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

Table of Contents

Syntax

LCOMB(n, r)

is a nonnegative integer that represents the total number of elements from which the sample is chosen.

is a nonnegative integer that represents the number of chosen elements.

Restriction	r ≤ n

The LCOMB function computes the logarithm of the COMB function.

data _null_;
   x=lcomb(5000,500);
   y=lcomb(100,10);
   put x= y=;
run;

data _null_;
   x=lcomb(5000,500);
   y=lcomb(100,10);
   put x= y=;
run;

These statements produce these results:

x=1621.4411361 y=30.482323362