. Author manuscript; available in PMC: 2016 Sep 29.

Published in final edited form as: Stat Interface. 2016;9(4):399–414. doi: 10.4310/SII.2016.v9.n4.a1

Table 2. Timing results (in seconds) for reading in the whole 12 GB data, transforming to create new variables, and fitting the logistic regression with three methods: bigmemory, ff, and RRE.