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4 cards from this section. Quick, good the night before a test.
What is the first step in the data-driven decision-making framework?
Think about what you need to identify before collecting data.
Name one source of data for data collection.
What widely used systems help companies manage their customer relationships?
What is the first step in the data-driven decision-making framework?
Think about what needs to be established first before moving forward.
True or False: Data preprocessing is optional in the data-driven decision-making framework.
What happens if data isn't cleaned and prepared properly?
You’re given a dataset with numerous missing values across different columns. Design a data preprocessing approach that ensures minimal data loss while maximizing useful information retention.
What are some imputation techniques you’ve already learned?
A company’s sales model is showing a decline in performance after six months of deployment despite previously high accuracy. Develop a plan to investigate this model drift.
What are common indicators of model performance that you can monitor?
7 more questions in this section. Enroll free to practise them all.
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