Which of the following code would be correct? C. Both A and B Professionals, Teachers, Students and Kids Trivia Quizzes to test your knowledge on the subject. To perform this task, which of the following actions you would take? import numpy as np Number In Python C. Numerical Python D. None Of the above You write following code do to the same: 3) What should be the value of “pattern” in regular expression? 8. 37) Determine the proportion of passengers survived based on their passenger class. print dt, Explanation: The output is as follows : int32. C. SciPy 9. A. bufsize(size) 34)What value should we split on to get individual words? and I think it’s a little different from your answer. What if you could use your technical skills to play this game? import numpy as np Suppose you want to assign a df to df1, so that you can recover original content of df in future using df1 as below. 35) How to set a line width in the plot given below? 27) Which of the following would likely correct this error? 29) You want to read a website which has url as “www.abcd.org”. B. hashable A) 0 False Basic Introduction to Google BigQuery and Data Studio Every Data Scientist Should Know! Now you being a data freak, challenge the hypothesis by scraping data from your college’s website. The 2-gram of this sentence would be [[“this, “is”], [“is”, “a”], [“a, “sample”], [“sample”, “text”]]. D. In Numpy, dimensions are called axes. 8. Now you want to change some values of “Count” column in df. C. setbufsize(size) https://docs.google.com/spreadsheets/d/... https://docs.scipy.org/doc/numpy/reference/generated/numpy.identity.html, http://pandas.pydata.org/pandas-docs/stable/indexing.html#returning-a-view-versus-a-copy, Headstart to Plotting Graphs using Matplotlib library, Boost Model Accuracy of Imbalanced COVID-19 Mortality Prediction Using GAN-based Oversampling Technique, 40 Questions to test a data scientist on Machine Learning [Solution: SkillPower – Machine Learning, DataFest 2017], 25 Questions to test a Data Scientist on Support Vector Machines, Power of Marketing and Business Analytics – An Approach to Grow your Business Online from Scratch, 40 Questions to test a Data Scientist on Clustering Techniques (Skill test Solution), 45 Questions to test a data scientist on basics of Deep Learning (along with solution), 30 Questions to test a data scientist on Linear Regression [Solution: Skilltest – Linear Regression]. Explanation: Pandas is an open-source Python Library providing high-performance data manipulation and analysis tool using its powerful data structures. reviews = [‘movie is unwatchable no matter how decent the first half is . print a, A. Imagine, you have a dataframe train file with 2 columns & 3 rows, which is loaded in pandas. This is as follows: Note: Numpy library has been imported as np, A) resulting_set = train_set.append(test_set), B) resulting_set = np.concatenate([train_set, test_set]), C) resulting_set = np.vstack([train_set, test_set]), Both option A and B would do horizontal stacking, but we would like to have vertical stacking. C. [1, 2, 3] A) new_df = pd.concat([df]*30, index = False), B) new_df = pd.concat([df]*30, ignore_index=True), C) new_df = pd.concat([df]*30, ignore_index=False). So option C is correct. 24) How would you read data from the file using pandas by skipping the first three lines? C) pattern = ‘([a-zA-Z]+i|[a-zA-Z]+ie)(,)’. So you can not only transform and manipulate data, but you can also create strong pipelines and machine learning workflows in a single ecosystem. Learn Data Science Data Analysis with Python Multiple Choice Questions and Answers with explanations. A. Node.js Explanation: All the above are feature of dataframe. C. OutPy You want to keep the threshold for classification to 5, such that if the class is greater than 5, the output should be 1, else output should be 0. A) 1 is view of original dataframe and 2 is a copy of original dataframe. Note: Pandas library has been imported as pd, A) set_index(‘Click_Id’)[‘Count’].to_dict(), B) set_index(‘Count’)[‘Click_Id’].to_dict(), C) We cannot perform this task since dataframe and dictionary are different data structures. D) re.search(‘[B,b]ut, um’, txt)).count(). 1. C. objects Note: HDFS file has been loaded by h5py as hf. A) [200 200 300 400 250] [200 200 300 400 250], B) [100 200 300 400 250] [100 200 300 400 250], C) [200 200 300 400 250] [100 200 300 400 250]. [[ 1.+0.j, 2.+0.j, 3.+0.j]] What will be output for the following code? Most of us use Python as our preferred tool for machine learning. A. ndarray is also known as the axis array. If a dimension is given as ____ in a reshaping operation, the other dimensions are automatically calculated. Faizan is a Data Science enthusiast and a Deep learning rookie. str = “””Email_Address,Nickname,Group_Status,Join_Year Do you remember the game where they played, in which each person drinks a shot whenever someone says “but, um”. For the above graph, the code for producing the plot was. And option C is wrong, because the syntax is incorrect. http://pandas.pydata.org/pandas-docs/stable/indexing.html#returning-a-view-versus-a-copy To perform this action, I am giving an identity matrix as input. D. Error, Explanation: The output is as follows : [1, 2, 3], 5.
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