bash-4.3$ R

R version 3.3.1 (2016-06-21) -- "Bug in Your Hair"
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[1] "Hello world!"

Welcome to Slade's R!
> source("indexExercise.R")
> m
   SP500 RUSS2000 LEHAGGR MSCIWO  HFRI NAREIT USTBILLS
1  -0.69    -0.06    0.28  -1.26  0.61  -4.42     0.31
2  -4.18    -7.18    1.80  -4.00 -2.05  -8.62     0.32
3   1.59     2.87    0.90   3.09  2.87   0.82     0.36
4   3.74     1.72    0.76   4.78  2.70   4.24     0.38
5   1.50     2.27    1.23  -0.01 -1.53   5.50     0.41
6  -3.10    -6.84    0.83  -2.20  0.08  -8.79     0.40
7  -1.66    -1.46   -0.30  -0.72  0.73  -9.04     0.40
8   3.49     4.10   -0.76   2.91  1.99   0.10     0.42
9   4.43     1.80    0.54   4.48  1.78   0.11     0.41
10  1.12     1.07    0.00   1.87  0.96  -2.50     0.43
11 -1.95    -0.79    1.54  -0.47  0.68  -2.92     0.38
12  1.51     1.67   -0.04   1.20  1.10   7.83     0.42
> cm
      SP500    RUSS2000     LEHAGGR      MSCIWO        HFRI      NAREIT 
 0.48333333 -0.06916667  0.56500000  0.80583333  0.82666667 -1.47416667 
   USTBILLS 
 0.38666667 
> csd
     SP500   RUSS2000    LEHAGGR     MSCIWO       HFRI     NAREIT   USTBILLS 
2.78663151 3.58496725 0.76333598 2.71772786 1.49251669 5.65489242 0.03892495 
> cm
      SP500    RUSS2000     LEHAGGR      MSCIWO        HFRI      NAREIT 
 0.48333333 -0.06916667  0.56500000  0.80583333  0.82666667 -1.47416667 
   USTBILLS 
 0.38666667 
> both
                csd          cm
SP500    2.78663151  0.48333333
RUSS2000 3.58496725 -0.06916667
LEHAGGR  0.76333598  0.56500000
MSCIWO   2.71772786  0.80583333
HFRI     1.49251669  0.82666667
NAREIT   5.65489242 -1.47416667
USTBILLS 0.03892495  0.38666667
> plot(both)
> 
Save workspace image? [y/n/c]: y
bash-4.3$ exit

Process shell finished