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What if My datasets Are Big and Are Taking Up Too Much Memory?

matchit() does not save the data set in its output object, but it does save a matrix of the covariates. match.data() will create a matched data set. One can eliminate the original data set to save memory in R by rm(name), where name is the name of the data set, after calling match.data().



RBuild autobuild user 2011-10-24