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