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