How to recieve only the negative or the positive of an integer?

I want to get only the negative or positive of a specific integer but randomly each time. For example inside a for loop i want to recieve the number -3 or +3 each time it loops.

Answer 1

[KL]

One way is,

 your_integer = 3;
 number = randsample([-1 1],1)*your_integer

[Charis Martakis]

thank you a lot !!this totally worked for me :)