$BK\8&5f$G$O(B, $B9-$$HO0O$K$o$?$C$F$h$jE,9gEY$,NI$/(B, $B@x:_E*$KC<$NMQNL$G$N$"$F$O$a$,NI9%$JJq3gE*J,I[(B
($BB2(B) $B$r07$C$?(B. $BJq3gE*J,I[B2$NCf$G$b(B, $B%m%8%C%H!&%b%G%k$r!V3K!W$H$9$kJQ49$K4p$E$/3HD%%b%G%k$KCmL\$7(B,
$BHsBP>N%Y%-JQ49%b%G%k(B, $BHsBP>N%*%C%:HfJQ49%b%G%k(B, $BBP>N%Y%-JQ49%b%G%k$N(B 3
$B $BK\9F$G$O!$IiCM$r4^$`4QB,CM$KBP$9$k%Y%-JQ49$H$7$F(I"$B;X?t7?%Y%-JQ49(I#$B$r$H$j$"$2!$$=$NFCD'$H@-G=$rL59=B$%G!<%?$N>l9g$rCf?4$K8!F$$7$?!%$H$/$K!$(BBox
& Cox(1964)$B$,Ds0F$7$?%Y%-JQ49$H$=$l$K4p$E$/%Y%-@55,J,I[(B(Goto et al.,
1983)$B$K$*$1$kE83+$KJo$$!$JQ49A08e$NJ,I[!$%Q%i%a!<%?$N?dB,!$%Q%i%a!<%?$N6a;w?dDjCM$H$$$C$?;vJA$r6cL#$7$?!%$^$?!$J88%Nc$H%7%_%e%l!<%7%g%s$rDL$7$F!$;X?t7?%Y%-JQ49$N@-G=$r?tCME*$KI>2A$7$?!%$=$N7k2L$+$i!$;X?t7?%Y%-JQ49$H$=$l$K4p$E$/J,I[$O!$%Y%-JQ49$*$h$S%Y%-@55,J,I[$HF1MM$NJq3gE*$JFCD'$r$b$A!$JQ498e$K4QB,CM$NJ,I[$N@55,@-!$$H$/$KJ,I[$NOD$_$r2~A1$9$k$3$H$,<(:6$5$l$?!%(B $BM-0U?e=`$r8GDj$7$F!$(B3$B$D$NFs9`JQNL$NEy3NN(@-8!Dj$r!$@53NK!$G9T$&>l9g$r9M$($k!%(B
$B$^$:!$ $B6aG/(B, $BE}7W2r@O$K$*$$$F07$&%G!<%?$,J#;($K$J$j(B, $BB?$/$NHs@~7AB?u67$bJQ$o$j$D$D$"$j(B, $BHs@~7A$JB?e$GN10UE@$r<($9$H$H$b$K(B,
$B%U%j!<%=%U%H$rCf?4$K$3$l$i$N%=%U%H%&%'%"$r>R2p$9$k(B. $B7gB,$r4^$`%G!<%?$r2r@O$9$k$K$O!$7gB,%G!<%?$K4X$7$F2?$i$+$N=hM}$r;\$9$3$H$,I,MW$H$J$k!%$3$l$^$G7gB,%G!<%?$N=hM}$H$7$FMxMQ$5$l$k$3$H$NB?$+$C$?J}K!$O!$7gB,$r4^$`%G!<%?$r%1!<%9$4$H=|30$9$kJ}K!$G$"$C$?!%(BSPSS
Missing Value Analysis $B$O!$$3$N=|30=hM}$NB>$K!$7gB,%G!<%?$N%Q%?!<%s$rGD0.$7!$$+$D7gB,$r4^$`%G!<%?$r
$BIiCM$r4^$`4QB,CM$KBP$9$k%Y%-JQ49!];X?t7?%Y%-JQ49$NFCD'$H@-G=$K$D$$$F!](B
$B_@:j=S8w!&0kB
$BBgBm!!;|(B: $B9-EgBg3X(B $B86GzJ|
$B8eF#>;;J(B: $BBg:eBg3X(B $BBg3X1!(B $B4pAC9)3X8&5f2J(B $B>pJs?tM}7O@l96(B $B?tM}2J3XJ,Ln(B
$B=$@5E}7WNL$rMQ$$$?Hs>r7oIU@53N8!DjK!(B
$B>>Hx(B $B@:I'(B: $B4X@>Bg3X(B $B7P:Q3XIt(B
$B$3$NO@J8$G$O!$E}7WNL$N>r7oIUN_@QJ,I[$r$b$H$K9=@.$5$l$k=$@5E}7WNL$rDs0F$7!$$3$NE}7WNL$rMQ$$$?Hs>r7oIU8!Dj$,!$$b$H$NE}7WNL$rMQ$$$?>r7oIU8!Dj$h$j$b0lMM$K8!=PNO$,9b$$$3$H$r<($9!%(B
$B$3$N$3$H$O!$Hs>r7oIU8!Dj$,
$BHs@~7AB?
$B;3K\5AO:(B: $BKL3$F;Bg3XBg3X1!9)3X8&5f2J(B
$B?eED@590(B: $BKL3$F;Bg3X>pJs%a%G%#%"650i8&5fAm9g%;%s%?!<(B
SPSS Missing Value Analysis $B$N>R2p(B
$B0pMU(B $BM3G7!'>.C.>&2JBg3X>&3XIt
$B3F9f$N>R2p$XLa$k(B