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WorksheetsBasics of R Programming-I
Total questions: 10
Worksheet time: 5mins
R language is a dialect of which of the following languages?
S
C
MATLAB
SAS
R files has an extension ______
.S
.Rp
.R
.C
__________ function is used to watch for all available packages in library.
lib()
fun.lib()
libr()
library()
________is used for comments
%
#
-
\\
To execute the line of source code ins script editor where the cursor currently resides you press the________
Ctrl +T
Ctrl + enter
Ctrl +R
Ctrl + Shift + enter
R is an__________programming language?
Closed source
GPL
Open source
Definite source
Who created R?
Dennis Ritchie
John Chambers
jarne Stroustrup
Ross Ihaka
Which of the following finds the maximum value in the vector x
rm(x)
all(x)
max(x)
maximum(x)
________ generate random Normal variates with a given mean and standard deviation.
dnorm
rnorm
pnorm
rpois
Which of the following is true about R?
R is a well-developed, simple and effective programming language
R provides a large, coherent and integrated collection of tools for data analysis.
R has an effective data handling and storage facility
All of the above
