Review
Review
Review
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154 KKU Science Journal Volume 39 Number 1 <strong>Review</strong><br />
<br />
<br />
<br />
<br />
1. <br />
<br />
y1<br />
<br />
y2<br />
<br />
y<br />
(X X )<br />
(x X min ) min<br />
y<br />
(XX X)<br />
(x XminX)<br />
min<br />
(20)<br />
(21)<br />
2. <br />
3. <br />
Mohanty and Sahoo (1995) Bedi (1996) Kadilar and Cingi (2006)<br />
<br />
1<br />
<br />
2<br />
<br />
MSE( ˆ 1 ) MSE(ˆ<br />
2 )<br />
4. <br />
<br />
<br />
1. <br />
<br />
y1<br />
<br />
y2<br />
<br />
y<br />
(X X )<br />
(x X min ) min<br />
y<br />
(XX X)<br />
(xXminX)<br />
min<br />
c,d <br />
h(x, y) <br />
y1<br />
h(x, y) , Y h(X, Y) <br />
h(c, d) <br />
h(X, Y) <br />
(x X)<br />
<br />
<br />
c<br />
X,Y <br />
h(c, d)<br />
<br />
<br />
(yY)<br />
<br />
<br />
d<br />
X,Y<br />
<br />
(22)