figuring out state key names, or other problem

mapping.R

test <- data.frame(state=c("Florida", "Virginia", "Texas", "California",
                           "Georgia", "North Carolina", "New York",
                           "Missouri", "Illinois", "Maryland", "Pennsylvania",
                           "Tennessee", "Colorado", "Washington", "Arizona",
                           "Ohio", "Wisconsin", "District of Columbia",
                           "Michigan", "New Jersey", "Utah", "Louisiana",
                           "Minnesota", "Alabama", "Kansas", "Massachusetts",
                           "Indiana", "South Carolina", "Arkansas", "Oregon",
                           "Nevada", "Kentucky", "Nebraska", "(not set)",
                           "Connecticut", "New Mexico", "Oklahoma",
                           "West Virginia", "Iowa", "Hawaii", "Rhode Island",
                           "Mississippi", "Maine", "New Hampshire", "Delaware",
                           "Alaska", "Idaho", "North Dakota", "Vermont",
                           "Montana", "South Dakota", "Wyoming"),
                   value1=rnorm(52),
                   value2=rnorm(52))

library(rMaps)
crosslet(x="state",
         y=c("value1", "value2"),
         data=test,
         map="us")

Yes. You do need topojson for US states. Let me know if you are able to get it working or hit another bottleneck.