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