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#  x01.txt
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#
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#  Reference:
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#
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#    Helmut Spaeth,
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#    Mathematical Algorithms for Linear Regression,
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#    Academic Press, 1991, page 304,
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#    ISBN 0-12-656460-4.
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#
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#    S Weisberg,
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#    Applied Linear Regression,
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#    Wiley, 1980, pages 128-129.
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#
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#  Discussion:
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#
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#    The data records the average weight of the brain and body for
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#    a number of mammal species.  
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#
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#    There are 62 rows of data.  The 3 data columns include:
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#
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#      I,  the index,
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#      A1, the brain weight;
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#      B,  the body weight.
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#
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#    We seek a model of the form:
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#
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#      B = A1 * X1.
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#
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3 columns
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62 rows
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Index
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Brain Weight
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Body Weight
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1     3.385    44.500
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2     0.480    15.500
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3     1.350     8.100
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4   465.000   423.000
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5    36.330   119.500
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6    27.660   115.000
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7    14.830    98.200
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8     1.040     5.500
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9     4.190    58.000
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10     0.425     6.400
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11     0.101     4.000
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12     0.920     5.700
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13     1.000     6.600
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14     0.005     0.140
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15     0.060     1.000
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16     3.500    10.800
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17     2.000    12.300
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18     1.700     6.300
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19  2547.000  4603.000
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20     0.023     0.300
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21   187.100   419.000
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22   521.000   655.000
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23     0.785     3.500
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24    10.000   115.000
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25     3.300    25.600
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26     0.200     5.000
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27     1.410    17.500
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28   529.000   680.000
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29   207.000   406.000
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30    85.000   325.000
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31     0.750    12.300
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32    62.000  1320.000
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33  6654.000  5712.000
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34     3.500     3.900
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35     6.800   179.000
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36    35.000    56.000
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37     4.050    17.000
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38     0.120     1.000
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39     0.023     0.400
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40     0.010     0.250
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41     1.400    12.500
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42   250.000   490.000
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43     2.500    12.100
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44    55.500   175.000
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45   100.000   157.000
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46    52.160   440.000
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47    10.550   179.500
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48     0.550     2.400
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49    60.000    81.000
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50     3.600    21.000
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51     4.288    39.200
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52     0.280     1.900
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53     0.075     1.200
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54     0.122     3.000
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55     0.048     0.330
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56   192.000   180.000
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57     3.000    25.000
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58   160.000   169.000
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59     0.900     2.600
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60     1.620    11.400
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61     0.104     2.500
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62     4.235    50.400
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#
97
#  Reference:
98
#
99
#    Helmut Spaeth,
100
#    Mathematical Algorithms for Linear Regression,
101
#    Academic Press, 1991, page 304,
102
#    ISBN 0-12-656460-4.
103
#
104
#    S Weisberg,
105
#    Applied Linear Regression,
106
#    Wiley, 1980, pages 128-129.
107
#
108
#  Discussion:
109
#
110
#    The data records the average weight of the brain and body for
111
#    a number of mammal species.  
112
#
113
#    There are 62 rows of data.  The 3 data columns include:
114
#
115
#      I,  the index,
116
#      A1, the brain weight;
117
#      B,  the body weight.
118
#
119
#    We seek a model of the form:
120
#
121
#      B = A1 * X1.
122
#
123

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