Conformal coverage
Empirical coverage of each conformal method on held-out trips, overall and by bin, borough and hour, with mean interval width (lower end clipped at 0) and a 95% interval from a bootstrap that resamples whole test days (B = 2,000, seed 20190101).
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| schemeTEXT | methodTEXT | levelREAL | group_typeTEXT | group_valueTEXT | tripsINTEGER | coveredINTEGER | mean_widthREAL | daysINTEGER | ci_lowREAL | ci_highREAL |
|---|---|---|---|---|---|---|---|---|---|---|
| random | global | 0.8 | borough_bin | 35 | 934 | 597 | 18.73941525631057 | 162 | 0.6017108494596225 | 0.6759434846473437 |
| random | global | 0.8 | borough_bin | 36 | 1011 | 647 | 18.739415256310537 | 173 | 0.6112190987298234 | 0.6680121411616395 |
| random | global | 0.8 | borough_bin | 37 | 994 | 549 | 18.739415256310544 | 249 | 0.5231547631073846 | 0.5796977633848299 |
| random | global | 0.8 | borough_bin | 38 | 1037 | 571 | 18.73941525631053 | 267 | 0.5193847350447262 | 0.5830267295597483 |
| random | global | 0.8 | borough_bin | 39 | 914 | 368 | 18.739415256310576 | 208 | 0.36927208264299316 | 0.43503901898071345 |
| random | global | 0.8 | borough_bin | 40 | 258 | 71 | 18.699900029464054 | 188 | 0.2217300033189512 | 0.32661491132245213 |
| random | mondrian | 0.8 | all | all | 7497013 | 5997663 | 20.30748185725773 | 347 | 0.7982603162648381 | 0.801731625542834 |
| random | mondrian | 0.8 | bin | 0 | 746041 | 596923 | 13.971567056527409 | 347 | 0.7963155873849368 | 0.8039830892557043 |
| random | mondrian | 0.8 | bin | 1 | 751838 | 601925 | 15.747104088341334 | 346 | 0.7978460451617826 | 0.8033968365682029 |
| random | mondrian | 0.8 | bin | 2 | 749162 | 598736 | 17.134974716086358 | 347 | 0.7959463486746805 | 0.8022814908820771 |
| random | mondrian | 0.8 | bin | 3 | 736694 | 589600 | 17.877774637646617 | 346 | 0.7974194474112489 | 0.8030437818386162 |
| random | mondrian | 0.8 | bin | 4 | 761776 | 609035 | 18.24931973415939 | 346 | 0.796804041775605 | 0.8022289368006803 |
| random | mondrian | 0.8 | bin | 5 | 752116 | 601896 | 19.103986040199075 | 345 | 0.7974118571093963 | 0.8030570638018611 |
| random | mondrian | 0.8 | bin | 6 | 738417 | 590332 | 19.771836288806384 | 347 | 0.7965071646126919 | 0.8020143993591022 |
| random | mondrian | 0.8 | bin | 7 | 761703 | 609609 | 20.711278566603145 | 345 | 0.7975465232640452 | 0.8028148432530354 |
| random | mondrian | 0.8 | bin | 8 | 751753 | 601784 | 24.05532530897113 | 346 | 0.7977625827431079 | 0.8031313210198862 |
| random | mondrian | 0.8 | bin | 9 | 747513 | 597823 | 36.44863401611276 | 346 | 0.7944624838096702 | 0.8048179179129438 |
| random | mondrian | 0.8 | borough | Manhattan | 6899923 | 5543996 | 19.144888047505784 | 347 | 0.80182362913622 | 0.8051268038628459 |
| random | mondrian | 0.8 | borough | Brooklyn | 80900 | 60569 | 29.186095828115462 | 346 | 0.744322444354483 | 0.7530893720871746 |
| random | mondrian | 0.8 | borough | Queens | 506029 | 387226 | 34.76029698977337 | 346 | 0.759174823726119 | 0.7710400594111816 |
| random | mondrian | 0.8 | borough | Bronx | 9903 | 5802 | 19.389160619135986 | 344 | 0.5743113905438728 | 0.5980378260371306 |
| random | mondrian | 0.8 | borough | Staten Island | 258 | 70 | 16.735574141858685 | 188 | 0.21456766917293232 | 0.3305102255217818 |
| random | mondrian | 0.8 | hour | 00 | 221721 | 173799 | 19.703892854078017 | 345 | 0.7807669382026003 | 0.7869331961008054 |
| random | mondrian | 0.8 | hour | 01 | 153861 | 122281 | 18.846966833514816 | 345 | 0.7909775949451161 | 0.7983757048335358 |
| random | mondrian | 0.8 | hour | 02 | 106424 | 85085 | 19.06990241175412 | 344 | 0.7955667369121224 | 0.8033621190987085 |