Data Science Quizz Dive into our tech quiz zone and put your technical skills to the test! Our quizzes cover a wide array of technical topics, perfect for sharpening your knowledge and challenging your understanding. Compete with others, see your rankings, and boost your technical proficiency. Start quizzing today! 1 / 27 1. Which of the following object you get after reading CSV file? Character Vector DataFrame All of the mentioned: Panel 2 / 27 2. Which of the following is used to generate an index with time delta? None of the mentioned LeadIndex TimedeltaIndex TimeIndex 3 / 27 3. Which of the following is prominent python “statistics and econometrics library”? Seaborn None of the mentioned Statsmodels Bokeh 4 / 27 4. Which of the following function can be used to maximize the minimum dissimilarities? avgDiss all of the mentioned sumDiss minDiss 5 / 27 5. Which of the following random variable that take on only a countable number of possibilities? Continuous All of the mentioned: Discrete Non Discrete 6 / 27 6. Which of the following project is used for calling R products from web? All of the mentioned OpenCPU OpenMem OpenDisk 7 / 27 7. Which of the following operations are supported on Time Frames? ixmax none of the mentioned ixmin idxmax 8 / 27 8. Point out the correct statement. None of the mentioned NULL is the standard missing data marker used in S Frequency inference is the use of Bayesian probability representation of beliefs to perform inference Bayesian inference is the use of Bayesian probability representation of beliefs to perform inference 9 / 27 9. Which of the following is an example of raw data? initial time-series file of temperature values all of the mentioned a real-time GPS-encoded navigation file original swath files generated from a sonar system 10 / 27 10. Which of the following function can create the indices for time series type of splitting? newTimeSlices createTimeSlices binTimeSlices none of the mentioned 11 / 27 11. Point out the correct statement. Pandas consist of set of labeled array data structures Pandas consist of moving window statistics All of the mentioned Pandas consist of an integrated group by engine for aggregating and transforming data sets 12 / 27 12. Data that summarize all observations in a category are called __________ data. frequency summarized raw none of the mentioned 13 / 27 13. Which of the following scalars can be converted to other ‘frequencies’ by as typing to a specific timedelta type? All of the mentioned TimedeltaIndex Timedelta Series Timedelta 14 / 27 14. Point out the correct statement. Questions are obtained after data processing steps Secondary data is original source of data Primary data is original source of data None of the Mentioned 15 / 27 15. Point out the correct statement. Timedeltas are differences in times, expressed in difference units All of the mentioned DateOffsets cannot be used in construction You can construct a Timedelta scalar through various argument 16 / 27 16. Point out the wrong statement. Shiny is platform for creating interactive programs embedded in to web page All of the mentioned Time required to create data products using shiny is more Shiny is invented by R folks 17 / 27 17. All pandas data structures are ___ mutable but not always _______mutable. value, size none of the mentioned semantic, size size, value 18 / 27 18. Which of the following value is provided by kind keyword for barplot? kde hexbin bar none of the mentioned 19 / 27 19. Which of the following is the probability calculus of beliefs, given that beliefs follow certain rules? Frequency inference Frequency probability Bayesian probability Bayesian inference 20 / 27 20. Which of the following data is put into a formula to produce commonly accepted results? All of the Mentioned Synchronized Processed Raw 21 / 27 21. Point out the wrong statement. min, max, idxmin, idxmax operations are supported on Series You cannot pass a timedelta to get a particular value None of the mentioned Division by the numpy scalar is true division 22 / 27 22. The plot method on Series and DataFrame is just a simple wrapper around ____________ plt.plot() plt.plotgraph() gplt.plot() none of the mentioned 23 / 27 23. Point out the correct statement. Data has only qualitative value None of the mentioned: Data has both qualitative and quantitative value Data has only quantitative value 24 / 27 24. Point out the wrong statement. Panel is generally 2D labeled, also size-mutable array DataFrame is general 2D labeled, size-mutable tabular structure with potentially heterogeneously-typed columns Series is 1D labeled homogeneously-typed array None of the mentioned 25 / 27 25. Point out the correct combination with regards to kind keyword for graph plotting. ‘hist’ for histogram ‘area’ for area plots all of the mentioned ‘box’ for boxplot 26 / 27 26. Which of the following method can be used to rename categorical data? None of the mentioned Categorical.mv_categories() Categorical.rename() Categorical.rename_categories() 27 / 27 27. Point out the correct statement. Caret includes several functions to pre-process the predictor data Asymptotics are used for inference usually All of the mentioned The function dummyVars can be used to generate a complete set of dummy variables from one or more factors Your score is 0%
