agrep: only return best match(es)

I'm using the 'agrep' function in R, which returns a vector of matches. I would like a function similar to agrep that only returns the best match, or best matches if there are ties. Currently, I am doing this using the 'sdist()' function from the package 'cba' on each element of the resulting vector, but this seems very redundant.

/edit: here is the function I'm currently using. I'd like to speed it up, as it seems redundant to calculate distance twice.

word <- 'test'
words <- c('Teest','teeeest','New York City','yeast','text','Test')
ClosestMatch <- function(string,StringVector) {
  matches <- agrep(string,StringVector,value=TRUE)
  distance <- sdists(string,matches,method = "ow",weight = c(1, 0, 2))
  matches <- data.frame(matches,as.numeric(distance))
  matches <- subset(matches,distance==min(distance))



RecordLinkage package was removed from CRAN, use stringdist instead:


ClosestMatch2 = function(string, stringVector){

  stringVector[amatch(string, stringVector, maxDist=Inf)]


The agrep package uses Levenshtein Distances to match strings. The package RecordLinkage has a C function to calculate the Levenshtein Distance, which can be used directly to speed up your computation. Here is a reworked ClosestMatch function that is around 10x faster


ClosestMatch2 = function(string, stringVector){

  distance = levenshteinSim(string, stringVector);
  stringVector[distance == max(distance)]


Need Your Help

Can I use a database view as a model in Django?

django django-migrations django-syncdb

i'd like to use a view i've created in my database as the source for my django-view.

NPM, cannot find 'graceful-fs', no matter what I do

node.js express npm

This is what I get when I try to install express for node.js