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 “ZIP+4 trimmed”, junk only, lowest dq score first

All ENR CLM TPA PRV

Junk onlyFlagZIP+4 trimmedClear

Record	Source	Name	DOB	Member ID	Phone	Address	Quality score	Flags
ENR-125377	ENR	Sharon NJunk	1953-02-19	UHC-70918-57	5476231979	5356 Spring St Apt 37, Denver, CO, 80211	0.20	Name re-cased Phone reformatted Member ID reformatted Unit split from street+6 more
ENR-118357	ENR	FatimaJunk	1985-07-28	UHC-18372-48	—	7311 Sage Ct Apt 9, Fresno, CA, 93791	0.22	Two-digit birth year Unit split from street Street suffix standardised Address re-cased+5 more
ENR-118421	ENR	GeraldJunk	1975-03-15	UHC-76960-16	2896459059	5589 Indian School Rd, Plano, TX, 75022	0.34	Phone reformatted Member ID reformatted Street suffix standardised Address re-cased+5 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-136020	ENR	MJunk	2002-07-06	—	5888856497	2512 Pine Dr, Phoenix, AZ, 85039	0.42	Street suffix standardised Address re-cased State name converted to code ZIP+4 trimmed+1 more
ENR-132091	ENR	—Junk	1954-10-10	UHC-35421-78	9599179021	8938 Union St, Gilbert, AZ, 85212	0.46	Date of birth reformatted Phone reformatted Street suffix standardised Address re-cased+5 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-125990	ENR	EvelynJunk	1943-05-11	UHC-35484-18	5483691340	4609 Desert Sky Blvd, Tempe, AZ, 85213	0.52	Phone reformatted Street suffix standardised Address re-cased ZIP+4 trimmed+2 more
ENR-141235	ENR	—Junk	2002-09-26	UHC-55937-60	4228573147	5295 Main St, Mesa, AZ, 85241	0.52	Phone reformatted Street suffix standardised Address re-cased ZIP+4 trimmed+2 more
ENR-101141	ENR	Joan IJunk	1949-03-16	—	—	573 Willow Ct, Plano, TX, 75001	0.54	Street suffix standardised Address re-cased ZIP+4 trimmed Placeholder values cleared+1 more
ENR-137631	ENR	—Junk	1961-01-16	UHC-52644-64	7754283009	2216 Oak St, Sacramento, CA, 95850	0.56	Street suffix standardised Address re-cased ZIP+4 trimmed No usable name (quarantined)
ENR-127931	ENR	JJunk	1957-07-09	UHC-47898-35	8826073302	7361 Main St, Columbus, OH, 43276	0.64	Date of birth reformatted Phone reformatted City re-cased ZIP+4 trimmed+2 more
ENR-131160	ENR	JohnJunk	1973-04-09	UHC-51662-47	5338158149	4512 Mountain View Dr, Nashville, TN, 37243	0.64	Name re-cased Date of birth reformatted Phone reformatted Member ID reformatted+2 more
ENR-141209	ENR	Bradley HJunk	1967-06-08	UHC-08456-54	2419496475	553 Highland Ave, San Diego, CA, 92129	0.66	Phone reformatted Member ID reformatted City re-cased ZIP+4 trimmed+1 more
ENR-107681	ENR	FJunk	1992-05-19	UHC-36150-61	4604583191	3691 Lincoln Way, Minneapolis, MN, 55469	0.66	Phone reformatted City re-cased ZIP+4 trimmed Whitespace trimmed+1 more
ENR-142595	ENR	ShirleyJunk	1949-03-16	UHC-56574-44	3376321598	4682 Ocean Ave, Columbus, OH, 43208	0.68	Date of birth reformatted ZIP+4 trimmed Placeholder values cleared No usable name (quarantined)
ENR-106700	ENR	RJunk	2007-10-14	UHC-62604-42	7694062116	4464 Ridge Rd, Seattle, WA, 98162	0.68	Phone reformatted ZIP+4 trimmed Email lower-cased No usable name (quarantined)

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