format
The format is:
Formal class 'acs' [package ".GlobalEnv"] with 9 slots
..@ endyear : int 2009
..@ span : int 5
..@ geography :'data.frame': 105 obs. of 4 variables:
.. ..$ Geography.Identifier : chr [1:105] "05000US20001" "05000US20003" "05000US20005" "05000US20007" ...
.. ..$ Geography.Identifier.1 : int [1:105] 20001 20003 20005 20007 20009 20011 20013 20015 20017 20019 ...
.. ..$ Geographic.Summary.Level: int [1:105] 50 50 50 50 50 50 50 50 50 50 ...
.. ..$ Geography : chr [1:105] "Allen County, Kansas" "Anderson County, Kansas" "Atchison County, Kansas" "Barber County, Kansas" ...
..@ acs.colnames : chr [1:55] "Universe...TOTAL.POPULATION..Total" "Universe...TOTAL.POPULATION..Male" "Universe...TOTAL.POPULATION..Male..Under.5.years" "Universe...TOTAL.POPULATION..Male..5.to.9.years" ...
..@ modified : logi FALSE
..@ acs.units : Factor w/ 5 levels "count","dollars",..: 1 1 1 1 1 1 1 1 1 1 ...
..@ currency.year : int 2009
..@ estimate : num [1:105, 1:55] 13403 7900 16469 4714 27654 ...
.. ..- attr(*, "dimnames")=List of 2
.. .. ..$ : chr [1:105] "Allen County, Kansas" "Anderson County, Kansas" "Atchison County, Kansas" "Barber County, Kansas" ...
.. .. ..$ : chr [1:55] "Universe...TOTAL.POPULATION..Total" "Universe...TOTAL.POPULATION..Male" "Universe...TOTAL.POPULATION..Male..Under.5.years" "Universe...TOTAL.POPULATION..Male..5.to.9.years" ...
..@ standard.error: num [1:105, 1:55] 0 0 0 0 0 0 0 0 0 0 ...
.. ..- attr(*, "dimnames")=List of 2
.. .. ..$ : chr [1:105] "Allen County, Kansas" "Anderson County, Kansas" "Atchison County, Kansas" "Barber County, Kansas" ...
.. .. ..$ : chr [1:55] "Universe...TOTAL.POPULATION..Total" "Universe...TOTAL.POPULATION..Male" "Universe...TOTAL.POPULATION..Male..Under.5.years" "Universe...TOTAL.POPULATION..Male..5.to.9.years" ...source
U.S. Census American Community Surey, 2009; http://www.census.gov/