Free E20-026 Exam Dumps Preview

Which word or phrase completes the statement?
Business Intelligence is to ad-hoc reporting and dashboards as Data Science is to ______________ .

Refer to the exhibit.
After analyzing a dataset, you report findings to your team:
1. Variables A and C are significantly and positively impacting the dependent variable.
2. Variable B is significantly and negatively impacting the dependent variable.
3. Variable D is not significantly impacting the dependent variable. After seeing your findings, the majority of your team agreed that variable B should be positively impacting the dependent variable.

What is a possible reason the coefficient for variable B was negative and not positive?

Refer to the Exhibit.
In the Exhibit, the table shows the values for the input Boolean attributes "A", "B", and "C". It also shows the values for the output attribute "class".

Which decision tree is valid for the data?

In the MapReduce framework, what is the purpose of the Map Function?

Which word or phrase completes the statement? Emphasis color is to standard color as _______ .

In which lifecycle stage are test and training data sets created?

Refer to the exhibit.
You have created a density plot of purchase amounts from a retail website as shown.

What should you do next?

Which graphical representation shows the distribution and multiple summary statistics of a continuous variable for each value of a corresponding discrete variable?

In MADlib what does MAD stand for?

Refer to the exhibit.

Which type of data issue would you suspect based on the exhibit?

Refer to the exhibit.
The exhibit shows four graphs labeled as Fig A thorough Fig D.

Which figure represents the entropy function relative to a Boolean classification and is represented by the formula shown in Exhibit?

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%?

Refer to the exhibit Consider the training data set shown in the exhibit. What are the classification (Y = 0 or

1. and the probability of the classification for the tupleX(0, 0, 1) using Naive Bayesian classifier?

What describes a true limitation of Logistic Regression method?

Which word or phrase completes the statement?
A data warehouse is to a centralized database for reporting as an analytic sandbox is to a _______?

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 equal to 25%?

Refer to the 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?

Which data asset is an example of quasi-structured data?

Which word or phrase completes the statement?
A spreadsheet is to a data island as a centralized database for reporting is to a ________?

Which data type value is used for the observed response variable in a logistic regression model?

A call center for a large electronics company handles an average of 35, 000 support calls a day. The head of the call center would like to optimize the staffing of the call center during the rollout of a new product due to recent customer complaints of long wait times. You have been asked to create a model to optimize call center costs and customer wait times.
The goals for this project include:

1. Relative to the release of a product, how does the call volume change over time?
2. How to best optimize staffing based on the call volume for the newly released product, relative to old products.
3. Historically, what time of day does the call center need to be most heavily staffed?
4. Determine the frequency of calls by both product type and customer language.

Which goals are suitable to be completed with MapReduce?

What are the characteristics of Big Data?

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?

What is the mandatory Clause that must be included when using Window functions?

Refer to the exhibit.
In the exhibit, a correlogram is provided based on an autocorrelation analysis of a sample dataset.

What can you conclude based only on this exhibit?