To view Organization KRs Analytics, you should go to the Organization OKRs and set their metrics.
After setting KR metrics, navigate to the Check-Ins section and set the date. Answer the given questions and set the KR ratings. Then click on "Publish Check-Ins" to publish this section.
Then navigate to Organization OKRs and tap on any Key Result tab. A window pops up on the right of the screen showing a rating index with a graph.