cpu dataset: CpuTime CardsIn LinesOut Steps MountedDevices 1 0.4190 297 11714 15 0 2 0.4678 387 13901 15 0 3 0.0543 349 791 3 3 4 0.0590 468 965 3 3 5 0.0360 12 254 3 3 6 0.0676 713 1411 3 3 7 0.0893 18 266 2 1 8 0.0386 11 120 1 1 9 0.0988 18 245 2 1 10 0.0260 11 102 1 1 11 0.0410 18 307 2 1 12 0.0196 12 143 1 1 13 0.1653 17 4299 5 2 14 0.1421 17 925 2 1 15 0.0620 17 3076 5 2 16 0.0560 17 914 2 1 17 0.1405 17 3946 5 2 18 0.0316 14 429 1 2 19 0.2260 91 4781 13 3 20 0.0417 14 1329 1 2 21 0.4217 238 14872 13 3 22 0.0278 14 249 1 2 23 0.1873 100 4006 13 3 24 0.2035 65 1234 6 8 25 0.0410 17 152 1 1 26 0.2042 94 1366 8 8 27 0.2172 65 1228 6 8 28 0.2005 65 1231 6 8 29 0.2622 51 4098 13 3 30 0.0537 14 1869 1 2 31 0.3073 200 6691 13 3 32 0.0430 14 1102 1 2 33 0.2483 88 5028 13 3 34 0.0718 14 2716 1 2 35 0.4587 273 12016 13 3 36 0.2477 50 3934 13 3 37 0.2990 245 7214 13 3 38 0.1927 65 1230 6 8 Output from leaps function that shows adjusted R-squared for each subset of independent variables. CardsIn LinesOut Steps MountedDevices 1 0 0 1 0 0.816450902 1 0 1 0 0 0.801068814 1 1 0 0 0 0.110794940 1 0 0 0 1 0.004935297 2 0 1 1 0 0.897182710 2 0 1 0 1 0.894045324 2 1 0 1 0 0.815216619 2 0 0 1 1 0.812363111 2 1 1 0 0 0.795585290 2 1 0 0 1 0.117090560 3 0 1 1 1 0.930597936 3 1 1 1 0 0.894392313 3 1 1 0 1 0.892555044 3 1 0 1 1 0.811176774 4 1 1 1 1 0.929588029 >