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Coverage

56,681 of 56,681 columns decided — 100.0% · 12,642 bound (22.3%) · 0 still unread

Bound: 12,642; 22.3%; a concept was found and asserted for the column.
Refused: 32,953; 58.1%; the column was read and no concept fits. A verdict, not a gap.
Insufficient: 11,086; 19.6%; read, but the evidence did not settle it.
Unanalysed: 0; 0.0%; nobody has read this column yet.

56,681 columns in the coverage ledger · read from /api/field-coverage on citytap-prod · source last observed Oct 12, 2026, 2:28 PM

Where the unread columns are

3,026 datasets, 56,681 catalogued fields, 0 of them still unread. Every band below is a share of that, worst first. Open one to see its datasets.

2019 Green Taxi Trip Data

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← What we have understood · Dataset page

Fields catalogued

Understood

Checked, no match

Nobody has looked

Every field decided — Every field carries a verdict — which does not mean every field is understood.

Every field in this dataset

Covered and uncovered alike, in the order the publisher lists them. A field with no verdict is one nobody has looked at yet.

Field	Type	What we know	Meaning	How it was decided	Shared term
dolocationid DOLocationID	Number	Checked, no match	—	value_domain_read top[8 of 20]={74×70585; 42×66605; 75×57379; 41×55411; 166×32768; 129×29626; 7×28831; 61×27759}	—
tip_amount	Number	Understood	quantity.money Monetary amount	value_domain_read top[8 of 20]={6×57774; 6.5×57217; 5.5×56351; 7×54811; 5×51778; 7.5×50856; 8×48470; 8.5×43284}	—
store_and_fwd_flag	Text	Checked, no match	—	value_domain_read top[4]={false×2688; true×1207; FALSE×18; TRUE×1}	—
congestion_surcharge	Text	Understood	quantity.money Monetary amount	value_domain_read top[8 of 9]={0×4346092; 2.75×732668; 2.5×4651; 0.75×73; -2.75×72; 2×2; -2.5×1; -0.75×1}	—
tolls_amount	Number	Understood	quantity.money Monetary amount	value_domain_read top[8 of 20]={6×57774; 6.5×57217; 5.5×56351; 7×54811; 5×51778; 7.5×50856; 8×48470; 8.5×43284}	—
improvement_surcharge	Number	Not enough to tell	—	value_domain_read	—
ratecodeid RatecodeID	Number	Not enough to tell	—	value_domain_read	—
pulocationid PULocationID	Number	Checked, no match	—	value_domain_read top[8 of 20]={74×70585; 42×66605; 75×57379; 41×55411; 166×32768; 129×29626; 7×28831; 61×27759}	—
fare_amount	Number	Understood	quantity.money Monetary amount	value_domain_read top[8 of 20]={6×57774; 6.5×57217; 5.5×56351; 7×54811; 5×51778; 7.5×50856; 8×48470; 8.5×43284}	—
extra	Number	Understood	quantity.money Monetary amount	value_domain_read top[8 of 20]={6×57774; 6.5×57217; 5.5×56351; 7×54811; 5×51778; 7.5×50856; 8×48470; 8.5×43284}	—
passenger_count	Number	Not enough to tell	—	value_profile	—
ehail_fee	Text	Not enough to tell	—	value_domain_read	—
payment_type	Number	Not enough to tell	—	value_domain_read	—
lpep_dropoff_datetime	Calendar date	Not enough to tell	—	value_profile	—
mta_tax	Number	Not enough to tell	—	value_domain_read	—
trip_distance	Number	Checked, no match	—	value_domain_read top[8 of 20]={0.00×64475; 0.90×12136; 1.00×11865; 1.20×11427; 0.80×11388; 1.10×11338; 1.30×10952; 1.40×10773}	—
lpep_pickup_datetime	Calendar date	Not enough to tell	—	value_profile	—
trip_type	Number	Not enough to tell	—	value_domain_read	—
total_amount	Number	Not enough to tell	—	value_domain_read	—
vendorid VendorID	Number	Checked, no match	—	value_domain_read top[2]={2×956145; 1×254666}	—