Q121
Open questionThey primary R system is available from the . . . . . . . .
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R Programming · all questionsIntroduction to R Programming
Introduction to R Programming
practice.
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155
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Q122
Open questionWhat is the function used to test objects (returns a logical operator) if they are NaN?
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Q123
Open questionDataframes can be converted into a matrix by calling the following function data . . . . . . . .
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Q124
Open questionAdvanced programmers can write . . . . . . . . code to manipulate R objects.
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Q125
Open questionWhat will be the output of the following R code?
y <- c(TRUE, 2)Select an option to see the answer and solution.
Q126
Open questionPoint out the WRONG statement?
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Q127
Open questionThe most convenient way to use R is at a graphics workstation running a . . . . . . . . system.
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Q128
Open questionIf a command is not complete at the end of a line, R will give a different prompt, by default it is . . . . . . . .
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Q129
Open questionWhich one of the following is not a basic datatype?
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Q130
Open questionIn which IDE we can interact with R?
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Q131
Open questionIf commands are stored in an external file, say commands.R in the working directory work, they may be executed at any time in an R session with the command . . . . . . . .
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Q132
Open questionPoint out the wrong statement?
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Q133
Open questionWhich of the following will start the R program?
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Q134
Open questionWhat will be the output of the following R function?
nchar()Select an option to see the answer and solution.
Q135
Open questionWhat is the meaning of the following R function?
print( sqrt(2) )Select an option to see the answer and solution.
Q136
Open questionWhat is the function to set row names for a data frame?
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Q137
Open questionR is mostly used in . . . . . . . .
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Q138
Open questionWhat will be the output of the following R function?
ab <- list(1, 2, 3, "X", "Y", "Z")
dim(ab) <- c(3,2)
print(ab)Select an option to see the answer and solution.
Q139
Open questionPoint out the wrong statement?
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Q140
Open question. . . . . . . . programming language is a dialect of S.
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