You can now display your data visually in your journey using line graphs.
Here are the steps:
1 . Click the Journey tab and edit your journey,
2. Click 'Add Row'
3. Pick 'Line Graph Under Row Type and Select the Touchpoint Fields
4. Click 'Add Row'
Note: Only Touchpoints with Number or Choice fields can be used. (eg. Net Promoter Score, Cost to Fix, etc.)