Select random element in a list of R?

Question

a<-c(1,2,0,7,5)

Some languages have a picker -function -- choose one random number from a -- how in R?

Answer 1

To select a random element from a number of elements, you can use the sample() function as follows:

a<-c(1,2,0,7,5)

> sample(a, 1)

[1] 5

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