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Articles Home » Data Science » Data Science Dumps For EMC- E20-007

Data Science Dumps For EMC- E20-007

Question ID 6276

What does the R code z <- f[1:10, ]

do?
Option A

Assigns the first 10 rows of f to the vector z
Option B

Assigns the 1st 10 columns of the 1st row of f to z
Option C

Assigns a sequence of values from 1 to 10 to z
Option D

Assigns the 1st 10 columns to z
Correct Answer A
Description 
Update Date and Time 2017-04-28 11:02:38

 

Question ID 6277

In R, functions like plot() and hist() are known as what?
Option A

generic functions
Option B

virtual methods
Option C

virtual functions
Option D

generic methods
Correct Answer B

Description 
Update Date and Time 2017-04-28 11:04:20

 

· Posted by Superadmin on November 10 2018 · 0 Comments · 1078 Reads · Print
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