Mapping Foreclosures - Data Mashups in R - page 8

That's kind of a mess, but we can see that our Longitude and Latitude are List s inside of
List s inside of a List inside of a List .
Tom Short's R reference card, an invaluable resource (available at http://cran.r-project.org/
doc/contrib/Short-refcard.pdf ) , tells us to get the name element in list x of a list in R:
x[["name"]] .