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[General] Authorized D-DS-FN-23 Pdf - New D-DS-FN-23 Exam Practice

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【General】 Authorized D-DS-FN-23 Pdf - New D-DS-FN-23 Exam Practice

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EMC D-DS-FN-23 Exam Syllabus Topics:
TopicDetails
Topic 1
  • Advanced Analytics for Big Data - Technology and Tools: This section of the exam measures the skills of a Data Science Enthusiast and addresses the technological challenges associated with Big Data. It introduces tools and technologies such as MapReduce, Hadoop, the Hadoop ecosystem, in-database analytics, SQL essentials, and advanced SQL techniques like window functions and MADlib.
Topic 2
  • Operationalizing an Analytics Project and Data Visualization Techniques: This section of the exam measures the skills of an Entry-Level Data Analyst and explains best practices for communicating findings and operationalizing analytics projects. It covers effective methods for presenting projects to various audiences and emphasizes the importance of planning and creating impactful data visualizations.
Topic 3
  • Initial Analysis of the Data: This section of the exam measures the skills of a Data Science Enthusiast and focuses on the first steps in analyzing data. It explains how basic R commands are used for exploration, discusses important statistical measures and visualizations, and describes hypothesis testing techniques for evaluating models.
Topic 4
  • Advanced Analytics - Theory, Application, and Interpretation of Results for Eight Methods: This section of the exam measures the skills of an Entry-Level Data Analyst and covers foundational knowledge in various advanced analytics methods. Topics include the theory, application, and interpretation of K-means clustering, association rules, linear and logistic regression, naïve Bayesian classifiers, decision trees, time series analysis, and text analytics.

EMC Dell Data Science Foundations Sample Questions (Q245-Q250):NEW QUESTION # 245
You have been assigned to do a study of the daily revenue effect of a pricing model of online transactions.
You have tested all the theoretical models in the previous model planning stage, and all tests have yielded statistically insignificant results.
What is your next step?
  • A. Modify samples used by the models and iterate until a significant result occurs.
  • B. Report that the results are insignificant, and reevaluate the original business question.
  • C. Run all the models again against a larger sample, leveraging more historical data.
  • D. Move forward on the model with the highest significance scores relative to the others.
Answer: B

NEW QUESTION # 246
A data scientist wants to predict the probability of death from heart disease based on three risk factors:
age, gender, and blood cholesterol level.
What is the most appropriate method for this project?
  • A. Linear regression
  • B. Apriori algorithm
  • C. K-means clustering
  • D. Logistic regression
Answer: D

NEW QUESTION # 247
Which activity is performed in the Operationalize phase of the Data Analytics Lifecycle?
  • A. Transform existing variables
  • B. Define the process to maintain the model
  • C. Try different analytical techniques
  • D. Try different variables
Answer: B

NEW QUESTION # 248
What is the output format from the Map function of MapReduce?
  • A. Key-value pairs
  • B. Compressed index
  • C. Binary representation of keys concatenated with structured data
  • D. Unique key record and separate records of all possible values
Answer: A

NEW QUESTION # 249
During the data preparation phase, you notice a high correlation between average spend on video games, age of players, and number of science fiction shows watched.
Which technique could you use to address the three correlated variables?
  • A. Drop the three variables to improve the model
  • B. Use scaling to make the three variables equivalent in size
  • C. Square the three variables to remove the correlation
  • D. Combine the three variables into one new variable
Answer: D

NEW QUESTION # 250
......
Success in the D-DS-FN-23 test of the EMC D-DS-FN-23 credential is essential in today's industry to verify the skills and get well-paying jobs in reputed firms around the whole globe. Earning the Dell Data Science Foundations D-DS-FN-23 Certification sharpens your skills and helps you to accelerate your career in today's cut throat competition in the EMC industry. It is not easy to clear the D-DS-FN-23 exam on the maiden attempt.
New D-DS-FN-23 Exam Practice: https://www.fast2test.com/D-DS-FN-23-premium-file.html
P.S. Free & New D-DS-FN-23 dumps are available on Google Drive shared by Fast2test: https://drive.google.com/open?id=1p64mdg2jp3FyBttgXZwCJXXR1AtPIv45
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