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 “Two-digit birth year”, junk only, lowest dq score first

All ENR CLM TPA PRV

Junk onlyFlagTwo-digit birth yearClear

Record	Source	Name	DOB	Member ID	Phone	Address	Quality score	Flags
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-110829	ENR	UJunk	2001-06-04	UHC-23105-74	2829510467	8683 Oak St, Tempe, AZ	0.36	Two-digit birth year Phone reformatted Member ID reformatted Street suffix standardised+4 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-141664	ENR	Dylan HJunk	2003-08-15	—	5559234313	4658 Valley View Dr, Los Angeles, CA, 90028	0.38	Name re-cased Two-digit birth year Street suffix standardised Address re-cased+3 more
ENR-107585	ENR	—Junk	1949-09-01	UHC-94190-94	4083015876	5716 Canyon Rd, Sacramento, CA, 95857	0.40	Two-digit birth year Street suffix standardised Address re-cased Gender normalised+2 more
ENR-128740	ENR	VincentJunk	1990-12-24	UHC-51856-42	9089137181	8425 Jefferson Ave, Nashville, TN, 37245	0.44	Name re-cased Two-digit birth year Phone reformatted Member ID reformatted+6 more
ENR-129741	ENR	XJunk	1993-09-06	UHC-00455-39	5858741769	592 Jefferson Ave, Charlotte, NC, 28281	0.48	Two-digit birth year Phone reformatted Street suffix standardised Address re-cased+4 more
ENR-138160	ENR	JohnJunk	1997-05-03	UHC-54344-81	5745986144	2081 Spring St, Columbus, OH, 43296	0.48	Name re-cased Two-digit birth year Phone reformatted Street suffix standardised+4 more
ENR-111732	ENR	LoganJunk	1994-07-22	UHC-07950-97	4009736982	9605 Canyon Rd, Mesa, AZ, 85203	0.48	Two-digit birth year Phone reformatted Member ID reformatted Street suffix standardised+4 more
ENR-105726	ENR	UJunk	1966-03-12	UHC-76518-54	7278331495	733 Spring St, Los Angeles, CA, 90089	0.50	Two-digit birth year Phone reformatted Street suffix standardised Address re-cased+3 more
ENR-111507	ENR	—Junk	1997-08-09	UHC-17258-15	—	7205 Central Ave, Nashville, TN, 37285	0.52	Two-digit birth year Street suffix standardised Address re-cased Email lower-cased+2 more
ENR-123012	ENR	Patricia RJunk	1992-08-25	UHC-68939-94	9089761394	5270 Highland Ave, Chandler, AZ, 85227	0.52	Name re-cased Two-digit birth year Phone reformatted Street suffix standardised+2 more
ENR-132413	ENR	IJunk	2007-02-06	UHC-55057-05	6765184352	7501 Apache Blvd, Seattle, WA, 98163	0.52	Two-digit birth year Phone reformatted Street suffix standardised Address re-cased+2 more
ENR-108250	ENR	YJunk	1949-11-20	UHC-71270-80	3344736083	9156 Church St, Tucson, AZ, 85792	0.52	Two-digit birth year Street suffix standardised Address re-cased Whitespace trimmed+2 more
ENR-115215	ENR	BJunk	1966-06-21	UHC-05736-04	4117308927	6799 Desert Sky Blvd, Jacksonville, FL, 32232	0.52	Two-digit birth year Phone reformatted Street suffix standardised Address re-cased+2 more
ENR-139115	ENR	KJunk	1940-07-15	UHC-71964-53	8737810252	6331 Ocean Ave, Dallas, TX, 75291	0.52	Two-digit birth year Phone reformatted Street suffix standardised Address re-cased+2 more
ENR-142271	ENR	—Junk	1995-10-23	UHC-41395-61	—	8889 Ocean Ave, Sacramento, CA, 95893	0.68	Two-digit birth year Email lower-cased Placeholder values cleared No usable name (quarantined)

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