Last Year calculations not working

[dapperscavenger]

Hello,

Trying to make a LY measure, but it keeps coming up blank

I don't have any date granularity in may data set, everything is on one of those 4 dates (so, only one date per year in the whole dataset):

 

Any thoughts?

[vanessafvg · Accepted solution]

do you have a date table?  In order to use date functions properly you will need a date table with a set of continious dates

[dapperscavenger]

Of course, I am a dummy, I actually knew that and had a total no-brain moment