NMV - NWEEKINYEAR

  • NMV

    NMV(x) counts the number of missing values in x.
  • NOBSERVATIONS

    NOBSERVATIONS(x) counts the number of observations (that is non-missing values) in x.
  • NOW

    NOW(x) returns a scalar containing the current date and time (argument x is ignored).
  • NPERMUTATIONS

    NPERMUTATIONS(n;r) number of permutations nPr of r objects taken from a set of size n.