I have decided I do not like a certain trait I selected at the beginning.

How can I go about removing that trait through the console? I recall in FO3 being able to mess with all sorts of character settings through the console.

It should be a player.do_something command.

I had the ability to try player.removetrait value, which did nothing. Any guesses?

Try typing help trait and the remove trait command may show, if it changed. Then you just need the Form Id for the trait.

Traits show up on the perks screen so this may work..

player.removeperk

You will need to know the ID of the trait it is you are trying to remove or it may be possible to enter the name.

EDIT: Found the IDs of all the traits on the wiki. http://fallout.wikia.com/wiki/Fallout%3A_New_Vegas_traits

So if you want to remove Heavy Handed you would type in:

player.removeperk 00135EC5

CONFIRMED - I spent a bunch of time experimenting with console commands the other night, on a dummy save game, and can confirm that this does work. Traits are effectively perks, so can be added and removed in the same fashion.

+1000 internets for each of you. Many thanks