Page 294, Table 8.1 and example 8.2
use "A:table81.dta", clear rename col1 cluster rename col2 m rename col3 y list
+--------------------+
| cluster m y |
|--------------------|
1. | 1 8 96 |
2. | 2 12 121 |
3. | 3 4 42 |
4. | 4 5 65 |
5. | 5 6 52 |
|--------------------|
6. | 6 6 40 |
7. | 7 7 75 |
8. | 8 5 65 |
9. | 9 8 45 |
10. | 10 3 50 |
|--------------------|
11. | 11 2 85 |
12. | 12 6 43 |
13. | 13 5 54 |
14. | 14 10 49 |
15. | 15 9 53 |
|--------------------|
16. | 16 3 50 |
17. | 17 6 32 |
18. | 18 5 22 |
19. | 19 5 45 |
20. | 20 4 37 |
|--------------------|
21. | 21 6 51 |
22. | 22 8 30 |
23. | 23 7 39 |
24. | 24 3 47 |
25. | 25 8 41 |
+--------------------+
tabstat m y, s(sum)
stats | m y
---------+--------------------
sum | 151 1329
------------------------------
Page 295 NOTE: Use the y-bar as calculated in the middle of page 295, not the mean of income (y) shown in the table.
display 53.16/6.04 8.8013245
gen diff = (y - 8.801*m) tabstat m y diff, s(n mean median sd)
stats | m y diff
---------+------------------------------
N | 25 25 25
mean | 6.04 53.16 .0019601
p50 | 6 49 .995
sd | 2.371357 21.78432 25.18887
----------------------------------------
Page 296, the table at the top
tabstat y m, s(n mean sd)
stats | y m
---------+--------------------
N | 25 25
mean | 53.16 6.04
sd | 21.78432 2.371357
------------------------------
corr y m
(obs=25)
| y m
-------------+------------------
y | 1.0000
m | 0.3031 1.0000
Page 296, Figure 8.1
scatter y m, xlabel(2(2)12) ylabel(35 70 105)
Page 309
use "A:table82.dta", clear rename col1 cluster rename col2 m rename col3 a tabstat m a, s(sum)
stats | m a ---------+-------------------- sum | 151 72 ------------------------------
di 72/151 .47682119
gen diff = a - (.48*m) list
+--------------------------+ | cluster m a diff | |--------------------------| 1. | 1 8 4 .16 | 2. | 2 12 7 1.24 | 3. | 3 4 1 -.92 | 4. | 4 5 3 .6 | 5. | 5 6 3 .12 | |--------------------------| 6. | 6 6 4 1.12 | 7. | 7 7 4 .64 | 8. | 8 5 2 -.4 | 9. | 9 8 3 -.84 | 10. | 10 3 2 .56 | |--------------------------| 11. | 11 2 1 .04 | 12. | 12 6 3 .12 | 13. | 13 5 2 -.4 | 14. | 14 10 5 .2 | 15. | 15 9 4 -.32 | |--------------------------| 16. | 16 3 1 -.44 | 17. | 17 6 4 1.12 | 18. | 18 5 2 -.4 | 19. | 19 5 3 .6 | 20. | 20 4 1 -.92 | |--------------------------| 21. | 21 6 3 .12 | 22. | 22 8 3 -.84 | 23. | 23 7 4 .64 | 24. | 24 3 0 -1.44 | 25. | 25 8 3 -.84 | +--------------------------+
tabstat m a diff, s(n mean median sd)
stats | m a diff ---------+------------------------------ N | 25 25 25 mean | 6.04 2.88 -.0192 p50 | 6 3 .12 sd | 2.371357 1.508863 .72628 ----------------------------------------
tabstat m, s(sum)
variable | sum -------------+---------- m | 151 ------------------------
di 151/25 6.04
Page 310
tabstat a m, s(n mean sd)
stats | a m ---------+-------------------- N | 25 25 mean | 2.88 6.04 sd | 1.508863 2.371357 ------------------------------
corr a m
(obs=25) | a m -------------+------------------ a | 1.0000 m | 0.8864 1.0000
Page 310, Figure 8.2
scatter a m, xlabel(2(2)12) ylabel(0(2.5)7.5)
