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1. Lesson3
BASIC ANALYTIC TECHNIQUES – USING R
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2. QUIZ
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3. a. Time series analysis
b. Linear modeling
c. Non linear modeling
d. Developing web applications
Which of the following is not a functionality of R?
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4. a. Time series analysis
b. Linear modeling
c. Non linear modeling
d. Developing web applications
Answer:d.
Explanation: R is a statistical analysis and data mining tool.
Which of the following is not a functionality of R?
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5. Which of the following is the function to display the first 5 rows of data?
a. first(data,5)
b.
c.
d.
head(data,5)
top(data,5)
first(5,data)
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6. Answer:b.
Explanation: head() function is used to display the first few rows of data
Which of the following is the function to display the first 5 rows of data?
a. first(data,5)
b.
c.
d.
head(data,5)
top(data,5)
first(5,data)
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7. What will be the result of the following command – class(iris)
a. vector
b. integer
c. matrix
d. data.frame
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8. What will be the result of the following command – class(iris)
a. vector
b. integer
c. matrix
d. data.frame
Answer:d.
Explanation: Iris is a sample data set that is stored as a data frame
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9. Thank You
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certification. If you are looking for upcoming classes schedules then visit:
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