[R] Step command failing for lm function
Noah Silverman
noah at smartmediacorp.com
Mon Jan 10 10:51:37 CET 2011
Hi,
Its a lot of data, but here are sum summary stats:
l <- lm(trainy ~ x)
> str(x)
num [1:31205, 1:48] 0.0975 -0.1987 0.3254 -0.7912 0.0975 ...
- attr(*, "dimnames")=List of 2
..$ : chr [1:31205] "5" "6" "7" "8" ...
..$ : NULL
- attr(*, "names")= chr [1:1497840] "a" NA NA NA ...
summary(x)
V1 V2 V3
V4 V5 V6
Min. :-1.679848 Min. :-1.606698 Min. :-1.617491 Min.
:-1.6534404 Min. :-0.93052 Min. :-1.66594
1st Qu.:-0.865216 1st Qu.:-0.867430 1st Qu.:-0.875567 1st
Qu.:-0.9042894 1st Qu.:-0.67904 1st Qu.:-0.90768
Median : 0.074739 Median :-0.004886 Median :-0.009924 Median :
0.0946436 Median :-0.40504 Median :-0.14942
Mean : 0.000492 Mean :-0.001140 Mean :-0.001563 Mean
:-0.0006543 Mean :-0.01372 Mean : 0.01700
3rd Qu.: 0.826709 3rd Qu.: 0.857625 3rd Qu.: 0.855687 3rd Qu.:
0.8438270 3rd Qu.: 0.23305 3rd Qu.: 0.79841
Max. : 1.578680 Max. : 1.596925 Max. : 1.597644 Max. :
1.5930105 Max. : 2.74787 Max. : 2.88363
V7 V8 V9
V10 V11 V12
Min. :-2.84607 Min. :-17.340329 Min. :-5.72374 Min.
:-9.088574 Min. :-0.753625 Min. :-9.694224
1st Qu.:-0.69230 1st Qu.: -0.680686 1st Qu.:-0.77093 1st
Qu.:-0.484832 1st Qu.:-0.753625 1st Qu.:-0.535022
Median : 0.07690 Median : -0.050236 Median : 0.08103 Median :
0.127993 Median :-0.187126 Median : 0.094031
Mean :-0.01912 Mean : 0.007672 Mean :-0.01086 Mean :
0.004137 Mean : 0.001845 Mean : 0.005425
3rd Qu.: 0.69226 3rd Qu.: 0.643260 3rd Qu.: 0.70906 3rd Qu.:
0.646475 3rd Qu.: 0.232864 3rd Qu.: 0.640222
Max. : 1.76915 Max. : 4.299870 Max. : 3.87579 Max. :
4.307299 Max. : 8.125662 Max. :13.955377
V13 V14 V15
V16 V17 V18
Min. :-2.325326 Min. :-1.122704 Min. :-15.78010 Min.
:-1.41451 Min. :-2.890895 Min. :-6.48201
1st Qu.:-0.707599 1st Qu.:-0.677653 1st Qu.: 0.10818 1st
Qu.:-0.67008 1st Qu.:-0.562810 1st Qu.:-0.65572
Median : 0.022490 Median :-0.249277 Median : 0.29841 Median
:-0.24738 Median :-0.068975 Median :-0.01222
Mean : 0.000984 Mean : 0.005968 Mean : -0.01914 Mean
:-0.01929 Mean :-0.004446 Mean :-0.04004
3rd Qu.: 0.735969 3rd Qu.: 0.387072 3rd Qu.: 0.38232 3rd Qu.:
0.32839 3rd Qu.: 0.502638 3rd Qu.: 0.59069
Max. : 2.328877 Max. :10.034416 Max. : 1.17948 Max. :
3.66491 Max. : 3.405497 Max. : 3.95314
V19 V20 V21
V22 V23 V24
Min. :-3.4866219 Min. :-53.84720 Min. :-3.872473 Min.
:-82.470612 Min. :-0.877362 Min. :-0.9064
1st Qu.:-0.6866883 1st Qu.: -0.57941 1st Qu.:-0.459875 1st Qu.:
-0.546812 1st Qu.:-0.556758 1st Qu.:-0.6743
Median : 0.0181297 Median : -0.01640 Median :-0.026090 Median :
-0.023271 Median :-0.283361 Median :-0.2101
Mean : 0.0005746 Mean : 0.02152 Mean : 0.001832 Mean :
-0.002836 Mean : 0.006677 Mean : 0.0330
3rd Qu.: 0.7036093 3rd Qu.: 0.58834 3rd Qu.: 0.400639 3rd Qu.:
0.501094 3rd Qu.: 0.196238 3rd Qu.: 0.4863
Max. : 3.5553623 Max. : 53.96102 Max. : 5.111946 Max. :
7.022679 Max. :21.385854 Max. :12.3242
V25 V26 V27
V28 V29 V30
Min. :-0.88375 Min. :-1.11709 Min. :-1.00780 Min.
:-10.7395 Min. :-1.66934 Min. :-1.0292617
1st Qu.:-0.65752 1st Qu.:-0.71563 1st Qu.:-0.70467 1st Qu.:
-0.1804 1st Qu.:-0.46190 1st Qu.:-0.6029130
Median :-0.20505 Median :-0.07946 Median :-0.14171 Median :
0.2798 Median :-0.12636 Median :-0.3733405
Mean : 0.03226 Mean : 0.02066 Mean : 0.01787 Mean :
-0.0344 Mean : 0.01104 Mean : 0.0004641
3rd Qu.: 0.47365 3rd Qu.: 0.48877 3rd Qu.: 0.42125 3rd Qu.:
0.5117 3rd Qu.: 0.32533 3rd Qu.: 0.0530082
Max. :10.88045 Max. :11.39008 Max. :11.55056 Max. :
1.2400 Max. :76.74103 Max. : 5.4643580
V31 V32 V33
V34 V35 V36
Min. :-1.72330 Min. :-2.81647 Min. :-1.22587 Min.
:-1.33872 Min. :-0.85680 Min. :-1.84229
1st Qu.:-0.95858 1st Qu.:-0.68389 1st Qu.:-0.79860 1st
Qu.:-0.85541 1st Qu.:-0.66622 1st Qu.:-0.81453
Median :-0.19386 Median : 0.07774 Median :-0.18821 Median
:-0.18663 Median :-0.37654 Median :-0.25103
Mean : 0.01799 Mean :-0.01678 Mean : 0.01022 Mean
:-0.07883 Mean :-0.05283 Mean :-0.01440
3rd Qu.: 0.76204 3rd Qu.: 0.68705 3rd Qu.: 0.54426 3rd Qu.:
0.53015 3rd Qu.: 0.25618 3rd Qu.: 0.62855
Max. : 2.86501 Max. : 1.75334 Max. : 4.57282 Max. :
2.78523 Max. : 3.86957 Max. : 5.99709
V37 V38 V39
V40 V41 V42
Min. :-0.457517 Min. :-2.2722 Min. :-1.6455 Min.
:-3.477135 Min. :-1.17361 Min. :-5.151515
1st Qu.:-0.457517 1st Qu.:-0.8465 1st Qu.:-0.8011 1st
Qu.:-0.687784 1st Qu.:-1.17361 1st Qu.:-0.057516
Median :-0.457517 Median :-0.2618 Median :-0.3438 Median
:-0.229916 Median : 0.03988 Median :-0.057516
Mean :-0.001647 Mean :-0.2080 Mean :-0.1453 Mean :
0.007545 Mean : 0.02236 Mean : 0.001137
3rd Qu.:-0.457517 3rd Qu.: 0.3710 3rd Qu.: 0.3013 3rd Qu.:
0.515931 3rd Qu.: 0.49494 3rd Qu.: 0.706584
Max. :15.512632 Max. : 2.1959 Max. : 2.7406 Max. :
3.717934 Max. : 6.15788 Max. : 5.036483
V43 V44 V45
V46 V47 V48
Min. :0.0000 Min. :-0.708214 Min. :-0.5407803 Min.
:-0.980665 Min. :-17.332960 Min. :-0.291151
1st Qu.:0.0000 1st Qu.:-0.708214 1st Qu.:-0.5407803 1st
Qu.:-0.980665 1st Qu.: -0.684639 1st Qu.:-0.291151
Median :0.0000 Median :-0.286641 Median :-0.2274321 Median
:-0.416754 Median : -0.054618 Median :-0.291151
Mean :0.1500 Mean :-0.001202 Mean :-0.0006913 Mean :
0.004792 Mean : 0.007181 Mean : 0.008824
3rd Qu.:0.0000 3rd Qu.: 0.313288 3rd Qu.: 0.1232400 3rd Qu.:
0.711067 3rd Qu.: 0.654157 3rd Qu.:-0.291151
Max. :1.0000 Max. :30.801619 Max. :45.7742768 Max. :
5.786264 Max. : 4.292532 Max. :10.602908
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