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