Computing optimal sampling designs for two-stage studies



45


Stata Technical Bulletin


43


mpg



ooooooooooo
ooooooooo
oooooooo
O O
OOOOOO
O O

-16


9 -

-10


1o^


Figure 1. A simple turnip plot for mpg for the auto data.

Figure 2. Higher resolution graph for mpg with line at median.

Finally, we do a turnip plot for only foreign cars with a specified ж-axis label and a horizontal line at the mean.

. turnip mpg if foreign==!, xlabel(-10 10) yline(mean)

# of observations per turnip row is the frequency below:

≡pg I

Freq.

Percent

Cum.

13.88521 I

1

4.55

4.55

16.19941 I

2

9.09

13.64

18.51361 I

2

9.09

22.73

20.82781 I

2

9.09

31.82

23.14201 I

4

18.18

50.00

25.45621 I

5

22.73

72.73

27.77042 I

1

4.55

77.27

30.08462 I

2

9.09

86.36

34.71302 I

2

9.09

95.45

41.65562 I

1

4.55

100.00

Total I

22

100.00

options: XlabeK-IO 10) yline(24.7) ylabel( 24.77272727272727 11 44 )

resolution: 2.314201283894056

yline: 24.77272727272727 (mean)

This gives the plot in Figure 3.

44 -

σ>

E

24.7727

11


h-
-10


Figure 3. Turnip plot for foreign cars with specified я-axis label and a horizontal line at the mean.



More intriguing information

1. DEVELOPING COLLABORATION IN RURAL POLICY: LESSONS FROM A STATE RURAL DEVELOPMENT COUNCIL
2. WP 36 - Women's Preferences or Delineated Policies? The development or part-time work in the Netherlands, Germany and the United Kingdom
3. Hemmnisse für die Vernetzungen von Wissenschaft und Wirtschaft abbauen
4. A Review of Kuhnian and Lakatosian “Explanations” in Economics
5. Governance Control Mechanisms in Portuguese Agricultural Credit Cooperatives
6. The ultimate determinants of central bank independence
7. An Economic Analysis of Fresh Fruit and Vegetable Consumption: Implications for Overweight and Obesity among Higher- and Lower-Income Consumers
8. Explaining Growth in Dutch Agriculture: Prices, Public R&D, and Technological Change
9. Innovation Policy and the Economy, Volume 11
10. The name is absent