Dear community,
i would like to have in the same chart the evolution of cohort of signed contract minus the ones who have cancelled,
for exemple for my Signed contract cohort march 2018, i would like to have in march 2018 (collumn), 256-1 = 255, april 2018 256-5 = 251 ect ...
somebody can help me ?
the qvf file is attached,
thanks,
Cyrille
