Computer Science > EXAM > San Jose State University - CS 240: Quiz 2: Data Mining. 100% Correct (All)

San Jose State University - CS 240: Quiz 2: Data Mining. 100% Correct

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Data Mining Quiz, 2 Congratulations! You passed! 1 / 1 points 1. According to the reading, the output of a data mining exercise largely depends on: The quality of the data. ... The programming language used. The data scientist. The scope of the project. 1 / 1 points 2. When data are missing in a systematic way, you can simply extrapolate the data or impute the missing data by filling in the average of the values around the missing data. False. True. 1 / 1 points Data Mining 3. QuWiz,h5aqt uisesatnionesxample of a data reduction algorithm? Prior Variable Analysis. Conjoint Analysis. A/B Testing. Principal Component Analysis. 1 / 1 points 4. After the data are appropriately processed, transformed, and stored, what is a good starting point for data mining? Machine learning. Creating a relational database. Data Visualization. Non-parametric methods. 1 / 1 points 5. “Formal evaluation could include testing the predictive capabilities of the models on observed data to see how e"ective and e cient the algorithms have been in reproducing data.” This is known as: In-sample forecast. Reverse engineering. Prototyping. [Show More]

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