37.50%+12.50%-4.62%29:2623:3225:2028:3530:4548:4305:2504:00
blinkBlink Dagger1894.74%90.055.56%+55.56%+24.44%-30.56%-22.00%14:1710:1012:2313:3914:5324:0802:3001:51
magic_wandMagic Wand1473.68%80.057.14%+17.14%+17.86%-23.81%-5.21%12:2604:0207:1012:5515:1028:3108:0005:55
bootsBoots of Speed19100.00%70.052.63%+52.63%-12.63%-12.63%0.00%03:3901:1602:2903:0703:1410:0300:4500:33
arcane_bootsArcane Boots19100.00%60.052.63%+52.63%+7.37%-12.63%-9.30%07:4605:1105:5207:2108:0116:1802:0901:35
magic_stickMagic Stick842.11%50.062.50%+17.05%+37.50%-12.50%0.00%06:2400:4602:1206:2008:0112:1605:4904:18
refresherRefresher Orb631.58%40.050.00%-3.85%0.00%-50.00%0.00%44:4239:0641:4442:4045:5753:2904:1303:07
mask_of_madnessMask of Madness15.26%30.0100.00%0.00%0.00%0.00%0.00%44:4644:4644:4644:4644:4644:4600:0000:00
stout_shieldStout Shield631.58%20.033.33%-28.21%-33.33%-33.33%0.00%-11:02-12:43-12:25-11:28-09:27-08:5302:5802:11
ghostGhost Scepter15.26%10.00.00%0.00%0.00%0.00%0.00%1:03:561:03:561:03:561:03:561:03:561:03:5600:0000:00