Model Information
| Model Information | ||
|---|---|---|
| Data Set | MYLIB.VIDEOGAMEDATAPRIMARYV2 | |
| Response Variable | score_phrase | score_phrase |
| Number of Response Levels | 2 | |
| Model | binary logit | |
| Optimization Technique | Fisher's scoring | |
Results: Binary Logistic Regression
The LOGISTIC Procedure
Observations Summary
| Number of Observations Read | 4571 |
|---|---|
| Number of Observations Used | 4571 |
Response Profile
| Response Profile | ||
|---|---|---|
| Ordered Value |
score_phrase | Total Frequency |
| 1 | Bad | 1422 |
| 2 | Good | 3149 |
Probability modeled is score_phrase='Good'.
Convergence Status
| Model Convergence Status |
|---|
| Convergence criterion (GCONV=1E-8) satisfied. |
Fit Statistics
| Model Fit Statistics | ||
|---|---|---|
| Criterion | Intercept Only | Intercept and Covariates |
| AIC | 5669.778 | 2413.708 |
| SC | 5676.206 | 2458.701 |
| -2 Log L | 5667.778 | 2399.708 |
Global Tests
| Testing Global Null Hypothesis: BETA=0 | |||
|---|---|---|---|
| Test | Chi-Square | DF | Pr > ChiSq |
| Likelihood Ratio | 3268.0696 | 6 | <.0001 |
| Score | 2473.8905 | 6 | <.0001 |
| Wald | 1007.4369 | 6 | <.0001 |
Parameter Estimates
| Analysis of Maximum Likelihood Estimates | |||||
|---|---|---|---|---|---|
| Parameter | DF | Estimate | Standard Error |
Wald Chi-Square |
Pr > ChiSq |
| Intercept | 1 | -16.4065 | 0.5620 | 852.2141 | <.0001 |
| NA_Sales | 1 | 1.3564 | 0.5794 | 5.4805 | 0.0192 |
| EU_Sales | 1 | 0.3963 | 0.5966 | 0.4412 | 0.5066 |
| JP_Sales | 1 | 0.9931 | 0.6456 | 2.3661 | 0.1240 |
| Global_Sales | 1 | -0.6550 | 0.4849 | 1.8246 | 0.1768 |
| Critic_Score | 1 | 0.2404 | 0.00809 | 883.3136 | <.0001 |
| User_Score | 1 | 0.0883 | 0.0442 | 3.9839 | 0.0459 |
Odds Ratios
| Odds Ratio Estimates | |||
|---|---|---|---|
| Effect | Point Estimate | 95% Wald Confidence Limits |
|
| NA_Sales | 3.882 | 1.247 | 12.085 |
| EU_Sales | 1.486 | 0.462 | 4.786 |
| JP_Sales | 2.700 | 0.762 | 9.569 |
| Global_Sales | 0.519 | 0.201 | 1.344 |
| Critic_Score | 1.272 | 1.252 | 1.292 |
| User_Score | 1.092 | 1.002 | 1.191 |
Association Statistics
| Association of Predicted Probabilities and Observed Responses | |||
|---|---|---|---|
| Percent Concordant | 94.9 | Somers' D | 0.898 |
| Percent Discordant | 5.1 | Gamma | 0.898 |
| Percent Tied | 0.0 | Tau-a | 0.385 |
| Pairs | 4477878 | c | 0.949 |
ROC Curve
Influence Plots
Panel 1
Panel 2
