Test Your Programming Skills with Safcode!

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Here is all important interview / exams questions.
Student doing practice apptitude test on safcode platform.
Instruction: "Total Number of Questions: 20
Each question carry 10 mark , no negative marking"

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Quiz Start

1. Which one is not a step of Data Preparation process. Missing Values
Remove Duplicate Entries
None of the Them
Feature Selection

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2. How to visualize data in Pie Chart? pipe
package
pie
piechart

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3. What is the function used to read CSV files into R? read()
read_csv()
readfile()
csv()

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4. What is the memory limit in R? 4TB
8TB
2TB
6TB

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5. How to installed packages in R? Install.packages(packagenames)
Library(packagename)
require(packagename)
install(packagename)

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6. R is an__________programming language? GPL
Open Source
Close Source
None of above

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7. The estimate of any population is called ___________ Statistics
Subset
Guess
Sampling

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8. OOP stands for? Orange Oriented Pixels
Object Oriented Programming
Option Object Programming
Object of Program

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9. __________ is the first step of data science life cycle. Model Deployment
Data Acquisition
Data Modeling
Business Understanding

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10. which function converts list to a vector? unlist()
cnvert_list()
none of them
de_list()

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