LCOMB Function

Computes the logarithm of the COMB function, which is the logarithm of the number of combinations of n objects taken r at a time.

Category:

Combinatorial

Syntax

LCOMB(n,r)

is a non-negative integer that represents the total number of elements from which the sample is chosen.

is a non-negative integer that represents the number of chosen elements.

Restriction

r ≤ n

The LCOMB function computes the logarithm of the COMB function.

The following SAS statements produce these results.

SAS Statement	Result
x=lcomb(5000,500); put x;	1621.4411361
y=lcomb(100,10); put y;	30.482323362