If AB exists, then ( AB )-1is
Proxy need not be a ____ of the company
On comparing wrinkled seeded plant and round-seeded plant, wrinkled-seeded pea plant are classified as
He said, "It is raining heavily"
Which will be the output of following code ?x - 3 switch(6, 2+2, mean(1:10), rnorm(5))
What would be the output of the following code ?x - c("a", "b", "c", "c", "d", "a") x[c(1, 3, 4)]
What would be the output of the following code ?x - 1:4 y - 6:9 x/y
What would the following code print ?x - c("a", "b", "c")as.logical(x)
Which of the following statement changes column name to h and f
If 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
Files containing R scripts ends with extension
Which of the following statement will save the output to the file for following code ?a - data.frame(x = rnorm(100), y = runif(100)) b - c(3, 4.4, 1 / 3)
Functions are defined using the _________ directive and are stored as R objects
There are 30 people in a group. If all shake hands with one another , how many handshakes are possible
