Within the dashboard you want to run a supervised model on, click the Data Settings Panel button.
In the Select a Data settings panel that appears, you can Connect To Your Data by selecting an existing data stream or creating a new data steam through a connector.
In the middle column, Analyze, click to deploy new under Stratifyd Models.
In the next box that appears select the data stream you want to run the model on, next select the model you want to deploy (you can read more about each model in the Analyze Your Data collection), select the appropriate fields (such as text) then click start Analysis.
You return to the Data Settings panel and can see this analysis under deployed models in the analyze column.