MLP Linking Features Comparison

FEATURE
1850-
1860 
1860-
1870 
1870-
1880 
1880-
1900 
1900-
1910 
1910-
1920 
1920-
1930 
1930-
1940 
STEP I
First name JW-score
X
X
X
X
X
X
X
X
Standardized first name JW-score
X
X
X
X
X
X
X
X
Last name JW-score
X
X
X
X
X
X
X
X
Race
X
X
X
X
X
X
X
X
Race match
X
X
X
X
X
X
X
X
N potential matches
X
X
X
X
X
X
X
X
N potential matches, squared
X
X
X
X
X
X
X
X
Multiple exact matches on first and last name
X
X
X
X
X
X
X
X
Number of same name individuals in census A
X
X
X
X
X
X
X
X
Number of same name individuals in census A, squared
X
X
X
X
X
X
X
X
Region of origin
X
X
X
X
X
X
X
X
Birthyear difference
X
X
X
X
X
X
X
X
Nativity match
X
Father present in both censuses and characteristics match
X
X
X
X
X
X
X
X
Father JW-score
X
X
X
X
X
X
X
X
Father's birthplace match
X
X
X
X
X
Mother present in both censuses and characteristics match
X
X
X
X
X
X
X
X
Mother JW-score
X
X
X
X
X
X
X
X
Mother's birthplace match
X
X
X
X
X
Spouse present in both censuses and characteristics match
X
X
X
X
X
X
X
X
Spouse JW-score
X
X
X
X
X
X
X
X
Middle initial match
X
X
X
X
X
X
X
X
First name soundex
X
X
X
X
X
X
X
X
Last name soundex
X
X
X
X
X
X
X
X
Relatives present in both censuses
X
X
X
X
X
X
X
X
Unrelated household members present in both censuses
X
X
X
X
X
X
X
X
Second generation immigrant
X
X
X
X
X
X
X
X
Common neighbors in both censuses
X
X
X
X
X
X
X
X
County distance
X
X
X
X
X
X
X
X
County distance, squared
X
X
X
X
X
X
X
X
Street of residence match
X
X
X
X
X
Immigration year caution
X
X
X
STEP II
First name JW-score
X
X
X
X
X
X
X
X
Standardized first name JW-score
X
X
X
X
X
X
X
X
Last name JW-score
X
X
X
X
X
X
X
X
Birth year difference
X
X
X
X
X
X
X
X
Individual is foreign born
X
X
X
X
X
X
X
X
Birth place match
X
X
X
X
X
X
X
X
Race match
X
X
X
X
X
X
X
X
Sex match
X
X
X
X
X
X
X
X
Highest Jaro-Winkler score of competing match in household, conditional
X
X
X
X
X
X
X
X
Highest Jaro-Winkler score of competing match in household, unconditional
X
X
X
X
X
X
X
X
First name initial of census A person matches first or middle name initial of census B person
X
X
X
X
X
X
X
X
Middle name initial of census A person matches first or middle name initial of census B person
X
X
X
X
X
X
X
X
Relationship to census A household head
X
X
X
X
X
X
X
X
Relationship to census A household head match
X
X
X
X
X
X
X
X
Marriage duration match
X
Marital status match
X
X
X