Hi @Afif, To use the lag function you need to provide two arguments, lag("attribute name", offset). the first is the name of your attribute or column, and the second is the offset.
In your case, the attvalue is not necessary, and the basic sentence is lag("Price", 1 )
Answers
To use the lag function you need to provide two arguments, lag("attribute name", offset).
the first is the name of your attribute or column, and the second is the offset.
In your case, the attvalue is not necessary, and the basic sentence is lag("Price", 1 )
Best,
Cesar