Created
September 20, 2013 15:39
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Efficient lookups in R
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| ids <- sample(c(9999,1021,4000),10, replace = TRUE) | |
| lookup <- list(ix = c(9999,1021,4000), val = c('apple','pear','orange')) | |
| print(lookup$val[match(ids,lookup$ix)]) |
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