## number of subset, fitting method, and three timing records
2^3 nullfit 19.676 19.654 19.243
2^3 glmfit 18.660 19.372 19.395
2^4 nullfit 18.645 20.567 20.707
2^4 glmfit 19.848 21.362 20.538
2^5 nullfit 18.699 19.707 20.586
2^5 glmfit 19.616 21.142 20.385
2^6 nullfit 20.698 18.738 18.715
2^6 glmfit 20.429 18.352 20.183
2^7 nullfit 20.215 18.566 20.738
2^7 glmfit 20.995 20.474 20.377
2^8 nullfit 20.622 20.630 19.780
2^8 glmfit 19.370 20.362 20.355
2^9 nullfit 19.705 18.680 21.834
2^9 glmfit 19.433 18.453 18.477
2^10 nullfit 19.767 19.720 19.051
2^10 glmfit 18.429 19.609 19.333
2^11 nullfit 18.767 19.565 19.978
2^11 glmfit 19.371 20.365 18.351
2^12 nullfit 20.636 19.600 20.673
2^12 glmfit 20.387 18.343 20.324
2^13 nullfit 19.683 19.800 19.688
2^13 glmfit 19.383 20.443 20.411