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Bigdata Practice Test: Introduction to Data Science
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Bigdata Practice Test: Introduction to Data Science
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25 Questions

1. How many main statistical methodologies are used in data analysis?
2. Which of the following model model include a backwards elimination feature selection routine?
3. The action _______ of a robot arm specify to Place block A on block B.
4. The branch of statistics which deals with development of particular statistical methods is classified as
5. A model of language consists of the categories which does not include ________.
6. Which of the following is a categorical outcome?
7. Which of the following is not a major data analysis approaches?
8. When performing regression or classification, which of the following is the correct way to preprocess the data?
9. A__________ begins by hypothesizing a sentence (the symbol S) and successively predicting lower level constituents until individual preterminal symbols are written.
10. The model will be trained with data in one single batch is known as ?
11. p → 0q is not a?
12. Which of the following are ML methods?
13. Which of the following techniques can not be used for normalization in text mining?
14. Data Analysis is defined by the statistician?
15. Which of the following is a widely used and effective machine learning algorithm based on the idea of bagging?
16. Data Analysis is a process of?
17. Different learning methods does not include?
18. Which is used to inference for 1 proportion using normal approx?
19. Which of the following can be used to impute data sets based only on information in the training set?
20. Data visualization is also an element of the broader _____________.
21. In which of the following cases will K-means clustering fail to give good results? 1) Data points with outliers 2) Data points with different densities 3) Data points with nonconvex shapes
22. Which is used to find the factor congruence coefficients?
23. Which of the following function provides unsupervised prediction ?
24. To find the minimum or the maximum of a function, we set the gradient to zero because:
25. What is a sentence parser typically used for?

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