Machine Learning Zoomcamp 2025
Homework 2: Machine Learning for Regression Statistics
Distribution of scores and reported study time for this homework.
Score distribution
All values are points.
| Metric |
Min |
Q1 |
Median |
Average |
Q3 |
Max |
| Questions score |
- |
4.0 |
5.0 |
4.7 |
6.0 |
6 |
| Learning in public score |
- |
0.0 |
0.0 |
0.5 |
0.0 |
7 |
| Total score |
- |
4.0 |
5.0 |
5.3 |
6.0 |
14 |
Questions score
- Min
- -
- Median
- 5.0
- Max
- 6
- Q1
- 4.0
- Avg
- 4.7
- Q3
- 6.0
Learning in public score
- Min
- -
- Median
- 0.0
- Max
- 7
- Q1
- 0.0
- Avg
- 0.5
- Q3
- 0.0
Total score
- Min
- -
- Median
- 5.0
- Max
- 14
- Q1
- 4.0
- Avg
- 5.3
- Q3
- 6.0
Time distribution
All values are hours reported by students.
| Metric |
Min |
Q1 |
Median |
Average |
Q3 |
Max |
| Lectures |
0.0 |
3.0 |
5.0 |
8.1 |
8.0 |
138.0 |
| Homework |
0.0 |
2.0 |
3.0 |
3.9 |
4.0 |
48.0 |
Lectures
- Min
- 0.0
- Median
- 5.0
- Max
- 138.0
- Q1
- 3.0
- Avg
- 8.1
- Q3
- 8.0
Homework
- Min
- 0.0
- Median
- 3.0
- Max
- 48.0
- Q1
- 2.0
- Avg
- 3.9
- Q3
- 4.0
Question breakdown
Correctness and answer distribution per question.
1. Missing values
1008 / 1025 correct
(98.3%)
1
'engine_displacement'
7 (0.7%)
2
'horsepower'
1010 (98.5%)
3
'vehicle_weight'
2 (0.2%)
4
'model_year'
2 (0.2%)
2. Median for horse power
979 / 1025 correct
(95.5%)
1
49
4 (0.4%)
2
99
22 (2.1%)
3
149
982 (95.8%)
4
199
9 (0.9%)
3. Filling NAs
715 / 1025 correct
(69.8%)
1
With 0
119 (11.6%)
2
With mean
718 (70.0%)
3
Both are equally good
169 (16.5%)
4. Best regularization
600 / 1025 correct
(58.5%)
1
0
601 (58.6%)
2
0.01
319 (31.1%)
3
1
22 (2.1%)
4
10
15 (1.5%)
5
100
30 (2.9%)
5. RMSE Standard Deviation
725 / 1025 correct
(70.7%)
1
0.001
161 (15.7%)
2
0.006
727 (70.9%)
3
0.060
73 (7.1%)
4
0.600
20 (2.0%)
6. Evaluation on test
822 / 1025 correct
(80.2%)
1
0.15
82 (8.0%)
2
0.515
825 (80.5%)
3
5.15
57 (5.6%)
4
51.5
15 (1.5%)
Calculated:
10 October 2025, 14:57