Test Quiz - Stat Modeller

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Which of the following gives warning while creating matrix?

M1 <- matrix(1:6, nrow = 3, ncol = 2)

M1 <- matrix(1:5, nrow = 3, ncol = 2)

M1 <- matrix(1:10, nrow = 5, ncol = 2)

M1 <- matrix(1:9, nrow = 3, ncol = 3)

To get descriptive statistics in one command, we can use _____________.

summary()

statistics()

descriptive()

describe()

Which of the following will not generate the Logical Vector?

logi1 <- c(T, F, F, T, F)

log1 <- c(TRUE, FALSE, FALSE, TRUE, FALSE)

log1 <- c("T", "F", "F", "T", "F")

logical <- c(T, F, F, T, F)

To remove any object from the Global Environment, we can use __________ command.

eliminate()

delete()

rm()

del()

What is the command in R to check data type of the object?

showdata()

class()

dtype()

datatype()