Safcode | Code Your Ideas by Sir Safder


Test Your Programming Skills with Safcode!


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"



Quiz Start


no axis
y-axis
x-axis
both x-axis and y-axis

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x-axis
none of them
y-axis
both x-axis and y-axis

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Notches
Outliers
Tails
Whiskers

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de_list()
cnvert_list()
unlist()
none of them

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matrix()
List()
group_by()
summerize()

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n/a
na
None of these
NaN

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Heatmap
None of these
Coplot
Violin graph

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Missing Values
Feature Selection
Remove Duplicate Entries
None of the Them

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Data frame
Array
Vector
List

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Data Frame, Array
Array, List, Matrix
None of them
List, Vector and Data Frame

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Statistics
Sampling
Guess
Subset

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label()
labs()
lab()
All of them

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scatter plot
None of these
box plot
pie chart

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Model Deployment
Business Understanding
Data Acquisition
Data Modeling

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Matrix
Data
Tables
Data frame

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adds on
sheets
levels
geoms

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fetch()
all of them
retrieve()
select()

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Install.packages(packagenames)
Library(packagename)
install(packagename)
require(packagename)

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smooth()
abs_line()
None of them
abline()

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mean
median
mode
quartiles

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