Maps your follower names to R variables located in an environment on your search path. Each variable contains a list of influence scores for that follower.

Twitchimps.R

library(twitteR)
library(infochimps)
library(datamap)

infochimps('YOUR_API_KEY')

# Creates a new mapper, similar to an OO class
newMapper(type='twitchimps:influence',

    # Init is called once during newMap(). Note that
    # since it's called only once, your friend list, wether you
    # add or drop some later, will stay constant.
    init = function(map,user){
        install(
            unlist(lapply(userFriends(user), function(n) screenName(n))),
            map
        )
        TRUE
    },

    # Get is called real-time on each access to the variable
    get = function(user) influence(user)
)


# Install the map at position 2 on the search path
mapAttach(newMap('twitchimps:influence','YOUR_TWITTER_NAME_HERE'),pos=2)

# List all your friends
ls(2)

# Their names are now variables. Enter one at the R prompt and see that
# it contains their infochimps influence.

# Create a data frame. You may want to use head(ls(2)) instead of ls(2)
# if you have quite a few followers.

x <- data.frame()
lapply(
    ls(2),
    function(i){
        y <- get(i)
        if(!is.na(y))
            x <<- rbind(x,as.data.frame(y))
    }
)

summary(x)