The SAS System

The ARIMA Procedure

Name of Variable = open
Mean of Working Series 32.65
Standard Deviation 3.610202
Number of Observations 83
 
Autocorrelations
Lag Covariance Correlation -1 9 8 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7 8 9 1 Std Error
0 13.033559 1.00000 |                    |********************| 0
1 11.901858 0.91317 |                .   |******************  | 0.109764
2 11.124666 0.85354 |             .      |*****************   | 0.179281
3 10.570075 0.81099 |           .        |****************    | 0.222927
4 10.192225 0.78200 |          .         |****************    | 0.256017
5 9.353493 0.71765 |         .          |**************      | 0.283338
6 8.774484 0.67322 |        .           |*************       | 0.304451
7 8.314458 0.63793 |       .            |*************       | 0.321888
8 7.930328 0.60845 |       .            |************.       | 0.336775
9 7.388911 0.56691 |      .             |***********  .      | 0.349769
10 6.986430 0.53603 |      .             |***********  .      | 0.360670
11 6.618302 0.50779 |     .              |**********    .     | 0.370144
12 6.362159 0.48814 |     .              |**********    .     | 0.378444
13 6.205496 0.47612 |     .              |**********    .     | 0.385955
14 5.863649 0.44989 |    .               |*********      .    | 0.392968
15 5.315635 0.40784 |    .               |********       .    | 0.399125
16 4.900282 0.37597 |    .               |********       .    | 0.404115
17 4.466129 0.34266 |    .               |*******        .    | 0.408308
18 3.806533 0.29206 |    .               |******         .    | 0.411758
19 3.045345 0.23365 |   .                |*****           .   | 0.414246
20 2.429767 0.18642 |   .                |****            .   | 0.415831

"." marks two standard errors

 

Inverse Autocorrelations
Lag Correlation -1 9 8 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7 8 9 1
1 -0.45191 |           *********|   .                |
2 -0.02873 |                .  *|   .                |
3 0.09522 |                .   |** .                |
4 -0.21432 |                ****|   .                |
5 0.12124 |                .   |** .                |
6 0.00338 |                .   |   .                |
7 -0.00162 |                .   |   .                |
8 -0.07933 |                . **|   .                |
9 0.06061 |                .   |*  .                |
10 0.01330 |                .   |   .                |
11 -0.02343 |                .   |   .                |
12 0.08351 |                .   |** .                |
13 -0.06899 |                .  *|   .                |
14 -0.05588 |                .  *|   .                |
15 0.07958 |                .   |** .                |
16 -0.02671 |                .  *|   .                |
17 -0.03482 |                .  *|   .                |
18 -0.00107 |                .   |   .                |
19 0.00558 |                .   |   .                |
20 0.02709 |                .   |*  .                |
 
Partial Autocorrelations
Lag Correlation -1 9 8 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7 8 9 1
1 0.91317 |                .   |******************  |
2 0.11835 |                .   |** .                |
3 0.09606 |                .   |** .                |
4 0.09594 |                .   |** .                |
5 -0.18977 |                ****|   .                |
6 0.04957 |                .   |*  .                |
7 0.02794 |                .   |*  .                |
8 0.02045 |                .   |   .                |
9 -0.02111 |                .   |   .                |
10 0.01395 |                .   |   .                |
11 -0.00049 |                .   |   .                |
12 0.04270 |                .   |*  .                |
13 0.08647 |                .   |** .                |
14 -0.08370 |                . **|   .                |
15 -0.12144 |                . **|   .                |
16 -0.01061 |                .   |   .                |
17 -0.06215 |                .  *|   .                |
18 -0.10758 |                . **|   .                |
19 -0.08490 |                . **|   .                |
20 -0.04783 |                .  *|   .                |
 
Autocorrelation Check for White Noise
To Lag Chi-Square DF Pr > ChiSq Autocorrelations
6 335.92 6 <.0001 0.913 0.854 0.811 0.782 0.718 0.673
12 515.87 12 <.0001 0.638 0.608 0.567 0.536 0.508 0.488
18 613.37 18 <.0001 0.476 0.450 0.408 0.376 0.343 0.292