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