Find the output of the following code on the R Interpreter.

months <- c{"JAN"."FEB"."MARCH"."APRIL"."MAY"."JUNE"."JULY")

output <- months[c(1.TRUE.4.TRUE.5)]

print(output)

R uses the function. barplotii. to create bar charts. The basic syntax to create a bar chart In R is:

barplot(H. xlab. yiab. main. namesarg. col)

Which of the following options are correct?

Which of the given tasks are performed by the following code?

library("rjso")

result <- fromJSON(lile = '"data.json"]

print(result)

What will be the output of the following program on R interpreter?

v <- LETTERS[9.55:15.86]

for ( i in v)

{

if (i = "0")(

next

]

print(i)

}

What will be the output of the following program on R Interpreter?

v <- 3+16i

printiclass()

v <— 3"46

print[class[v])

v <~ 3l+16

printiclassMJ

v <- 316

print(class[v))

In R programming language. the arguments of a function can be partially matched using the following checks:

Check for a partial match.

Check for a positional match.

Check for exact match for a named argument

Which of the following Is the correct sequence of checks followed by the function to partially match the supplied arguments?

What will be the output of the following code on the R Interpreter?

print(seq(7,12. by = 0.68))

Following is a function definition in R programming language:

dummy.function <- function(a.b.c) [

result -=- a ‘+ b ' c

print(result)

]

Which of the following function calls will give the output: 41895?

What will be the output of the following program on R interpreter?

OUTPUTMATRIX = matrix( c("1","2"."3"."4"."5"."6"."7"."8"."9"."10"."11","12"). nrow = 4, ncol = 3. byrow = FALSE)

print(OUTPUTMATRlX)

Following Is a function def‌inition in R programming language:

foo.function <- function(a,b)

{

print{a)

print{b‘b)

}

Which of the following function calls will give an error?

What will be the output of the following program on R interpreter?

temp <- c("Comp|ex","Simple")

cnt <- 10

repeat

[

print(temp)

cnt <— cnt-1

if(cnt < 6.5) {

break

1

}

Following is a code snippet to be used to draw a boxplot in R:

boxplot(mpg "‘ Cyl, data = mtcars,

xiab = "Number of Cylinders",

ylab = Miles Per Gallon“,

main = "Mileage Data",

notch = TRUE,

varwldth = FALSE.

col = ched","Biue","Green"],

names = c("High","Medium","Low")

Which of the following options is NOT correct?

What wlll be the Output of the following program on R Interpreter?

v <- LETTERS[5:1]

{or (i in v)

{

print(i)

}

Find the error in following code snippet

foodata <- data.frame(

empid = C(11:15),

empname = c("EMP2"."EMP3"."EMP4","EMP5"),

"" = c(100,200,300,400,500},

empjoindate = asDatetcf'2017—01-01", '2017~02~01", '2017-03-01‘, "2017-0401”,"2017~05-01‘)),

stringsAsFactors = FALSE

)

print(foo.data)

Following is a code snippet executed on R interpreter:

sales <- c(10,20.30.40.50)

months <- c{"JAN".“FEB"."MARCH"."APRIL"."MAY")

png(file = "months_sales.png")

barplot(sales,names.arg = months.xlab = "Month".ylab = "Sales",col = "Red",main = "Sales Chart“,border =

"Black")

What does this code do?

Following is a function def‌inition in R programming language:

foo.function <- function(a =1, b = 2. c = 3)

{result <- a ’ b+ c

print(result)

}

What will be the output of the following program on R Interpreter?

foo <- c(‘Testing‘.’while statement‘)

cnt <- 7

while [cnt<11.64)

[

printltoo)

cnt = count + 1

]

What will be the output ofthe following program on R interpreter?

foo <- C("Testing","loop")

count <— 5

repeat {

print(foo)

count <- count +1

if(count > 8.34)[

break

}

]

What will be the output of the following R code?

car_colors <~ ci‘black',‘red','blue'.'blue'.'-.vltite'.‘metallic',‘red')

tactor_cars <~ Iactor(car_colors)

Print (factor_cars)

print(nlevels(factot_cats))

The middle-most value in a data series is called the median. The median() function is used. in R. to calculate this value. Which of the following are the valid parameters in the median() function?

R has four in-built functlons to generate a normal distributlon. Which of the following functions takes the probability value and gives a number. whose cumulative value matches the probability value?

in R language, in order to calculate the mean of a given set of values, the mean() function is used. Following is the basic syntax for the same:

mean(x, trim = O, na.rm = FALSE, ...)

Which of the following parameters is used to remove the missing values from the input vector?

R has four in-built functions to generate a normal distribution. Which of the following functions gives the height of the probability distribution at each point for a given mean and standard deviation?

You have an Excel workbook with the name "data.xlsx". it has 3 sheets. Which of the following options will load the Excel workbook and read the second sheet?

What will be the output of the following program on R interpreter?

custom_cub_function <- function()

i

for(i in 1:4)

{

i

cubeoutput <- i"3

print[cubeoutput)

}

What will be the output of the following program on R interpreter?

foo <- 'red'

switch(foo, fruit = "apple", vegetable = “chilli‘. "Exception')

What will be the output of the following program on R interpreter?

tempString <- "Hello.World!"

print (tempString)

tempString