Normalised records

Normalised records (silver)

Each raw row is parsed into consistently formatted fields. Every change from the raw value is recorded as a data-quality flag.

Normalised rows

99,495

usable in matching

Flagged rows

99,881

99.9% carry at least one flag

Junk quarantined

505

no usable last name

Average quality score

0.75

1.00 = no corrections needed

Quality flags

What normalisation had to do, and how often. Select a flag to filter the table.

Placeholder values cleared71,257
Placeholder tokens such as NULL, N/A, UNKNOWN or "-" treated as empty
Whitespace trimmed57,061
Leading or trailing whitespace removed from one or more fields
Address re-cased56,490
Street line re-cased and punctuation removed
Street suffix standardised55,824
Street suffix standardised to USPS abbreviation (Street to St, Avenue to Ave, and so on)
Phone reformatted50,244
Phone reduced to ten digits, punctuation and leading country code removed
Name re-cased39,996
Name letter-case rewritten to Title Case and stray characters removed
Date of birth reformatted32,400
Date of birth rewritten to ISO 8601 from a source format (MM/DD/YYYY, YYYYMMDD, Mon D, YYYY)
City re-cased17,850
City re-cased to Title Case
Gender normalised16,828
Gender mapped to F or M from a longer or variant value
Email lower-cased11,635
Email lower-cased
Name split from “Last, First”9,980
First-name field held "LAST, FIRST"; the two parts were split into their own fields
State name converted to code9,084
Full state name replaced by its two-letter USPS code
ZIP+4 trimmed8,263
ZIP+4 trimmed to the five-digit ZIP
Member ID reformatted7,723
Member ID re-hyphenated and upper-cased to the UHC-#####-## pattern
ZIP missing7,146
Street address present but no ZIP supplied
Unit split from street6,994
Apartment, suite or unit designator split from street line and re-appended in standard form
Two-digit birth year6,661
Date of birth carried a two-digit year; century inferred by pivot
State code upper-cased4,010
Two-letter state code upper-cased
Plan code upper-cased3,278
Plan code upper-cased
SSN last four extracted2,817
Last four digits of SSN extracted from a longer or punctuated value
Date of birth unreadable2,274
Date of birth did not match any known format or was out of range; cleared
Phone missing area code2,021
Phone had only seven digits (no area code); cleared
Middle initial moved out of first name1,125
A single middle initial was embedded in the first-name field and moved to middle name
Date of birth missing990
Date of birth absent or a null token; left empty
No usable name (quarantined)505
No usable last name; record quarantined as junk and excluded from matching

Normalised records

Enrollment, flag “State code upper-cased”, junk only, lowest dq score first

All ENR CLM TPA PRV

Junk onlyFlagState code upper-casedClear

Record	Source	Name	DOB	Member ID	Phone	Address	Quality score	Flags
ENR-103498	ENR	ElizabethJunk	1949-02-13	UHC-51524-84	9452067176	3180 River Rd, Gilbert, AZ, 85221	0.32	Name re-cased Date of birth reformatted SSN last four extracted Street suffix standardised+6 more
ENR-100478	ENR	NJunk	1951-03-21	UHC-94513-70	4908389410	9531 Central Ave, Atlanta, GA, 30370	0.38	Two-digit birth year Street suffix standardised Address re-cased State code upper-cased+3 more
ENR-106713	ENR	AJunk	1961-10-25	UHC-64703-56	4732937664	870 Market St, Orlando, FL, 32832	0.46	Date of birth reformatted Member ID reformatted Street suffix standardised Address re-cased+5 more
ENR-130458	ENR	VJunk	1999-05-04	UHC-41301-41	7663542743	2788 Sage Ct, Plano, TX, 75035	0.50	Date of birth reformatted Street suffix standardised Address re-cased State code upper-cased+3 more
ENR-121845	ENR	Christopher RJunk	1963-03-15	UHC-54205-35	—	5048 Indian School Rd, Las Vegas, NV	0.50	Street suffix standardised Address re-cased State code upper-cased ZIP missing+3 more
ENR-122015	ENR	JaniceJunk	1981-01-11	UHC-29648-88	—	8146 Lincoln Way, Tucson, AZ, 85736	0.58	Name re-cased Date of birth reformatted Street suffix standardised Address re-cased+5 more
ENR-122129	ENR	—Junk	1978-03-13	UHC-39687-17	4452292900	2215 Valley View Dr, Orlando, FL, 32858	0.62	Phone reformatted Street suffix standardised Address re-cased City re-cased+3 more
ENR-108276	ENR	Sarah TJunk	1944-05-16	UHC-34036-57	4464659395	9320 Maple Ave, Orlando, FL, 32813	0.64	Phone reformatted Street suffix standardised Address re-cased State code upper-cased+2 more
ENR-119907	ENR	Adam MJunk	2008-10-07	UHC-57645-54	2343159020	2956 Sage Ct, Minneapolis, MN, 55474	0.66	Name re-cased State code upper-cased Gender normalised Whitespace trimmed+1 more
ENR-105959	ENR	RachelJunk	1954-08-12	UHC-44054-68	6135367989	2152 Oak St, Orlando, FL, 32871	0.76	Date of birth reformatted City re-cased State code upper-cased Whitespace trimmed+2 more
ENR-130384	ENR	Mark DJunk	1950-01-25	UHC-83933-09	7448255384	4811 Pine Dr, Seattle, WA, 98125	0.78	City re-cased State code upper-cased Whitespace trimmed Placeholder values cleared+1 more
ENR-117383	ENR	—Junk	1943-04-24	UHC-63370-08	6836712964	4161 Apache Blvd, Columbus, OH, 43229	0.80	Date of birth reformatted State code upper-cased Email lower-cased No usable name (quarantined)
ENR-105769	ENR	RaymondJunk	1952-03-09	UHC-79674-32	—	6547 Sunset Blvd, Columbus, OH, 43276	0.80	State code upper-cased Whitespace trimmed Placeholder values cleared No usable name (quarantined)
ENR-141131	ENR	Valentina ZJunk	1963-07-07	UHC-41018-29	7808141056	9825 Park Pl, Miami, FL, 33109	0.80	Phone reformatted State code upper-cased Whitespace trimmed No usable name (quarantined)
ENR-102649	ENR	—Junk	1980-06-16	UHC-06610-99	3988327616	4070 Apache Blvd, Jacksonville, FL, 32247	0.80	Phone reformatted Member ID reformatted State code upper-cased No usable name (quarantined)
ENR-124079	ENR	BJunk	1960-09-08	UHC-60111-50	6747520478	3654 Washington St, Tampa, FL, 33609	0.82	Phone reformatted State code upper-cased No usable name (quarantined)
ENR-118152	ENR	PJunk	1954-02-08	UHC-37521-41	2485613595	6364 Maple Ave, Seattle, WA, 98142	0.82	State code upper-cased Whitespace trimmed No usable name (quarantined)

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