IBM Watson Data Scientist v1 認定 C1000-154 試験問題:
1. In the case of imbalanced data, what technique is recommended to ensure that the train and test sets have similar distributions of the target variable?
A) Splitting based on the order of data collection
B) Using only the majority class for splitting
C) Stratified split
D) Random split without considering the target variable
2. In Cognos Analytics, which two features distinguish stories from dashboards?
A) Stories are text-based and do not contain visualizations.
B) Stories convey a conclusion.
C) Stories automatically load different filters for different users.
D) Stories can be embedded in websites or documents.
E) Stories provide a narrative over time.
3. When comparing models to choose the best one, which factor is least likely to be considered?
A) The explainability of the model's predictions
B) The complexity of the model
C) The color scheme of the model's output visualizations
D) The performance of the model on validation data
4. Which two packages can be used to customize the software configuration of a Jupyter notebook environment in Cloud Pak for Data?
A) sudo
B) vim
C) bash
D) pip
E) conda
5. How can data splits be made reproducible in a machine learning experiment?
A) By partitioning the data manually
B) By using a different random seed each time the data is split
C) By splitting the data in a sequential manner without randomization
D) By using a consistent random seed when splitting the data
質問と回答:
質問 # 1 正解: C | 質問 # 2 正解: B、E | 質問 # 3 正解: C | 質問 # 4 正解: D、E | 質問 # 5 正解: D |