Why is rbindlist “better” than rbind?
rbindlist is an optimized version of do.call(rbind, list(…)), which is known for being slow when using rbind.data.frame Where does it really excel Some questions that show where rbindlist shines are Fast vectorized merge of list of data.frames by row Trouble converting long list of data.frames (~1 million) to single data.frame using do.call and ldply These … Read more