Google Analytics not showing any data

To view data from your Google Analytics account in the Google Publisher Toolbar:
In the top right of your Chrome browser, click the Google Publisher Toolbar icon .
Click the gear icon and select Accounts.
In the “Enabled accounts” page, next to Google Analytics, click Enable.

Hope this will help. To know more about Google Analytical Skills or advance part then you can check Online Tools adn blogs. For more you can also approach for Digital Marketing Training Courses. For more check out the link: https://www.cetpainfotech.com/technology/digital-marketing-training