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