Page 282 The coefficients in the middle of the page.

data depress; set "c:cama3depress"; run; proc logistic data = depress desc; model cases = age income; run;

The LOGISTIC Procedure Analysis of Maximum Likelihood Estimates Standard Wald Parameter DF Estimate Error Chi-Square Pr > ChiSq Intercept 1 0.0280 0.4872 0.0033 0.9542 AGE 1 -0.0202 0.00890 5.1385 0.0234 INCOME 1 -0.0413 0.0141 8.6500 0.0033 <some output omitted>

Page 283 Figure 12.1 Logistic function for the depression data set.

We were unable to reproduce this graph.

Page 286 Table 12.1 Classification of individuals by depression level and sex.

proc freq data = depress; tables sex*cases; run;

The FREQ Procedure Table of SEX by CASES SEX CASES Frequency| Percent | Row Pct | Col Pct | 0| 1| Total ---------+--------+--------+ 1 | 101 | 10 | 111 | 34.35 | 3.40 | 37.76 | 90.99 | 9.01 | | 41.39 | 20.00 | ---------+--------+--------+ 2 | 143 | 40 | 183 | 48.64 | 13.61 | 62.24 | 78.14 | 21.86 | | 58.61 | 80.00 | ---------+--------+--------+ Total 244 50 294 82.99 17.01 100.00

Page 286 The estimates at the bottom of the page.

data depress; set depress; sex1 = sex - 1; run; proc logistic data = depress desc; model cases = sex1; run;

The LOGISTIC Procedure Analysis of Maximum Likelihood Estimates Standard Wald Parameter DF Estimate Error Chi-Square Pr > ChiSq Intercept 1 -2.3125 0.3315 48.6603 <.0001 sex1 1 1.0385 0.3767 7.6013 0.0058 Odds Ratio Estimates Point 95% Wald Effect Estimate Confidence Limits sex1 2.825 1.350 5.911 <some output omitted>

Page 287 The odds ratios at the top of the page.

NOTE: This is given as part of the output from the

proc logisticabove.

Page 288 Table of coefficients and standard errors.

proc logistic data = depress desc; model cases = age income; run;

The LOGISTIC Procedure Analysis of Maximum Likelihood Estimates Standard Wald Parameter DF Estimate Error Chi-Square Pr > ChiSq Intercept 1 0.0280 0.4872 0.0033 0.9542 AGE 1 -0.0202 0.00890 5.1385 0.0234 INCOME 1 -0.0413 0.0141 8.6500 0.0033 <some output omitted>

Page 294 Figure 12.2 Percentage of individuals correctly classified by logistic regression.

We were unable to reproduce this graph.

Page 295 Figure 12.3 ROC curve from logistic regression for the depression data set.

We were unable to reproduce this graph.