Question 1

According to analysts, for what can traditional IT systems provide a foundation when they're integrated with big data technologies like Hadoop?

Accepted Answer

A) Big data management and data mining 
B) Data warehousing and business intelligence 
C) Management of Hadoop clusters 
D) Collecting and storing unstructured data 
A) Big data management and data mining 
B) Data warehousing and business intelligence 
C) Management of Hadoop clusters 
D) Collecting and storing unstructured data

Question 2

File containing R scripts end with extension _______.

Accepted Answer

A) .R 
B) .S 
C) .bigdata 
D) All of the above 
A) .R 
B) .S 
C) .bigdata 
D) All of the above

Question 3

How many layers Deep learning algorithms are constructed?

Accepted Answer

A) 2 
B) 3 
C) 4 
D) 5 
A) 2 
B) 3 
C) 4 
D) 5

Question 4

Which of the following is a reasonable way to select the number of principal components "k"?

Accepted Answer

A) Choose k to be the smallest value so that at least 99% of the varinace is retained. 
B) Choose k to be 99% of m (k = 0.99*m, rounded to the nearest integer). 
C) Choose k to be the largest value so that 99% of the variance is retained. 
D) Use the elbow method. 
A) Choose k to be the smallest value so that at least 99% of the varinace is retained. 
B) Choose k to be 99% of m (k = 0.99*m, rounded to the nearest integer). 
C) Choose k to be the largest value so that 99% of the variance is retained. 
D) Use the elbow method.

Question 5

Which of the following is a subset of machine learning?

Accepted Answer

A) Numpy 
B) SciPy 
C) Deep Learning 
D) All of the above 
A) Numpy 
B) SciPy 
C) Deep Learning 
D) All of the above

Question 6

Which is used to inference for 1 proportion using normal approx?

Accepted Answer

A) fisher.test() 
B) chisq.test() 
C) Lm.test() 
D) prop.test() 
A) fisher.test() 
B) chisq.test() 
C) Lm.test() 
D) prop.test()

Question 7

Which of the following is false?

Accepted Answer

A) data visualization include the ability to absorb information quickly 
B) Data visualization is another form of visual art 
C) Data visualization decrease the insights and take solwer decisions 
D) None Of the above 
A) data visualization include the ability to absorb information quickly 
B) Data visualization is another form of visual art 
C) Data visualization decrease the insights and take solwer decisions 
D) None Of the above

Question 8

Which of the following is true about hypothesis testing?

Accepted Answer

A) answering yes/no questions about the data 
B) estimating numerical characteristics of the data 
C) describing associations within the data 
D) modeling relationships within the data 
A) answering yes/no questions about the data 
B) estimating numerical characteristics of the data 
C) describing associations within the data 
D) modeling relationships within the data

Question 9

Which of the following is not a major data analysis approaches?

Accepted Answer

A) Data Mining 
B) Predictive Intelligence 
C) Business Intelligence 
D) Text Analytics 
A) Data Mining 
B) Predictive Intelligence 
C) Business Intelligence 
D) Text Analytics

According to analysts, for what can traditional IT systems provide a foundation when they're integrated with big data technologies like Hadoop?

File containing R scripts end with extension _______.

How many layers Deep learning algorithms are constructed?

Which of the following is a reasonable way to select the number of principal components "k"?

Which of the following is a subset of machine learning?

Which is used to inference for 1 proportion using normal approx?

Which of the following is false?

Which of the following is true about hypothesis testing?

Which of the following is not a major data analysis approaches?

Understanding the Basics and Technologies

Data Science

Machine Learning and Data Analysis

Filters

Exam 4: Data Analysis and Visualization

According to analysts, for what can traditional IT systems provide a foundation when they're integrated with big data technologies like Hadoop?

File containing R scripts end with extension _______.

How many layers Deep learning algorithms are constructed?

Which of the following is a reasonable way to select the number of principal components "k"?

Which of the following is a subset of machine learning?

Which is used to inference for 1 proportion using normal approx?

Which of the following is false?

Which of the following is true about hypothesis testing?

Which of the following is not a major data analysis approaches?

Understanding the Basics and Technologies

Data Science

Machine Learning and Data Analysis

Filters