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Extract of 1880 US Census for Newark, New Jersey.

Newark.sf.Rd

A simple features object with geocoded information about respondents in the 1880 US Census with selected demographic information coded as dummy variables. The data are projected using EPSG: 32618 (WGS 84/UTM Zone 18N). The coordinates have been and jiggled to create unique coordinates for each observation.

Usage

data(Newark.sf)

Format

A simple features dataframe with 21,520 rows and 8 columns:

ID

Unique identifier of record.

YANKEE

Dummy variable for ethnicity of respondent: 1 if Yankee, 0 otherwise.

IRISH

Dummy variable for ethnicity of respondent: 1 if Irish, 0 otherwise.

GERMAN

Dummy variable for ethnicity of respondent: 1 if German, 0 otherwise.

under30

Dummy variable for age of respondent: 1 if younger than 30 years old, 0 otherwise.

mar

Dummy variable for marital status of respondent: 1 if married, 0 otherwise.

usborn

Dummy variable for place of birth of respondent: 1 if born in the US, 0 otherwise.

geometry

geometry of the simple features object

Source

Páez et al. (2012) doi: 10.1080/00045608.2011.620502

References

  • Paez, A., Ruiz, M., Lopez, F. & Logan, J. (2012). Measuring Ethnic Clustering and Exposure with the Q Statistic: An Exploratory Analysis of Irish, Germans, and Yankees in 1880 Newark.. Annals of the Association of American Geographers.

Examples

 data(Newark.sf)
 summary(Newark.sf)
#>        ID            YANKEE           IRISH           GERMAN      
#>  Min.   :    1   Min.   :0.0000   Min.   :0.000   Min.   :0.0000  
#>  1st Qu.: 5381   1st Qu.:0.0000   1st Qu.:0.000   1st Qu.:0.0000  
#>  Median :10760   Median :0.0000   Median :0.000   Median :0.0000  
#>  Mean   :10760   Mean   :0.3559   Mean   :0.205   Mean   :0.4391  
#>  3rd Qu.:16140   3rd Qu.:1.0000   3rd Qu.:0.000   3rd Qu.:1.0000  
#>  Max.   :21520   Max.   :1.0000   Max.   :1.000   Max.   :1.0000  
#>     under30            mar             usborn               geometry    
#>  Min.   :0.0000   Min.   :0.0000   Min.   :0.000   POINT        :21520  
#>  1st Qu.:0.0000   1st Qu.:0.0000   1st Qu.:0.000   epsg:32618   :    0  
#>  Median :0.0000   Median :0.0000   Median :1.000   +proj=utm ...:    0  
#>  Mean   :0.3668   Mean   :0.2394   Mean   :0.562                        
#>  3rd Qu.:1.0000   3rd Qu.:0.0000   3rd Qu.:1.000                        
#>  Max.   :1.0000   Max.   :1.0000   Max.   :1.000