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achar
2011 Jun 07
1
Regular Expressions for "Large" Data Set
I'm running R 2.13 on Ubuntu 10.10
I have a data set which is comprised of character strings.
site = readLines('http://www.census.gov/tiger/tms/gazetteer/zips.txt')
dat <- c("01, 35004, AL, ACMAR, 86.51557, 33.584132, 6055, 0.001499")
dat
I want to loop through the data and construct a data frame with the zip
code,
state abbreviation, and city name in seperate columns. Given the size of
this
data set, I was wondering if there was an efficient way to get the desired
results.
Thanks
Ab...