Study D-DS-FN-23 Dumps | D-DS-FN-23 Valid Dumps Book

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EMC D-DS-FN-23 Exam Syllabus Topics:

Topic	Details
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	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.
Topic 3	Big Data, Analytics, and the Data Scientist Role: This section of the exam measures the skills of a Data Science Enthusiast and covers the basic concepts of Big Data, including its defining characteristics and the business drivers behind its rise. It also introduces the role of the Data Scientist, highlighting the critical skills needed in the data science field.
Topic 4	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.

EMC Dell Data Science Foundations Sample Questions (Q189-Q194):

NEW QUESTION # 189
Refer to the Exhibit.

In the Exhibit. For effective visualization, what is the chart's primary flaw?

A. The order of the columns.
B. The location of the legend.
C. The slanting of axis labels.
D. The use of 3 dimensions.

Answer: D

NEW QUESTION # 190
You received 100,000 home loan records and want to quickly determine if there is any correlation between mortgage age and mortgage amount before conducting advanced analysis.
Which tool should be used for the preliminary analysis?

A. Histogram
B. Stacked Bar chart
C. Box and Whisker plot
D. Scatter plot

Answer: D

NEW QUESTION # 191
Refer to the exhibit.

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

A. The exhibit does not raise any obvious concerns with the data.
B. Mis-scaled data, indicating potential issues with data entry
C. Incomplete data, indicating potential issues with data transmission
D. "Saturated" data, indicating potential issues with data definitions

Answer: D

NEW QUESTION # 192
In time series analysis, what function is examined to identify the order of the autoregressive component of an ARIMA model?

A. Normal distribution function
B. Logistic function
C. Lognormal distribution function
D. Partial autocorrelation function

Answer: D

Explanation:
The Partial Autocorrelation Function (PACF) is examined to identify the order of the autoregressive (AR) component in an ARIMA model. It helps determine how much of the autocorrelation is explained by previous lags, assisting in selecting the appropriate AR order.

NEW QUESTION # 193
What are three built-in data types in the R programming language?

A. Boolean, table, and character
B. List, array, and integer
C. Boolean, integer, and character
D. Boolean, table, and integer

Answer: C

Explanation:
Three built-in data types in R are Boolean, integer, and character. These data types are fundamental to R and represent logical values (TRUE/FALSE), whole numbers, and text data, respectively.

NEW QUESTION # 194
......

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Study D-DS-FN-23 Dumps | D-DS-FN-23 Valid Dumps Book

Pass-Sure D-DS-FN-23 – 100% Free Study Dumps | D-DS-FN-23 Valid Dumps Book

EMC D-DS-FN-23 Exam Syllabus Topics:

EMC Dell Data Science Foundations Sample Questions (Q189-Q194):

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