The name is absent



Stata Technical Bulletin

11


I marital

inpovI

0

1

2

3

4 I

Total

0 I
I

12630

94.42

87ε

78.83

1926

81.22

322

75.06

8960 I

81.28 I

—

24712

87.30

i I
I

746
ε.εs

23ε

21.17

446

18.78

107

24.94

2063 I

18.72 I

—

3596

12.70

-----------+—

Total I
I

13376

100.00

1110

100.00

2370

100.00

429

100.00

11023 I

100.00 I

28308

100.00

. tabulate race [weight=pwgt]

(frequency weights assumed)

race I Freq. Percent        Cum.

—

-+-----------------------------------

1

I       26059

92.06

92.06

2

I          530

1.87

93.93

4

I               19

0.07

93.99

6

I          209

0.74

94.73

8

I             77

0.27

95.00

9

I             93

0.33

95.33

10

I             28

0.10

95.43

11

I          226

0.80

96.23

12

I             54

0.19

96.42

14

I               19

0.07

96.49

15

I               16

0.06

96.55

16

I             51

0.18

96.73

23

I             38

0.13

96.86

37

I          516

1.82

98.68

302

I               10

0.04

98.72

304

I               13

0.05

98.76

307

I                  6

0.02

98.78

308

I                  6

0.02

98.81

312

I               16

0.06

98.86

315

I                  3

0.01

98.87

316

I             29

0.10

98.98

317

I             22

0.08

99.05

320

I                  7

0.02

99.08

322

I               12

0.04

99.12

323

I             57

0.20

99.32

326

I           131

0.46

99.78

327

—

I             61

.+---------------

0.22

100.00
—

Total I 28308      100.00

. * where :

. * 001 White 002 Black 004 Eskimo 005 Aleut

. * ...

. * others are as defined in the PUMS documentation.

As you can see, the PUMS data provide a rich source of socioeconomic data that can readily be analyzed using Stata. We
encourage you to explore these data.

sg26.1 Fractional polynomials: Correction

Patrick Royston, Royal Postgraduate Medical School, London, FAX (011)-44-81-740-3119

Douglas G. Altman, Imperial Cancer Research Fund, London, FAX (011)-44-71-269-3429

Three errors in fp.ado have come to light since its publication in STB-21 (Royston and Altman 1994). These are corrected
in the present release. The errors are as follows.

1. The comparison and estimates options were inoperative when used at the model-fitting stage (they did work in ‘replay’
mode).

2. Replay of models containing basevars did not display regression coefficients for the basevars as it should.

3. With the estimates option, the deviance of the best-fitting fractional polynomial (FP) model should be displayed at the
foot of the regression output. In fact, the deviance of the base model (that is, without FP terms) was given instead.



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