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E20-007 Questions and Answers
Refer to the exhibit. Exhibit.
You have scored your Naive bayesian classifier model on a hold out test data for cross validation and determined the way the samples scored and tabluated them as shown in the exhibit. What are the Precision and Recall rate of the model?
- Precision = 262/277 Recall = 262/288
- Precision =262/288 Recall = 262/277
- Precision = 277/262 Recall = 288/262
- Precision = 288/262 Recall = 277/262
Which ROC curve represents a perfect model fit?
- Exhibit A
- Exhibit B
- Exhibit C
- Exhibit D
Refer to the exhibit. Exhibit.
You have scored your Naive bayesian classifier model on a hold out test data for cross validation and determined the way the samples scored and tabulated them as shown in the exhibit. What are the the False Positive Rate (FPR) and the False Negative Rate (FNR) of the model?
A. FPR = 15/262 FNR = 26/288 B. FPR = 26/288 FNR = 15/262 C. FPR = 262/15
FNR = 288/26 68
D. FPR = 288/26 FNR = 262/15
Refer to the exhibit. Exhibit.
Click on the calculator icon in the upper left corner. An analyst is searching a corpus of documents for the topic "solid state disk". In the Exhibit, Table A provides the inverse document frequency for each term across the corpus. Table B provides each term's frequency in four documents selected from corpus. Which of the four documents is most relevant to the analyst's search?
- Document B
- Document A
- Document C
- Document D
Refer to the exhibit. Exhibit.
Click on the calculator icon in the upper left corner. You are going into a meeting where you know your manager will have a question on your dataset -- specifically relating to customers that are classified as renters with good credit status. In order to prepare for the meeting, you create a rule: RENTER => GOOD CREDIT. What is the confidence of the rule?
EMC E20-007 Exam (Data Science Associate) Detailed Information
E20-007 - Data Science Associate
EMC Education Services
Data Science Associate (EMCDSA)
Proven Professional Website
Proven Professional Community
This certification enables the learner to immediately participate in big data and other analytics projects. The certification validates the practical foundation skills required by a Data Scientist.
To complete the requirements for this certification you must:
Pass the following Associate level exam:
E20-007 Data Science and Big Data Analytics Exam
This certification will qualify towards the Specialist level certification in the EMC Proven Professional Data Scientist (EMCDS) track including the following:
- EMC Data Scientist, Advanced Analytics Specialist
Note: These details reflect certification requirements as of 3/30/12.
The Proven Professional Program periodically updates certification requirements.
*Please check the Proven Professional CertTracker website regularly for the latest information and for other options to meet the Associate level requirement.
EMC Education Services
E20-007 Data Science and Big Data Analytics Exam
Pass Score: 60
Associate Exam E20-007
This exam is a qualifying exam for the Data Science Associate (EMCDSA) certification.
This exam focuses on the practice of data analytics, the role of the Data Scientist, the main phases of the Data Analytics Lifecycle, analyzing and exploring data with R,
statistics for model building and evaluation, the theory and methods of advanced analytics and statistical modeling, the technology and tools that can be used for advanced analytics, operationalizing an analytics project, and data visualization techniques. Successful candidates will achieve the EMC Proven Professional – Data Science Associate credential.
EMC provides free practice tests to assess your knowledge in preparation for the exam. Practice tests allow you to become familiar with the topics and question types you will
find on the proctored exam. Your results on a practice test offer one indication of how prepared you are for the proctored exam and can highlight topics on which you need to study and train further. A passing score on the practice test does not guarantee a passing score on the certification exam.
Topics likely to be covered on this exam include:
Big Data Analytics and the Data Scientist Role (7%)
- The characteristics of Big Data
- The practice of analytics
- The role and required skills of a Data ScientistData Analytics Lifecycle (9%)
- Data preparation
- Model planning and building
- Communicating results
- Operationalizing a data analytics projectInitial Analysis of the Data (15%)
- Using basic R commands to analyze data
- Using statistical measures and visualization to understand data
- The theory, process, and analysis of results to evaluate a model
Advanced Analytics for Big Data – Theory and Methods (40%) K-means clustering
Hopkinton Massachusetts 01748-9103
- Association rules
- Linear regression
- Logistic Regression
- Naïve Bayesian classifiers
- Decision trees
- Time Series Analysis
- Text AnalyticsAdvanced Analytics for Big Data – Technology and Tools (20%)
- Hadoop Ecosystem
- SQL OLAP extensions, Windows functions, user defined functions, and aggregates
- MADlibOperationalizing an Analytics Project and Data Visualization Techniques (9%)
- Best practices for operationalizing an analytics project
- Best practices for planning and creating effective data visualizations
The percentages after each topic above reflects the approximate distribution of the total question set across the exam.
Data Science and Big Data Analytics
Data Science and Big Data Analytics – Video ILT
The following curriculum is recommended for candidates preparing to take this exam. Please complete one of the following courses
The course material is supplemented by the textbook. Text book is optional
Data Science and Big Data Analytics: Discovering, Analyzing, Visualizing and Presenting Data
Purchasing Options available at: http://www.wiley.com/WileyCDA/WileyTitle/productCd- 111887613X.html
Note: These exam description details reflect contents as of March 30, 2012.
The Proven Professional Program periodically updates exams to reflect technical currency and relevance. Please check the Proven Professional website regularly for the latest information.
EMC2, EMC, EMC Proven, and the EMC logo are registered trademarks or trademarks of EMC Corporation in the United States and other countries. VMware is a registered trademark or trademark of VMware, Inc., in the United States and other jurisdictions. © Copyright 2015 EMC Corporation. All rights reserved. Published in the USA. 03/12 Exam Description
EMC believes the information in this document is accurate as of its publication date. The information is subject to change without notice.