To select and load data, click the Change button in the Data Panel. You can load data using any of the three tabs: Change Dataset, Paste or Upload Data, From URL.

Change Dataset:

This tab contains a list of preset datasets that you can explore.

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Paste or Upload Data:

Click Choose File to upload a CSV, TSV, or JSON file or paste data in CSV format into the input box.

From URL

This tab is used to upload a CSV, TSV, or JSON file from URL. Make sure that the formatting is correct and data is clean before adding it in. The added dataset is only visible to you.