Cumulant
Cumulant[data,r] gives the rth cumulant κr of data.
Cumulant[data,{r1,…,rm} ] gives the multivariate cumulant of order {r1,…,rm} κr1, …, rm of data.
Cumulant[dist,r] gives the rth cumulant of the distribution dist.
Cumulant[r] represents the rth formal cumulant.
Please visit the official Wolfram Language Reference for more details and examples on core symbols.