Let's say I have dimensions like country, content, subscriptionType and I'd like to get the 3 most common fields grouped by platform say web, app, etc. How would I go about doing this.
An ideal output would be something like this
----- |country |content |subscriptionType
web |us, uk, ca|music, video, audio|seo-trial, sem-trial, perf-trial
app |us, ca, ch |music, video, audio|seo-trial, sem-trial, perf-trial
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