If you are still struggling to prepare for passing E20-007 certification exam, at this moment IT-Tests.com can help you solve problem. IT-Tests.com can provide you training materials with good quality to help you pass the exam, then you will become a good EMC E20-007 certification member. If you have decided to upgrade yourself by passing EMC certification E20-007 exam, then choosing IT-Tests.com is not wrong. Our IT-Tests.com promise you that you can pass your first time to participate in the EMC certification E20-007 exam and get EMC E20-007 certification to enhance and change yourself.
Now it is a society of abundant capable people, and there are still a lot of industry is lack of talent, such as the IT industry is quite lack of technical talents. EMC certification E20-007 exam is one of testing IT technology certification exams. IT-Tests.com is a website which provide you a training about EMC certification E20-007 exam related technical knowledge.
Feedbacks of many IT professionals who have passed EMC certification E20-007 exam prove that their successes benefit from IT-Tests's help. IT-Tests's targeted test practice questions and answers to gave them great help, which save their valuable time and energy, and allow them to easily and smoothly pass their first EMC certification E20-007 exam. So IT-Tests.com a website worthy of your trust. Please select IT-Tests, you will be the next successful IT person. IT-Tests.com will help you achieve your dream.
In real life, every great career must have the confidence to take the first step. When you suspect your level of knowledge, and cramming before the exam, do you think of how to pass the EMC E20-007 exam with confidence? Do not worry, IT-Tests.com is the only provider of training materials that can help you to pass the exam. Our training materials, including questions and answers, the pass rate can reach 100%. With IT-Tests.com EMC E20-007 exam training materials, you can begin your first step forward. When you get the certification of EMC E20-007 exam, the glorious period of your career will start.
Many people think that passing some difficult IT certification exams needs to be proficient in much of IT expertise and only these IT personnels who grasp the comprehensive IT knowledge would be able to enroll in the exam. In fact, there are many ways to help you make up for your lack of knowledge, and pass the IT certification exams in the same. Perhaps you would spend less time and effort than the people who grasp fairly comprehensive expertise. The saying goes, all roads lead to Rome.
IT-Tests.com is the only website which is able to supply all your needed information about EMC certification E20-007 exam. Using The information provided by IT-Tests.com to pass EMC certification E20-007 exam is not a problem, and you can pass the exam with high scores.
Exam Code: E20-007
Exam Name: EMC (Data Science and Big Data Analytics)
Free One year updates to match real exam scenarios, 100% pass and refund Warranty.
Total Q&A: 165 Questions and Answers
Last Update: 2013-12-31
E20-007 (Data Science and Big Data Analytics) Free Demo Download: http://www.it-tests.com/E20-007.html
NO.1 In data visualization, what is used to focus the audience on a key part of a chart?
A. Emphasis colors
B. Detailed text
C. Pastel colors
D. A data table
Answer: A
EMC E20-007 demo E20-007 dumps E20-007 E20-007
NO.2 You are using MADlib for Linear Regression analysis. Which value does the statement return?
SELECT (linregr(depvar, indepvar)).r2 FROM zeta1;
A. Goodness of fit
B. Coefficients
C. Standard error
D. P-value
Answer: A
EMC E20-007 braindump E20-007 E20-007 exam simulations E20-007 certification
NO.3 Which word or phrase completes the statement? Data-ink ratio is to data visualization as __________ .
A. Confusion matrix is to classifier
B. Data scientist is to big data
C. Seasonality is to ARIMA
D. K-means is to Naive Bayes
Answer: A
EMC E20-007 practice test E20-007 exam simulations
NO.4 Your colleague, who is new to Hadoop, approaches you with a question. They want to know how best
to access their data. This colleague has a strong background in data flow languages and programming.
Which query interface would you recommend?
A. Pig
B. Hive
C. Howl
D. HBase
Answer: A
EMC demo E20-007 pdf E20-007 E20-007 test
NO.5 What is an appropriate data visualization to use in a presentation for an analyst audience?
A. Pie chart
B. Area chart
C. Stacked bar chart
D. ROC curve
Answer: D
EMC E20-007 E20-007 E20-007 E20-007 E20-007
NO.6 When would you use GROUP BY ROLLUP clause in your OLAP query?
A. where all subtotals and grand totals are to be included in the output
B. where only the subtotals are to be included in the output
C. where only the grand totals are to be included in the output
D. where only specific subtotals and grand totals for a combination of variables are to be included in the
output
Answer: A
EMC E20-007 E20-007 exam dumps E20-007 certification
NO.7 You are using the Apriori algorithm to determine the likelihood that a person who owns a home has a
good credit score. You have determined that the confidence for the rules used in the algorithm is > 75%.
You calculate lift = 1.011 for the rule, "People with good credit are homeowners". What can you determine
from the lift calculation?
A. Support for the association is low
B. Leverage of the rules is low
C. The rule is coincidental
D. The rule is true
Answer: C
EMC E20-007 E20-007 certification training E20-007 dumps E20-007 dumps E20-007 exam
NO.8 Which data asset is an example of quasi-structured data.?
A. Webserver log
B. XML data file
C. Database table
D. News article
Answer: A
EMC E20-007 E20-007
NO.9 The web analytics team uses Hadoop to process access logs. They now want to correlate this data
with structured user data residing in a production single-instance JDBC database. They collaborate with
the production team to import the data into Hadoop. Which tool should they use?
A. Sqoop
B. Pig
C. Chukwa
D. Scribe
Answer: A
EMC dumps E20-007 original questions E20-007 E20-007 E20-007 exam dumps
NO.10 Which type of numeric value does a logistic regression model estimate?
A. Probability
B. A p-value
C. Any integer
D. Any real number
Answer: A
EMC practice test E20-007 exam simulations E20-007 certification E20-007 questions
NO.11 What does the R code
z <- f[1:10, ]
do?
A. Assigns the first 10 rows of f to the vector z
B. Assigns the 1st 10 columns of the 1st row of f to z
C. Assigns a sequence of values from 1 to 10 to z
D. Assigns the 1st 10 columns to z
Answer: A
EMC study guide E20-007 original questions E20-007 E20-007 E20-007
NO.12 Consider a database with 4 transactions:
Transaction 1: {cheese, bread, milk}
Transaction 2: {soda, bread, milk}
Transaction 3: {cheese, bread}
Transaction 4: {cheese, soda, juice}
The minimum support is 25%. Which rule has a confidence equal to 50%?
A. {bread,milk} => {cheese}
B. {bread} => {milk}
C. {juice} => {soda}
D. {bread} => {cheese}
Answer: D
EMC E20-007 test E20-007 E20-007 questions
NO.13 Under which circumstance do you need to implement N-fold cross-validation after creating a
regression model?
A. There is not enough data to create a test set.
B. The data is unformatted.
C. There are missing values in the data.
D. There are categorical variables in the model.
Answer: A
EMC exam E20-007 certification E20-007 E20-007 braindump E20-007
NO.14 What would be considered "Big Data"?
A. An OLAP Cube containing customer demographic information about 100,000,000 customers
B. Daily Log files from a web server that receives 100,000 hits per minute
C. Aggregated statistical data stored in a relational database table
D. Spreadsheets containing monthly sales data for a Global 100 corporation
Answer: B
EMC E20-007 study guide E20-007 E20-007 E20-007 questions
NO.15 Consider a database with 4 transactions:
Transaction 1: {cheese, bread, milk}
Transaction 2: {soda, bread, milk}
Transaction 3: {cheese, bread}
Transaction 4: {cheese, soda, juice}
You decide to run the association rules algorithm where minimum support is 50%. Which rule has a
confidence at least 50%?
A. {cheese} => {bread}
B. {juice} => {cheese}
C. {milk} => {soda}
D. {soda} => {milk}
Answer: A
EMC study guide E20-007 study guide E20-007
NO.16 In R, functions like plot() and hist() are known as what?
A. generic functions
B. virtual methods
C. virtual functions
D. generic methods
Answer: B
EMC E20-007 E20-007 E20-007 certification training
NO.17 In which lifecycle stage are test and training data sets created?
A. Model building
B. Model planning
C. Discovery
D. Data preparation
Answer: A
EMC E20-007 dumps E20-007 E20-007 study guide E20-007 questions E20-007
NO.18 A data scientist plans to classify the sentiment polarity of 10, 000 product reviews collected from the
Internet. What is the most appropriate model to use? Suppose labeled training data is available.
A. Na ve Bayesian classifier
B. Linear regression
C. Logistic regression
D. K-means clustering
Answer: A
EMC certification E20-007 E20-007 original questions
NO.19 When creating a presentation for a technical audience, what is the main objective?
A. Show that you met the project goals
B. Show how you met the project goals
C. Show if the model will meet the SLA
D. Show the technique to be used in the production environment
Answer: B
EMC E20-007 E20-007 E20-007 E20-007 demo E20-007
NO.20 Your company has 3 different sales teams. Each team's sales manager has developed incentive offers
to increase the size of each sales transaction. Any sales manager whose incentive program can be
shown to increase the size of the average sales transaction will receive a bonus.
Data are available for the number and average sale amount for transactions offering one of the incentives
as well as transactions offering no incentive.
The VP of Sales has asked you to determine analytically if any of the incentive programs has resulted in a
demonstrable increase in the average sale amount. Which analytical technique would be appropriate in
this situation?
A. One-way ANOVA
B. Multi-way ANOVA
C. Student's t-test
D. Wilcoxson Rank Sum Test
Answer: A
EMC exam dumps E20-007 E20-007 test answers E20-007 exam
IT-Tests.com offer the latest 000-622 Questions & Answers and high-quality 70-464 PDF Practice Test. Our MB6-886 VCE testing engine and 1z0-465 study guide can help you pass the real exam. High-quality 000-155 Real Exam Questions can 100% guarantee you pass the exam faster and easier. Pass the exam to obtain certification is so simple.
Article Link: http://www.it-tests.com/E20-007.html
没有评论:
发表评论