Hi,I have run mars() with the default degree=1, and have constructed splines which are similar to what I would get from Salford System's MARS. I then use these splines as potential predictors, along with rpart( ) terminal nodes and other potential predictors, in logistic regression in SAS. The output of mars() and the splines I created are shown below (pardon the lengthy output):
> names(pchresp)[1] "ord_flag" "OI_lodlrsize_cnt" "DI_diff_wo_arch" "DI_Days_s_2l_wo" [5] "DI_wo_rec_count" "DH_diff_wo_arch" "DH_Days_s_l_wo" "DH_tot_loss_amt"
[9] "DH_wo_rec_count" "DH_Avg_loss_amt" "DA_diff_wo_arch" "DA_max_loss"
[13] "DA_Days_s_l_wo" "DA_Days_s_2l_wo" "DA_wo_rec_count" "CZ_cen65"
[17] "CZ_cen78" "CZ_cen86" "CZ_cen98" "CZ_cen99"
[21] "CZ_cen132" "CZ_cen232" "CZ_cen236" "CZ_cen247"
[25] "CZ_cen272" "CZ_cen274" "CZ_cen287" "CZ_cen335"
[29] "CZ_cen337" "CZ_cen370" "CZ_cen371" "CZ_cen373"
[33] "CZ_cen377" "CZ_cen419" "CZ_cen509" "CZ_cen569"
[37] "CZ_cen638" "CZ_cen695" "CZ_cen696" "CZ_cen698"
[41] "CZ_cen700" "CZ_cen701" "CZ_cen702" "DZ9_rec"
[45] "log25" "DZ5_rec" "DZ5_str" "DZ1_pob"
[49] "alor" "ihcfbalratio" "cgsbalratio" "cgsbalpaid"
[53] "oxlogit_new" "nslogit_new" "sclogit_new" "hit"
[57] "II_Find_Income2" "II_SESI2"
>
> y <- pchresp[, c(1)]
> x <- pchresp[, -c(1)]
>
> m1 <- mars(x, y)
>
> showcuts <- function(obj)
+ {
+ tmp <- obj$cuts[obj$sel, ]
+ dimnames(tmp) <- list(NULL, dimnames(x)[[2]])
+ tmp
+ }
>
> showcuts(m1)
OI_lodlrsize_cnt DI_diff_wo_arch DI_Days_s_2l_wo DI_wo_rec_count
[1,] 0 0 0 0
[2,] 0 0 0 0
[3,] 0 0 0 0
[4,] 0 0 0 1
[5,] 0 0 0 0
[6,] 0 0 0 0
[7,] 0 0 0 0
[8,] 0 0 0 0
[9,] 0 0 0 0
[10,] 0 0 0 0
[11,] 0 0 0 0
[12,] 0 0 0 0
[13,] 0 0 0 0
[14,] 0 0 0 0
[15,] 0 0 0 0
[16,] 0 0 0 0
[17,] 0 0 0 0
[18,] 0 0 0 0
[19,] 0 0 0 0
[20,] 0 0 0 0
[21,] 0 0 0 0
[22,] 0 0 0 0
DH_diff_wo_arch DH_Days_s_l_wo DH_tot_loss_amt DH_wo_rec_count
[1,] 0 0 0 0
[2,] 0 0 0 0
[3,] 0 0 0 0
[4,] 0 0 0 0
[5,] 0 0 0 0
[6,] 0 0 0 0
[7,] 0 0 0 0
[8,] 0 0 0 0
[9,] 0 0 0 0
[10,] 0 0 0 0
[11,] 0 0 0 0
[12,] 0 0 0 0
[13,] 0 0 0 0
[14,] 0 0 0 0
[15,] 0 0 0 0
[16,] 0 0 0 0
[17,] 0 0 0 0
[18,] 0 0 0 0
[19,] 0 0 0 0
[20,] 0 0 0 0
[21,] 1917 0 0 0
[22,] 0 1735 0 0
DH_Avg_loss_amt DA_diff_wo_arch DA_max_loss DA_Days_s_l_wo
[1,] 0 0 0 0
[2,] 0 0 0 0
[3,] 0 0 0 0
[4,] 0 0 0 0
[5,] 0 0 0 0
[6,] 0 0 0 0
[7,] 0 0 0 0
[8,] 0 0 0 0
[9,] 0 0 0 0
[10,] 0 0 0 0
[11,] 0 0 0 0
[12,] 0 0 0 0
[13,] 0 0 0 0
[14,] 0 0 0 0
[15,] 0 0 0 0
[16,] 0 0 0 0
[17,] 0 0 0 0
[18,] 0 0 0 0
[19,] 0 0 0 0
[20,] 0 0 0 0
[21,] 0 0 0 0
[22,] 0 0 0 0
DA_Days_s_2l_wo DA_wo_rec_count CZ_cen65 CZ_cen78 CZ_cen86 CZ_cen98
[1,] 0 0 0 0 0 0
[2,] 0 0 0 0 0 0
[3,] 0 0 0 0 0 0
[4,] 0 0 0 0 0 0
[5,] 0 0 0 0 0 0
[6,] 0 0 0 0 0 0
[7,] 0 0 0 0 0 0
[8,] 0 0 0 0 0 0
[9,] 0 0 0 0 0 0
[10,] 0 0 0 0 0 0
[11,] 0 0 0 0 0 0
[12,] 0 0 0 0 0 0
[13,] 0 0 0 0 0 0
[14,] 0 0 0 0 0 0
[15,] 0 0 0 0 0 0
[16,] 0 0 0 0 0 0
[17,] 0 0 0 0 0 0
[18,] 0 0 0 0 0 0
[19,] 0 0 0 0 0 0
[20,] 0 0 0 0 0 0
[21,] 0 0 0 0 0 0
[22,] 0 0 0 0 0 0
CZ_cen99 CZ_cen132 CZ_cen232 CZ_cen236 CZ_cen247 CZ_cen272 CZ_cen274
[1,] 0 0 0 0 0.0000000 0 0
[2,] 0 0 0 0 0.0000000 0 0
[3,] 0 0 0 0 0.0000000 0 0
[4,] 0 0 0 0 0.0000000 0 0
[5,] 0 0 0 0 0.0000000 0 0
[6,] 0 0 0 0 0.0000000 0 0
[7,] 0 0 0 0 0.0000000 0 0
[8,] 0 0 0 0 0.0000000 0 0
[9,] 0 0 0 0 0.0000000 0 0
[10,] 0 0 0 0 0.0000000 0 0
[11,] 0 0 0 0 0.0000000 0 0
[12,] 0 0 0 0 0.0000000 0 0
[13,] 0 0 0 0 0.0000000 0 0
[14,] 0 0 0 0 0.9069767 0 0
[15,] 0 0 0 0 0.9069767 0 0
[16,] 0 0 0 0 0.0000000 0 0
[17,] 0 0 0 0 0.0000000 0 0
[18,] 0 0 0 0 0.0000000 0 0
[19,] 0 0 0 0 0.0000000 0 0
[20,] 0 0 0 0 0.0000000 0 0
[21,] 0 0 0 0 0.0000000 0 0
[22,] 0 0 0 0 0.0000000 0 0
CZ_cen287 CZ_cen335 CZ_cen337 CZ_cen370 CZ_cen371 CZ_cen373 CZ_cen377
[1,] 0 0 0 0 0 0 0
[2,] 0 0 0 0 0 0 0
[3,] 0 0 0 0 0 0 0
[4,] 0 0 0 0 0 0 0
[5,] 0 0 0 0 0 0 0
[6,] 0 0 0 0 0 0 0
[7,] 0 0 0 0 0 0 0
[8,] 0 0 0 0 0 0 0
[9,] 0 0 0 0 0 0 0
[10,] 0 0 0 0 0 0 0
[11,] 0 0 0 0 0 0 0
[12,] 0 0 0 0 0 0 0
[13,] 32857 0 0 0 0 0 0
[14,] 0 0 0 0 0 0 0
[15,] 0 0 0 0 0 0 0
[16,] 0 0 0 0 0 0 0
[17,] 0 0 0 0 0 0 0
[18,] 0 0 0 0 0 0 0
[19,] 0 0 0 0 0 0 0
[20,] 0 0 0 0 0 0 0
[21,] 0 0 0 0 0 0 0
[22,] 0 0 0 0 0 0 0
CZ_cen419 CZ_cen509 CZ_cen569 CZ_cen638 CZ_cen695 CZ_cen696 CZ_cen698
[1,] 0 0 0.00000 0 0 0 0
[2,] 0 0 0.00000 0 0 0 0
[3,] 0 0 0.00000 0 0 0 0
[4,] 0 0 0.00000 0 0 0 0
[5,] 0 0 0.00000 0 0 0 0
[6,] 0 0 0.00000 0 0 0 0
[7,] 0 0 0.00000 0 0 0 0
[8,] 0 0 0.00000 0 0 0 0
[9,] 0 0 0.00000 0 0 0 0
[10,] 0 0 0.00000 0 0 0 0
[11,] 0 0 0.00000 0 0 0 0
[12,] 0 0 0.00000 0 0 0 0
[13,] 0 0 0.00000 0 0 0 0
[14,] 0 0 0.00000 0 0 0 0
[15,] 0 0 0.00000 0 0 0 0
[16,] 0 0 11.07613 0 0 0 0
[17,] 0 0 0.00000 0 0 0 0
[18,] 0 0 0.00000 0 0 0 30
[19,] 0 0 0.00000 0 0 0 30
[20,] 0 0 0.00000 0 0 0 0
[21,] 0 0 0.00000 0 0 0 0
[22,] 0 0 0.00000 0 0 0 0
CZ_cen700 CZ_cen701 CZ_cen702 DZ9_rec log25 DZ5_rec DZ5_str
DZ1_pob alor
[1,] 0 0 0 0 0 0 0
0 0
[2,] 0 0 0 0 0 0 0
0 0
[3,] 0 0 0 0 0 0 0
0 0
[4,] 0 0 0 0 0 0 0
0 0
[5,] 0 0 0 0 0 0 0
0 0
[6,] 0 0 0 0 0 0 0
0 0
[7,] 0 0 0 0 0 0 0
0 32
[8,] 0 0 0 0 0 0 0
0 0
[9,] 0 0 0 0 0 0 0
0 0
[10,] 0 0 0 0 0 0 0
0 0
[11,] 0 0 38 0 0 0 0
0 0
[12,] 0 0 38 0 0 0 0
0 0
[13,] 0 0 0 0 0 0 0
0 0
[14,] 0 0 0 0 0 0 0
0 0
[15,] 0 0 0 0 0 0 0
0 0
[16,] 0 0 0 0 0 0 0
0 0
[17,] 0 0 0 0 0 0 0
0 0
[18,] 0 0 0 0 0 0 0
0 0
[19,] 0 0 0 0 0 0 0
0 0
[20,] 0 0 0 0 0 0 0
0 0
[21,] 0 0 0 0 0 0 0
0 0
[22,] 0 0 0 0 0 0 0
0 0
ihcfbalratio cgsbalratio cgsbalpaid oxlogit_new nslogit_new
sclogit_new
[1,] 0 0.00000 0 0
0.00000 0
[2,] 0 0.00000 0 0
1.28535 0
[3,] 0 0.00000 0 0
1.28535 0
[4,] 0 0.00000 0 0
0.00000 0
[5,] 0 0.00000 0 0
0.00000 0
[6,] 0 16.03509 0 0
0.00000 0
[7,] 0 0.00000 0 0
0.00000 0
[8,] 0 0.00000 0 0
0.00000 0
[9,] 0 0.00000 0 0
0.00000 0
[10,] 0 0.00000 0 0
0.00000 0
[11,] 0 0.00000 0 0
0.00000 0
[12,] 0 0.00000 0 0
0.00000 0
[13,] 0 0.00000 0 0
0.00000 0
[14,] 0 0.00000 0 0
0.00000 0
[15,] 0 0.00000 0 0
0.00000 0
[16,] 0 0.00000 0 0
0.00000 0
[17,] 0 0.00000 0 0
0.00000 0
[18,] 0 0.00000 0 0
0.00000 0
[19,] 0 0.00000 0 0
0.00000 0
[20,] 0 0.00000 0 0
0.00000 0
[21,] 0 0.00000 0 0
0.00000 0
[22,] 0 0.00000 0 0
0.00000 0
hit II_Find_Income2 II_SESI2
[1,] 0 0 0
[2,] 0 0 0
[3,] 0 0 0
[4,] 0 0 0
[5,] 0 0 0
[6,] 0 0 0
[7,] 0 0 0
[8,] 0 0 0
[9,] 0 26000 0
[10,] 0 26000 0
[11,] 0 0 0
[12,] 0 0 0
[13,] 0 0 0
[14,] 0 0 0
[15,] 0 0 0
[16,] 0 0 0
[17,] 0 71000 0
[18,] 0 0 0
[19,] 0 0 0
[20,] 0 0 27
[21,] 0 0 0
[22,] 0 0 0
>
The mars splines I created are:
DH_diff_wo_arch_sp1 = max(0, DH_diff_wo_arch - 1917);
DH_Days_s_l_wo_sp1 = max(0, DH_Days_s_l_wo - 1735);
CZ_cen247_sp1 = max(0, CZ_cen247 - 0.9069767);
CZ_cen287_sp1 = max(0, CZ_cen287 - 32857);
CZ_cen569_sp1 = max(0, CZ_cen569 - 11.07613);
CZ_cen698_sp1 = max(0, CZ_cen698 - 30);
CZ_cen702_sp1 = max(0, CZ_cen702 - 38);
alor_sp1 = max(0, alor - 32);
cgsbalratio_sp1 = max(0, cgsbalratio - 16.03509);
nslogit_new_sp1 = max(0, nslogit_new - 1.28535);
II_Find_Income2_sp1 = max(0, II_Find_Income2 - 26000);
II_Find_Income2_sp2 = max(0, II_Find_Income2 - 71000);
II_SESI2_sp1 = max(0, II_SESI2 - 27);
My next run of mars( ) uses degree=2.
> m2 <- mars(x, y, degree=2)
>
> showcuts(m2)
OI_lodlrsize_cnt DI_diff_wo_arch DI_Days_s_2l_wo DI_wo_rec_count
[1,] 0 0 0 0
[2,] 0 0 0 1
[3,] 0 0 0 1
[4,] 0 0 0 1
[5,] 0 0 0 0
[6,] 0 0 0 1
[7,] 0 0 0 1
[8,] 0 0 0 1
[9,] 0 0 0 0
[10,] 0 0 0 0
[11,] 0 0 0 0
[12,] 0 0 0 0
[13,] 0 0 0 0
[14,] 0 0 0 0
[15,] 0 0 0 0
[16,] 0 0 0 0
[17,] 0 0 0 0
[18,] 0 0 0 0
[19,] 0 0 0 0
[20,] 0 0 0 0
[21,] 0 0 0 0
[22,] 0 0 0 0
[23,] 0 0 0 1
[24,] 0 0 0 0
[25,] 0 0 0 0
[26,] 0 0 0 0
[27,] 0 0 0 0
[28,] 0 0 0 0
[29,] 0 0 0 0
[30,] 0 0 0 0
[31,] 0 0 0 0
[32,] 0 0 0 0
[33,] 0 0 0 0
[34,] 0 0 0 0
DH_diff_wo_arch DH_Days_s_l_wo DH_tot_loss_amt DH_wo_rec_count
[1,] 0 0 0 0
[2,] 0 0 0 0
[3,] 0 0 0 0
[4,] 0 0 0 0
[5,] 0 0 0 0
[6,] 0 0 0 0
[7,] 0 0 0 0
[8,] 0 0 0 0
[9,] 0 0 0 0
[10,] 0 0 0 0
[11,] 0 0 0 0
[12,] 0 0 0 0
[13,] 0 0 0 0
[14,] 0 0 0 0
[15,] 0 0 0 0
[16,] 0 0 0 0
[17,] 0 0 0 0
[18,] 0 0 0 0
[19,] 0 0 0 0
[20,] 0 0 0 0
[21,] 0 0 0 0
[22,] 1917 0 0 0
[23,] 0 0 0 0
[24,] 0 0 0 0
[25,] 0 0 0 0
[26,] 0 0 0 0
[27,] 0 0 0 0
[28,] 1917 0 0 0
[29,] 0 0 0 0
[30,] 0 0 0 0
[31,] 0 0 0 0
[32,] 0 0 0 0
[33,] 0 0 0 0
[34,] 0 0 0 0
DH_Avg_loss_amt DA_diff_wo_arch DA_max_loss DA_Days_s_l_wo
[1,] 0 0 0 0
[2,] 0 0 0 0
[3,] 0 0 0 0
[4,] 0 0 0 0
[5,] 0 0 0 0
[6,] 0 0 0 0
[7,] 0 0 0 0
[8,] 0 0 0 0
[9,] 0 0 0 0
[10,] 0 0 0 0
[11,] 0 0 0 0
[12,] 0 0 0 0
[13,] 0 0 0 0
[14,] 0 0 0 0
[15,] 0 0 0 0
[16,] 0 0 0 0
[17,] 0 0 0 0
[18,] 0 0 0 0
[19,] 0 0 0 0
[20,] 0 0 0 0
[21,] 0 0 0 1856
[22,] 0 0 0 0
[23,] 0 943 0 0
[24,] 0 0 0 0
[25,] 0 0 0 0
[26,] 0 0 0 0
[27,] 0 0 0 0
[28,] 0 0 0 0
[29,] 0 0 0 0
[30,] 0 0 0 0
[31,] 0 0 0 0
[32,] 0 0 0 0
[33,] 0 0 0 0
[34,] 0 0 0 0
DA_Days_s_2l_wo DA_wo_rec_count CZ_cen65 CZ_cen78 CZ_cen86 CZ_cen98
[1,] 0 0 0 0.0000000 0 0
[2,] 0 0 0 0.0000000 0 0
[3,] 0 0 0 0.0000000 0 0
[4,] 0 0 0 0.0000000 0 0
[5,] 0 0 0 0.0000000 0 0
[6,] 0 0 0 0.0000000 0 0
[7,] 0 0 0 0.0000000 0 0
[8,] 0 0 0 0.0000000 0 0
[9,] 0 0 0 0.0000000 0 0
[10,] 0 0 0 0.0000000 0 0
[11,] 0 0 0 0.0000000 0 0
[12,] 0 0 0 0.0000000 0 0
[13,] 0 0 0 0.0000000 0 0
[14,] 0 0 0 0.0000000 0 0
[15,] 0 0 0 0.0000000 0 0
[16,] 0 0 0 0.0000000 0 0
[17,] 0 0 0 0.0000000 0 0
[18,] 0 0 0 0.0000000 0 0
[19,] 0 0 0 0.4242424 0 0
[20,] 0 0 0 0.0000000 0 0
[21,] 0 0 0 0.0000000 0 0
[22,] 0 0 0 0.0000000 0 0
[23,] 0 0 0 0.0000000 0 0
[24,] 0 0 0 0.0000000 0 0
[25,] 0 0 0 0.0000000 0 0
[26,] 0 0 0 0.0000000 0 0
[27,] 0 0 0 0.0000000 0 0
[28,] 0 0 0 0.0000000 0 0
[29,] 0 0 0 0.0000000 0 0
[30,] 0 0 0 0.0000000 0 0
[31,] 0 0 0 0.0000000 0 0
[32,] 0 0 0 0.0000000 0 0
[33,] 0 0 0 0.0000000 0 0
[34,] 0 0 0 0.0000000 0 0
CZ_cen99 CZ_cen132 CZ_cen232 CZ_cen236 CZ_cen247 CZ_cen272 CZ_cen274
[1,] 0 0.0000000 0 0.0000000 0.0000000 0 0
[2,] 0 0.0000000 0 0.0000000 0.0000000 0 0
[3,] 0 0.0000000 0 0.0000000 0.0000000 0 0
[4,] 0 0.0000000 0 0.0000000 0.0000000 0 0
[5,] 0 0.0000000 0 0.0000000 0.0000000 0 0
[6,] 0 0.0000000 0 0.0000000 0.0000000 0 0
[7,] 0 0.0000000 0 0.0000000 0.0000000 0 0
[8,] 0 0.0000000 0 0.0000000 0.0000000 0 0
[9,] 0 0.0000000 0 0.0000000 0.0000000 0 0
[10,] 0 0.0000000 0 0.0000000 0.0000000 0 0
[11,] 0 0.0000000 0 0.0000000 0.0000000 0 0
[12,] 0 0.0000000 0 0.0000000 0.0000000 0 0
[13,] 0 0.0000000 0 0.0000000 0.0000000 0 0
[14,] 0 0.0000000 0 0.0000000 0.9074286 0 0
[15,] 0 0.0000000 0 0.0000000 0.9074286 0 0
[16,] 0 0.0000000 0 0.0000000 0.9074286 0 0
[17,] 0 0.0000000 0 0.0000000 0.9074286 0 0
[18,] 0 0.0000000 0 0.0000000 0.9074286 0 0
[19,] 0 0.0000000 0 0.0000000 0.0000000 0 0
[20,] 0 0.0000000 0 0.0000000 0.0000000 0 0
[21,] 0 0.0000000 0 0.0000000 0.0000000 0 0
[22,] 0 0.0000000 0 0.0000000 0.0000000 0 0
[23,] 0 0.0000000 0 0.0000000 0.0000000 0 0
[24,] 0 0.4729299 0 0.0000000 0.0000000 0 0
[25,] 0 0.4729299 0 0.0000000 0.0000000 0 0
[26,] 0 0.0000000 0 0.0000000 0.9074286 0 0
[27,] 0 0.0000000 0 0.4290323 0.0000000 0 0
[28,] 0 0.0000000 0 0.0000000 0.0000000 0 0
[29,] 0 0.0000000 0 0.0000000 0.9074286 0 0
[30,] 0 0.0000000 0 0.0000000 0.9074286 0 0
[31,] 0 0.0000000 0 0.0000000 0.0000000 0 0
[32,] 0 0.0000000 0 0.0000000 0.0000000 0 0
[33,] 0 0.0000000 0 0.0000000 0.0000000 0 0
[34,] 0 0.0000000 0 0.0000000 0.0000000 0 0
CZ_cen287 CZ_cen335 CZ_cen337 CZ_cen370 CZ_cen371 CZ_cen373 CZ_cen377
[1,] 0 0 0 0 0 0.0000000 0
[2,] 0 0 0 0 0 0.0000000 0
[3,] 0 0 0 0 0 0.0000000 0
[4,] 0 0 0 0 0 0.0000000 0
[5,] 0 0 0 0 0 0.0000000 0
[6,] 0 0 0 0 0 0.0000000 0
[7,] 0 0 0 0 0 0.0000000 0
[8,] 0 0 0 0 0 0.0000000 0
[9,] 0 0 0 0 0 0.0000000 0
[10,] 36324 0 0 0 0 0.0000000 0
[11,] 36324 0 0 0 0 0.0000000 0
[12,] 36324 0 0 0 0 0.0000000 0
[13,] 36324 0 0 0 0 0.0000000 0
[14,] 0 0 0 0 0 0.0000000 0
[15,] 0 0 0 0 0 0.0000000 0
[16,] 0 0 0 0 0 0.0000000 0
[17,] 0 0 0 0 0 0.0000000 0
[18,] 0 0 0 0 0 0.0000000 0
[19,] 0 0 0 0 0 0.0000000 0
[20,] 0 0 0 0 0 0.0000000 0
[21,] 0 0 0 0 0 0.0000000 0
[22,] 0 0 0 0 0 0.0000000 0
[23,] 0 0 0 0 0 0.0000000 0
[24,] 0 0 0 0 0 0.0000000 0
[25,] 0 0 0 0 0 0.0000000 0
[26,] 0 0 0 0 0 0.0000000 0
[27,] 0 0 0 0 0 0.0000000 0
[28,] 0 0 0 0 0 0.0000000 0
[29,] 0 0 0 0 0 0.0000000 0
[30,] 14306 0 0 0 0 0.0000000 0
[31,] 0 0 0 0 0 0.0000000 0
[32,] 0 0 0 0 0 0.0000000 0
[33,] 0 0 0 0 0 0.0000000 0
[34,] 0 0 0 0 0 0.2213115 0
CZ_cen419 CZ_cen509 CZ_cen569 CZ_cen638 CZ_cen695 CZ_cen696 CZ_cen698
[1,] 0 0 0.00000 0 0 0 0
[2,] 0 0 0.00000 0 0 0 0
[3,] 0 0 0.00000 0 0 0 0
[4,] 0 0 0.00000 0 0 0 0
[5,] 0 0 0.00000 0 0 0 0
[6,] 0 0 0.00000 0 0 0 0
[7,] 0 0 0.00000 0 0 0 0
[8,] 0 0 0.00000 0 0 0 0
[9,] 0 0 0.00000 0 0 0 0
[10,] 0 0 0.00000 0 0 0 0
[11,] 0 0 0.00000 0 0 0 0
[12,] 0 0 0.00000 0 0 0 31
[13,] 0 0 0.00000 0 0 0 31
[14,] 0 0 0.00000 0 0 0 0
[15,] 0 0 12.92770 0 0 0 0
[16,] 0 0 0.00000 0 0 0 0
[17,] 0 0 0.00000 0 0 0 0
[18,] 0 0 0.00000 0 0 0 0
[19,] 0 0 0.00000 0 0 0 0
[20,] 0 0 0.00000 0 0 0 0
[21,] 0 0 0.00000 0 0 0 0
[22,] 0 0 0.00000 0 0 0 0
[23,] 0 0 0.00000 0 0 0 0
[24,] 0 0 0.00000 0 0 0 0
[25,] 0 0 0.00000 0 0 0 0
[26,] 0 0 0.00000 0 0 0 0
[27,] 0 0 0.00000 0 0 0 0
[28,] 0 0 0.00000 0 0 0 0
[29,] 0 0 0.00000 0 0 0 0
[30,] 0 0 0.00000 0 0 0 0
[31,] 0 0 0.00000 0 0 0 0
[32,] 0 0 0.00000 0 0 0 0
[33,] 0 0 0.00000 0 0 0 0
[34,] 0 0 0.00000 0 0 0 0
CZ_cen700 CZ_cen701 CZ_cen702 DZ9_rec log25 DZ5_rec DZ5_str DZ1_pob
[1,] 0 0 0 0 0.00000 0 0 0
[2,] 0 0 0 0 0.00000 0 0 0
[3,] 0 0 0 0 0.00000 0 0 0
[4,] 0 0 0 0 0.00000 0 0 0
[5,] 0 0 0 0 0.00000 0 0 0
[6,] 0 0 0 0 0.00000 0 0 0
[7,] 0 0 0 0 0.00000 0 0 0
[8,] 0 0 0 0 0.00000 0 0 0
[9,] 0 0 0 0 2.17021 0 0 0
[10,] 0 0 0 0 0.00000 0 0 0
[11,] 0 0 0 0 0.00000 0 0 0
[12,] 0 0 0 0 0.00000 0 0 0
[13,] 0 0 0 0 0.00000 0 0 0
[14,] 0 0 0 0 0.00000 0 0 0
[15,] 0 0 0 0 0.00000 0 0 0
[16,] 93 0 0 0 0.00000 0 0 0
[17,] 93 0 0 0 0.00000 0 0 0
[18,] 0 0 0 0 0.00000 0 0 0
[19,] 0 0 0 0 0.00000 0 0 0
[20,] 0 0 0 0 0.00000 0 0 0
[21,] 0 0 0 0 0.00000 0 0 0
[22,] 0 0 0 0 0.00000 0 0 0
[23,] 0 0 0 0 0.00000 0 0 0
[24,] 0 0 0 0 0.00000 0 0 0
[25,] 0 0 0 0 0.00000 0 0 0
[26,] 0 0 0 0 0.00000 0 0 0
[27,] 0 0 0 0 0.00000 0 0 0
[28,] 0 0 38 0 0.00000 0 0 0
[29,] 0 0 0 0 0.00000 8405 0 0
[30,] 0 0 0 0 0.00000 0 0 0
[31,] 0 0 0 0 2.45773 0 0 0
[32,] 0 0 0 0 0.00000 0 0 0
[33,] 0 0 0 0 0.00000 0 0 0
[34,] 0 0 0 0 0.00000 0 0 0
alor ihcfbalratio cgsbalratio cgsbalpaid oxlogit_new nslogit_new
[1,] 0 0 0.00000 0 0 0.00000
[2,] 0 0 0.00000 0 0 0.00000
[3,] 0 0 0.00000 0 0 0.00000
[4,] 0 0 0.00000 0 0 0.00000
[5,] 0 0 16.03509 0 0 0.00000
[6,] 32 0 0.00000 0 0 0.00000
[7,] 0 0 0.00000 0 0 0.00000
[8,] 0 0 0.00000 0 0 0.00000
[9,] 0 0 16.03509 0 0 0.00000
[10,] 0 0 0.00000 0 0 0.00000
[11,] 0 0 0.00000 0 0 0.00000
[12,] 0 0 0.00000 0 0 0.00000
[13,] 0 0 0.00000 0 0 0.00000
[14,] 0 0 0.00000 0 0 0.00000
[15,] 0 0 0.00000 0 0 0.00000
[16,] 0 0 0.00000 0 0 0.00000
[17,] 0 0 0.00000 0 0 0.00000
[18,] 18 0 0.00000 0 0 0.00000
[19,] 0 0 16.03509 0 0 0.00000
[20,] 0 0 0.00000 0 0 1.28535
[21,] 0 0 0.00000 0 0 1.28535
[22,] 0 0 0.00000 0 0 0.00000
[23,] 0 0 0.00000 0 0 0.00000
[24,] 0 0 0.00000 0 0 1.28535
[25,] 0 0 0.00000 0 0 1.28535
[26,] 0 0 0.00000 0 0 0.00000
[27,] 0 0 0.00000 0 0 1.28535
[28,] 0 0 0.00000 0 0 0.00000
[29,] 0 0 0.00000 0 0 0.00000
[30,] 0 0 0.00000 0 0 0.00000
[31,] 0 0 0.00000 0 0 1.28535
[32,] 0 0 16.03509 0 0 3.01888
[33,] 0 0 0.00000 0 0 1.28535
[34,] 0 0 16.03509 0 0 0.00000
sclogit_new hit II_Find_Income2 II_SESI2
[1,] 0 0 0 0
[2,] 0 0 0 0
[3,] 0 0 0 0
[4,] 0 0 0 0
[5,] 0 0 0 0
[6,] 0 0 0 0
[7,] 0 0 0 16
[8,] 0 0 0 0
[9,] 0 0 0 0
[10,] 0 0 0 0
[11,] 0 0 0 0
[12,] 0 0 0 0
[13,] 0 0 0 0
[14,] 0 0 0 0
[15,] 0 0 0 0
[16,] 0 0 0 0
[17,] 0 0 0 0
[18,] 0 0 0 0
[19,] 0 0 0 0
[20,] 0 0 0 27
[21,] 0 0 0 0
[22,] 0 0 0 0
[23,] 0 0 0 0
[24,] 0 0 0 0
[25,] 0 0 0 0
[26,] 0 0 122000 0
[27,] 0 0 0 0
[28,] 0 0 0 0
[29,] 0 0 0 0
[30,] 0 0 0 0
[31,] 0 0 0 0
[32,] 0 0 0 0
[33,] 0 0 225000 0
[34,] 0 0 0 0
>
While I can construct splines in a similar manner to what I did for my
first output, I am unable to figure out how to construct mars splines
for the pairwise interactions I am supposed to be getting for degree=2.
The mars documentation and Venables' and Ripley's Modern Applied Statistics with S (pages 235 to 237) do show similar output, but not how to construct splines or figure out the pairwise interactions.
Any help is greatly appreciated. Thanks in advance. Jude Ryan ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
