11.08.2013 Views

Slika - Shrani.si

Slika - Shrani.si

Slika - Shrani.si

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

A. Juriˇ<strong>si</strong>ć in V. Batagelj: Verjetnostni račun in statistika 349<br />

✬<br />

✫<br />

. . . Učinkovitost cenilk<br />

Torej velja v Rao-Cramérjevi oceni enakost natanko takrat, ko je<br />

∂ ln L<br />

∂ζ<br />

= A(ζ)(C − ζ)<br />

kjer je A(ζ) konstanta, odvisna od ζ in neodvisna od vzorca.<br />

Zato je tudi<br />

oziroma končno<br />

(DC) −1 ∂ ln L<br />

= E(<br />

∂ζ )2 = A(ζ) 2 E(C − ζ) 2 = A(ζ) 2 DC<br />

DC = |A(ζ)| −1<br />

Univerza v Ljubljani ▲<br />

❙ ▲<br />

▲<br />

▲<br />

● ❙ ▲<br />

▲<br />

☛ ✖<br />

✩<br />

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!