Question

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How to generate a vector containing a numeric sequence?

In R, how can I get the list of numbers from 1 to 100? Other languages have a function ‘range’ to do this. R’s range does something else entirely.

> range(1,100)
[1]   1 100

Answer 1

Your mistake is looking for range, which gives you the range of a vector, for example:

range(c(10, -5, 100))

gives

 -5 100

Instead, look at the : operator to give sequences (with a step size of one):

1:100

or you can use the seq function to have a bit more control. For example,

##Step size of 2
seq(1, 100, by=2)

or

##length.out: desired length of the sequence
seq(1, 100, length.out=5)