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