Analysis of the Price Influence Factors of Used Audi Cars Based on Ridge Regression Model
Why this work is in the frame
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Bibliographic record
Abstract
This paper uses the ridge regression model to explore the factors affecting the price of second-hand Audi cars. A large number of used Audi car feature data were collected, including the Model, Year, Mileage and other characteristics, as well as their corresponding price. In general, since the development of these factors is homogeneous, so most of their data have multicollinearity problems. If OLS is used to estimate the parameters of the model, the parameters obtained may be difficult to objectively and accurately reflect the actual situation [6]. Using ridge regression model for modeling and prediction to solve the multicollinearity problem by introducing a regularization term. When building the model, this text considered the correlation between features and choose appropriate regularization parameters. The experimental results show that through the ridge regression model, this text analyzed the importance of the characteristics of the regression model, and found that the regression coefficient of Mileage Year and Tax is 5.17296619, -0.60579774 and 1.46868943 respectively, indicating that mileage, age and tax are important factors affecting the price of second-hand Audi cars [3]. This study provides a reliable method for predicting the price factors of the used Audi car market, which has an important reference value for both buyers and sellers.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it