The SAS System      09:41 Tuesday, November 4, 2008  27

                                  Obs    tree     week      y

                                    1      1      16.86     30
                                    2      1      69.14     58
                                    3      1      94.86     87
                                    4      1     143.43    115
                                    5      1     175.86    120
                                    6      1     196.00    142
                                    7      1     226.00    145
                                    8      2      16.86     33
                                    9      2      69.14     69
                                   10      2      94.86    111
                                   11      2     143.43    156
                                   12      2     175.86    172
                                   13      2     196.00    203
                                   14      2     226.00    203
                                   15      3      16.86     30
                                   16      3      69.14     51
                                   17      3      94.86     75
                                   18      3     143.43    108
                                   19      3     175.86    115
                                   20      3     196.00    139
                                   21      3     226.00    140
                                   22      4      16.86     32
                                   23      4      69.14     62
                                   24      4      94.86    112
                                   25      4     143.43    167
                                   26      4     175.86    179
                                   27      4     196.00    209
                                   28      4     226.00    214
                                   29      5      16.86     30
                                   30      5      69.14     49
                                   31      5      94.86     81
                                   32      5     143.43    125
                                   33      5     175.86    142
                                   34      5     196.00    174
                                   35      5     226.00    177