| 模型 | 模型答案 | 正确答案 |
|---|---|---|
| 金声玉亮2.0 | C. How well the sample regression function fits the data. The goodness of fit statistic, such as R-squared, measures how well the sample regression function fits the data. It indicates the proportion of the variation in the dependent variable that is explained by the independent variables in the regression model. |
C |
| deepseekr1 | The goodness of fit statistic, such as R-squared, measures how well the estimated model (sample regression function, SRF) explains the variation in the observed sample data. The SRF is derived from the sample, and its fit to the data is what goodness of fit evaluates. Options A and D incorrectly reference the population regression function (PRF), which is unobserved and not directly assessed. Option B conflates the SRF and PRF relationship, which pertains to estimator properties, not fit. The correct answer is **C**, as it directly addresses the SRF's alignment with the sample data. Answer: C |
C |
| gpto1 | C | C |
| GPT-4o | C. How well the sample regression function fits the data | C |
| llama3.1-70B-Instruct | C |
C |
| llama3.1-405B-Instruct | C. How well the sample regression function fits the data |
C |
| DeepSeek-Coder-V2 | C | C |
| Qwen2-72B-Instruct | C. How well the sample regression function fits the data | C |
| baichuan4 | C | C |
| doubao | C A goodness of fit statistic is used to assess how well a model (in this case, the sample regression function) fits the observed data. |
C |
| minimax | C. How well the sample regression function fits the data | C |
| kimi | C. How well the sample regression function fits the data | C |
| wenxinyiyan | C | C |
| zhipu | C. How well the sample regression function fits the data Goodness of fit statistics like R-squared are used to assess how well the estimated sample regression function captures the variability in the observed data. This makes option C the correct answer. |
C |
| gpto1 | C | C |