STIMATE.</span>
<span class="c">!     PRINTING--YES.</span>
<span class="c">!     RESTRICTIONS--THE MAXIMUM ALLOWABLE VALUE OF N</span>
<span class="c">!                   FOR THIS SUBROUTINE IS 5000.</span>
<span class="c">!                 --THE SAMPLE SIZE N MUST BE GREATER</span>
<span class="c">!                   THAN OR EQUAL TO 3.</span>
<span class="c">!                 --THE INPUT FREQUENCY F MUST BE</span>
<span class="c">!                   GREATER THAN OR EQUAL TO 2/(N-2).</span>
<span class="c