B.R.
I only have one word... and it's likely the hardest word in the world for a parent... "relax". We so want our children to be potty trained, but it just isn't going to happen until they are ready. My suggestion is to have regular times that you put her on the potty for perhaps five minutes. Make those times approximately every two hours, perhaps just after a meal or snack, and in between those times at regular intervals. Tell her to let you know when she's finished, and even if she hasn't done anything in the potty and immediately after does it in her diaper, just keep on doing this routine until she finally 'gets' it. Use potty time to teach her things like washing hands afterward too. We also have our children go to the drawer and get out their own clean diaper. They feel very important doing that, and I believe it's helping the potty training process too.