Hi:
We'll ask the course instructors to respond to this question.
Regarding page 3-23, they started with the AMESHOUSING3 data to make the INTERACT data used by the rest of the analysis:
![page_3_23.png page_3_23.png](https://communities.sas.com/t5/image/serverpage/image-id/30537iB927D1FE9BC76E99/image-size/large?v=v2&px=999)
Regarding the data, on page 3-23 it appears that they are using the AMESHOUSING3 data from 3-18 to make the dataset INTERACT, as shown below:
![page_3-18.png page_3-18.png](https://communities.sas.com/t5/image/serverpage/image-id/30539i3CFA2682071C7C71/image-size/large?v=v2&px=999)
(sorry, I posted the wrong screen shot before)
Thanks, in advance, for your patience,
Cynthia