Lecture 19

We discussed the problem of serial correlation. We discussed how to conduct weighted regression. We discussed visually assessing the plot of residuals vs. the fits. And we summarized the important points for One-way ANOVA and simple linear regression.

Original paper containing tables for the Durban-Watson statistic on page 16-18.

Fabricated microarray data:

Day	gene 1	gene 2
0	948	914
1	2261	2562
2	1896	2165
3	2136	2541
4	1626	2012
5	1717	2087
6	1378	1666
7	1596	1975
8	1496	1721
9	2626	3283
10	2031	2463

Consider our (old) salary data from last time for weighted regression:

experience      salary
7       26075
28      79370
23      65726
18      41983
19      62309
15      41154
24      53610
13      33697
2       22444
8       32562
20      43076
21      56000
18      58667
7       22210
2       20521
18      49727
11      33233
21      43628
4       16105
24      65644
20      63022
20      47780
15      38853
25      66537
25      67447
28      64785
26      61581
27      70678
20      51301
18      39346
1       24833
26      65929
20      41721
26      82641
28      99139
23      52624
17      50594
25      53272
26      65343
19      46216
16      54288
3       20844
12      32586
23      71235
20      36530
19      52745
27      67282
25      80931
12      32303
11      38371