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Data Analysis with Python
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MCQs on pandas, time deltas, python plotting, data structures and computational tools.

Data Analysis with Python
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25 Questions

1. All values of categorical data are either in categories or np.nan.
2. If data is an ndarray, index must be the same length as data.
3. Which of the following object has a method cov to compute covariance between series?
4. Pandas consist of static and moving window linear and panel regression.
5. You can create a scatter plot matrix using the __________ method in pandas.tools.plotting.
6. Which of the following is implemented on DataFrame to compute the correlation between like-labeled Series contained in different DataFrame objects?
7. The result of an operation between unaligned Series will have the ________ of the indexes involved.
8. Which of the following is used for testing for membership in the list of column names?
9. The integer format tracks only the locations and sizes of blocks of data.
10. Which of the following method produces a data ranking with ties being assigned the mean of the ranks for the group?
11. Series is a one-dimensional labeled array capable of holding any data type.
12. Which of the following statement will import pandas?
13. Which of the following library is used to retrieve and acquire statistical data and metadata disseminated in SDMX 2.1?
14. cov and corr supports the optional min_periods keyword.
15. The plot method on Series and DataFrame is just a simple wrapper around ____________
16. Point out the wrong combination with regards to kind keyword for graph plotting.
17. Which of the following can potentially change the dtype of a series?
18. Which of the following is used for machine learning in python?
19. Point out the correct combination with regards to kind keyword for graph plotting.
20. Which of the following method is used for transforming a SparseSeries indexed by a MultiIndex to a scipy.sparse.coo_matrix?
21. Which of the following is the base layer for all of the sparse indexed data structures?
22. Which of the following indexing capabilities is used as a concise means of selecting data from a pandas object?
23. Which of the following plots are used to check if a data set or time series is random?
24. Which of the following takes a dict of dicts or a dict of array-like sequences and returns a DataFrame?
25. Which of the following works analogously to the form of the dict constructor?

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