Re: I do not have a website to learn analytics
will get you far without any site or analytics installed.
If you want to dive in to UI just create Blogger blog:
Unless you get popular fast you need to create your own traffic... just install all the major browsers and click away... Erase all the cookies and you are a new user again. Or if you are a coder you can generate your own traffic emulator.
To make bad day worse, spend it wishing for the impossible