j ? ừ? ấ'Ê bÃ? ?? ỵƯY bấẫÊ?hM?gềô? ?à ?ậẫ PM?jừ ?Ãể?ấ&Ư? ấ'Ê?ậấ'Ư?Ư?(?'? & ? ỵ? Ãừ ?Ô ? ừ?\?ÔẩÊ^ j ? Ã?ở? Ê? ?Ã?ƯỗÃ? ÊM?lẩ? ?(?'? & ? ỵ? Ãừ ?Ô ? ừM QM?b? ?6?Êý\?Ư*\ ? Ị ˆ ˆ ?¥OKTVPU?]?O? ⁄·?‹⁄ëfi? Ä‹£?P?ËÉ‹? ÿ? ⁄ ?Ã?ƯỗÃ?G ÃÊ? H? Ê?OKTVPU?ậẫ? M ?ÔẩÊ?ể ? ,Ư?ề?Ư+Ê?Ư?6?Êý\M RM?j ? Ã?ở? Ê?POMOOO?ậÊ?GPO?ậẫ? H? ?Ã?ƯỗÃ?G ÃÊ? H? Ê?ỵ ?ờ ? \ ầÃM L?sĂ?ầÃ?ƯỗÃ?Ư*\? ề ? ế? \?ể ? ô?ÔểÊ? ?Ưở ! ? úÃ? & ?ậ"? ?Ưở?GP L H?Ơ OKXT?Ư? \ô? ! PM?jểÊ? ?Ưở?ậ? ềY L t n k M Se( ˆ ) P 1 ?OKSURT P j⁄ ? ⁄·?‹⁄ëfi? Ä‹£ POMOOO?Ëž‹£N ⁄Õ‹£? ⁄ ?Ã?ƯỗÃ?G ÃÊ? H? Ê?ỵ ?ờ ?OKSURT ỵ N ếÊM SM?gễ?ấ&Ư? ấ'Ê?ô1Ư? Ê?Ã?ƯỗÃ? ũ? \? Ê?ÔểÊ? ?Ưở?XTD?Ô ? Ã?ở? Ê POOMOOO?ậÊ?GPO?ậẫ? HM L?sĂ ầÃ?ƯỗÃ? ề ? ế? \?ể ? ô?ÔểÊ? ?Ưở?\ ?ỵ\? & ?ậ"? ?Ưở?GPL HƠOKXT Ư? \ô? ! PM?jểÊ? ?Ưở?ậ? ÒY ˆ L t n k M Se( ˆ ) [ P??[ ˆ ?J t n k M Se( ˆ ) 1 1 2 OKSRVUQ?[ P??[?OKVOTTW j⁄ ? Ã?ở? Ê?POOMOOO ậÊN ếÊ?GPO?ậẫ? H? ?Ã?ƯỗÃ?G ÃÊ? H? Ê? Ê ÔểÊ?GSKRVUQ L?VKOTTWHM TM?b?6?Ô ừ?Ư?Ê? Ã?ở?ÔẩÊ?ể?ấ$Ê?ậừ?Ã?ƯỗÃ? \M?sĂ? ệ?ậ ũÃ?ậ?Ư ậ,Ê?ÔẩÊ^?sệ ? \^ L?sĂ?ầÃ?ƯỗÃ? ề ? ế? \?ể ?Ô úô?ậ?Ưồ?Ê Ó? ⁄ õ Y gOY?G P ¥?OH gPY?G P ?OH l ị‹? Õ¦? Ž? ỊY ˆ ;t ˆ ) Se( v ?¥?» t tn k ?¥ XKWRWQ t ?¥?QKROU fl n k fl ?] t n ?v ?? ếƯ? ?gOM 6?Ô ừ? Ã?ở?ÔẩÊ?ể?ấ$Ê?ậừ?Ã?ƯỗÃ? ề? \ M k UM?b? ú?Ư?Ê?Ô ? Ã?ở? Ê?P?ậẫ? ? ?Ã?ƯỗÃ? Ê?OKU?ậẫ? ?ậ,Ê?ÔẩÊ^ L?sĂ?ầÃ? ề ? ế? \?ể ?Ô úô?ậ?Ưồ?Ê Ó? ⁄ õ Y gOY?G P?¥?OKUH gPY?G P ?OKUH l ũ? ếƯ? ? ềY v ?Ơ?ằ t 0,6 ;t Se( ˆ ) 1 lg tn k P j ‹⁄? õ? Ê'‹£ fl ?¥?OKSWWW t n k ?¥?QKROU fl ?[ t n k ?v ??¦⁄Ê\?¦š?¦É? $? ếƯ? ?gOM?b? ú? ?Ê?Ô ? Ã?ở? Ê?P?ậẫ? ?Ã?ƯỗÃ? Ê?OKU?ậẫ? M VM?sÃ?ở? Ê?Ư? ềô?Ã?ƯỗÃ? ũ? \? Ê? 2Ư? 2?ÔẩÊ^ L?sĂ?ầÃ?ƯỗÃ? ề ? ế? \?ể ?Ô úô?ậ?Ưồ?Ê ể? Y gOY?G P?Ơ?OH gPY?G P?]?OH l ũ? ếƯ? ? ềY v ?¥?» t ˆ Se( ˆ ) tn ;t k wð ?£ Õ? ‒ÿ? fl ? & t n k ?ậú?Ôừ ? Ãở?Ư? Ã"Ư?ô ũ? ếƯ? ?\?ÔẩÊM?ấ\?\?Ôừ ? Ãở ể?ấ$Ê?Ư*\? \ô? ! PM WM?j ? Ã?ở? Ê?P?ậẫ? ? ?Ã?ƯỗÃ? Ê? ! ?ậ\? ề?OKU?ậẫ? M L?sĂ?ầÃ?ƯỗÃ? ề ? ế? \?ể ?Ô úô?ậ?Ưồ?Ê ể? Y gOY?G P ?OKUH gPY?G P?]?OKUH l ị‹? Õ¦? Ž? ỊY v ?¥?» t ˆ ;t ˆ ) Se( tn k wð ?£ Õ? ‒ÿ? fl ? & t n k ?ậú?Ôừ ? Ãở?Ư? Ã"Ư?ô ũ? ếƯ? ?\?ÔẩÊM?ấ\?\?Ôừ ? Ãở ể?ấ$Ê?Ư*\? \ô? ! PM XM?sÃ?ở? Ê?P?ậẫ? ? ?Ã?ƯỗÃ? Ê? ấ& ?OKU?ậẫ? M L?sĂ?ầÃ?ƯỗÃ? ề ? ế? \?ể ?Ô úô?ậ?Ưồ?Ê ể? Y gOY?G P ?OKUH gPY?G P?[?OKUH l ũ? ếƯ? ? ềY v ?Ơ?ằ t ˆ ;t ˆ ) Se( tn k wð ?£ Õ? ‒ÿ? fl ? & t n k ?ậú?Ôừ ? Ãở?Ư? Ã"Ư?ô ũ? ếƯ? ?\?ÔẩÊM?ấ\?\?Ôừ ? Ãở ể?ấ$Ê?Ư*\? \ô? ! PM POM?b?6?Ô ừ?Ư?Ê?ôẩ? ?ậấ\?\?ậú?? ỵƯ?Ã?ƯỗÃ? ũ? \? ề?ÔẩÊ?Ư?6?Êý\M sĂ? ệ?ậ ũÃ?ậ?Ư?ậ,Ê?ÔẩÊM?mÊề ?ừÃ? !? Ã?ởK?Ư?Ư?ừÃ? !?ề?ể?ấ$Ê ậừ?Ã?ƯỗÃ? ũ? \?0\?ÔẩÊ^?gễ?Ư ỵ? -M L?sĂ?ầÃ?ƯỗÃ? ề ? ế? \?ể ?Ô úô?ậ?Ưồ?Ê ể? Y gOY?GqQ?Ơ?OH gPY?GqQ ?OH l ũ? ếƯ? Ž? ỊY R2 v ?¥?» f lg (k 1) ;f (1 R ) (n k ) f (k 1, n k ) Q j ‹⁄? õ? Ê'‹£ qQ?¥?XQKRV?GqQ?¥?P L?qrrNsrrH?G R f (k 1) H f (k 1) (n k )  ?Ơ?XUKWT f ( k 1,n k ) ¥?TKRQ ¢fl ?] f ( k 1,n k ) v ? ếƯ? ?gOM 6?Ô ừ?ậấ\?\? ề? \ M?lẩ? ?Ư?6?Êý\M?sÊ?ôẩ? ầK?ừÃ? !?Ê ể ? ỵƯ? ề? Ã?ở?Ê ể ? ỵƯ?ậấ'Ư?XQKRVD? 2? ừ?ậ"Ê?Ư*\?Ã?ƯỗÃK Ư?VKURD? 2? ừ?ậ"Ê?Ư*\?Ã?ƯỗÃ? ề? ? \ ? !?ÊộÃ? ầ? ề?ƯếƯ?ừÃ? !?ÔếƯ?Ưấ\ ậấ\? ề?ôẩ? M PPM?gễ? 2? ế?Gấ&Ư? ấ'ÊH?Ã?ƯỗÃ? ÃÊ? ? ũ? \?Ô ? Ã?ở? ề?P? ửÃ?ậÊ? Ê ÔểÊ? ?Ưở?XTDM L?sĂ?ầÃ?ƯỗÃ? ề ? ế? \?ể ? ô?ÔểÊ? ?Ưở?\ ?ỵ\? & ?ậ"? ?Ưở?GPL H?Ơ?OKXT Ư?dGxNwOƠPOOHM jểÊ? ?Ưở?ậ? ềY ˆ ˆ ˆ Y0 L t n k M Se(Y0 ) [?dGxNw¥PTOH?[ Y0 J t n k M Se(Y0 ) X ˆ Y ˆ ˆ Se(Y0 ) (X i ˆ 2( X) (X X ) (X i X ) n ˆ2 Se ( ˆ ) SPKXROX?[?dGxNw¥PTOH?TWKQRQT I?c2? Õ› £ ế? ?Ưế? ? Ê?ÔểÊ? ?ƯởY Y0 L t n k M Se(Y0 ) [?xO?[ Y0 J t n k M Se(Y0 ) ˆ Se(Y0 ) ˆ (1 n (X X ) (X i X ) `M?j ó«?Ëÿ‹⁄?⁄ ư‹? Ê'‹£? 2? ấẫÊ?Ã\?Gb Gt K?t FH?Ơ?O ? gOY?Glẩ? ?Ê!Ư?ÔẩÊ?Ư? ử? ấ'Ê? 2? ÊÉ‹£?fl·\‹H gPY?GlÈ?⁄ ‹⁄?£!¦?¦š?⁄ ư‹? Ê'‹£? 2? ÊÉ‹£?fl·\‹H ? FHM L?s ầÃ?ƯÃố Q (1) v ?Ơ?ằ Q?Ơ?MMM?Z Q?] H bếƯ?PY? ỵ Q ? Q ?Ư? Ã"Ư?ô ũ? ếƯ? ?\?ÔẩÊM?jừ ? Ãở? ũ? ử? ấ'Ê? ấẫÊ?Ã\?Ư*\?ôẩ? M bếƯ?QY?wĂô?oL \ ÃĂ?Go \ „H?] ?¦⁄Ê\?¦š?¦É? $? Õ¦? Ž?gOM?oL \ ·¡?[ ? Õ¦ ?gOM L?s ầÃ?ƯÃố?e v ?Ơ?ằÂ?Ơ?MMM?Z?Â?] f ( k 1,n k 1) H bếƯ?PY? ỵ? ? ? ?Ư? Ã"Ư?ô ũ? ếƯ? ?\?ÔẩÊM?jừ ? Ãở ũ? ử? ấ'Ê? ấẫÊ?Ã\?Ư*\?ôẩ? M bếƯ?QY?wĂô?oL \ ÃĂM L?lẩ? ? 2? ấẫÊ?Ã\? ởƯ?PY t ?Ơ Mt LP?J G`qPH lg R j ‹⁄? õ? Ê'‹£ Y?⁄ö? !? 2? ÊÉ‹£?fl·\‹ Cov( U t , U t ) Var ( U t ) Cov( U t , U t ) Var ( U t ) Var ( U t ) L?lÈ?⁄ ‹⁄? 2? ÊÉ‹£?fl·\‹? ë¦?Q t ?Ơ PMt LP?J QMt LQJ G`qPH L?s ầÃ?ƯÃố?cà Lv\ ›‹ wð ?«È?⁄ ‹⁄?`qP ˆ etet e i2 ˆ ?P ?? ?O ?Ư ?ƠP ?ôẩ? ?Ư? ử? ấ'Ê? 2? ÊÉ‹£?fl·\‹?⁄›Ị‹?⁄Ĩ›? ÊÉ‹£ ⁄ ư‹? Ê'‹£? ÊÉ‹£?fl·\‹? ÊÉ‹£M ˆ L P ?? ?Ơ LP ?ôẩ? ?Ư? ử? ấ'Ê? 2? ấẫÊ?Ã\?ề?ể?ô S ?Ư ử? ấ'Ê? ấẫÊ?Ã\ ôM O ?? Q ÔẩÊ Ư ?Ơ?O ?ôẩ? ÔẩÊ Ư? ử? ấ'Ê? 2? ấẫÊ?Ã\ ử? ấ'Ê? ấẫÊ?Ã\M ÔF?Ơ?Ô L?P ?? \? ểÊ? ? Ò? ·M ‹ GOK? HY?s2? ÊÉ‹£?fl·\‹? ÊÉ‹£Y G K? ÃH?ồƯ?G ÃK? HY?ÔẩÊ?Ôừ ? Ãở?ậấ'ƯM GG ÃK?QH?ồƯ?GQK? ÃHY?ÔẩÊ?Ư? ử? ấ'Ê? 2? ấẫÊ?Ã\M L?lẩ? ?Ư? ừ? ụ? ?ÔẩÊ? (Ê?cLv? ấ#Ê?ôề?ể ? (Ê?cLv?M lẩ? ?Ê!ƯY?x ?Ơ O??J PwP J?MMM ÔLPwÔLPK ?J Mx ?J?t ?????G£!¦H nkr?G£!¦HY?ËÊ'¦? K?nkr?G£!¦HY?ËÊ'¦? K ˆ K?r¡G ˆ H l ũ? ếƯ? ? ềY?v ?Ơ?ằ h (1 d n ) K? ?⁄? ?] U 2 (1 n ).Var ( ) L?j úô?ậ?ô-Ư?` Ă ?Ơ O??J PwP J?MMM ÔLPwÔLPK ?J MĂ LP?J?t GPH Ă ?Ơ O??J PwP J?MMM ÔLPwÔLPK ?J?t GQH 2 nkrGPHY R K qrrP nkrGQHY R K?qrrQ gOY?Glẩ? ?Ê!Ư?ÔẩÊ?Ư? ử? ấ'Ê? 2? ấẫÊ?Ã\H gPY?Glẩ? ?Ê!Ư?Ư? ử? ấ'Ê? 2? ấẫÊ?Ã\H L?s ầÃ?ƯÃố Q v ?Ơ?ằ Q?Ơ?GLPHM R Z L?s ầÃ?ƯÃố?e v ?¥?» f Q ?] (RSS RSS1 ) / ;f RSS1 /(n k 1) (1) H f (1,n k 1) bếƯ?Ư0\Y PM?oấẫÊ?ế? \ ?? Ê?Ãế Y x ?Ơ O??J PwP J?MMM J ÔLPwÔLPK ?J?t ?????GPH x ?Ơ O??J PwP LP J?MMM J ÔLPwÔLPK LP?J?t LP?GQH lẩ? ?P?ậ,Ê? ?ôẩ? ?Q?ậ,ÊM t ?Ơ Mt LP?J lg S j ? õ? Ê'‹£ m⁄Å‹?GQH? & ?‒ž ? ‒.?Ë ?GPH x L Mx LP?¥ O?GPL H?J PGwP L wP LPH?J?MMM?J U * ¥ t ?J t LP t * * * * Yt * X * 1, t U * GIH X 1t k k t ˆ * K ˆ * K?MMM?K ˆ * k nkr?GIH Y * GwÔLPK L wÔLPK LPH?J?t ?J t LP ÔLP Z j ?Ơ ˆ *j (1 ) ˆ ˆ X ˆ X 1 k k QM?o⁄ÊÉ‹£?fi⁄Õfi?b›¦⁄‒\‹¡Ln‒¦· ?GbLnH x ?Ơ O??J PwP J QwQ ?J?t ?????GÊ!ƯH nkr?GÊ!ƯH ?Ă M w? 2Ê?ôẩ? ?Ă ?Ơ Ă LP?J ?GdPH M?r/? -Ê ˆ Õfi? -‹£?fi⁄ÊÉ‹£?fi⁄Õfi? \ ?fi⁄Å‹?¦êfi?P? ‹£?fl·Õ ?G aÊ&¦?PY nkr?GdPH ËÊ'¦? ⁄\„? Ù‹£ ˆ H ??fi⁄ÊÉ‹£? ‒ ‹⁄? \ ?fi⁄Å‹?¦êfi?P? ‹£?fl·Õ Y x L ˆ Mx LP?¥ O?GPL ˆ H?J PGwP L ˆ wPK LPH?J QGwQ L ˆ wQK LPH?J ??GbLnPH ˆ K ˆ K ˆ KY ˆ nkr?GbLnPH aấ&Ư?QY GdQH nkrGbLnQH e ??ôẩ? e e2 t t t t ˆ M?r/? -‹£ ˆ ?ậú?? 2Ê?ôẩ? ? \ ??Ườ?P? Ê?Ãế ?GbLn H nkrGdQH Q ˆ K ˆ K ˆ KY ˆ nkr?GbLnQH s ừ? -Ư? ấ&Ư? ồ?ấ? ầ?ậừ?Ô ấ&Ư? \Ã? ? & ?$? ấ&Ư? ấ&Ư?Ưầ? ửƯ?ÔẩÊ ậếÊ?Ôú?G[PNPOOOHM aM?j úô?ậ? ệÊ?ềô? ?à ?GdGt H?Ơ?O ? H gOY?GcệÊ?ềô? ?à ?ậ,ÊH gPY?GcệÊ?ềô? ?à ? \ H r/? -Ê? ầÃ?ƯÃố QK?Â?GoL \ ÃĂ?Ư*\ QK?ÂH?ậú?Ô úô?ậM L?oế ? ử? w ?Ư? ỵƯ?'? & ?ôẩ? ?\?ÔẩÊK?Ô úô?ậ?gOY?G ?Ơ?OH gPY G ?OH L j úô?ậ? 2? Ã?ủ?Ư*\ ềô? ?à Y?gOY?Glẩ? ?ỵ ? ừ?ậ,ÊH gPY?Glẩ? ũÃ? ừ?ậ,ÊH L?j úô?ậ?ô-Ư?a J?s ầÃ?ƯÃố Q ˆ ˆ ˆ ˆ Y Y K Y KMMMK Y m K?Ă nkr?GxNwPK?wQK?MMM?K?wÔLPH GPH m w ?ôẩ? ĂN?wPK?wQK?MMM?K?wÔLPK Y K Y KMMMK Y ˆ ˆ ˆ ¡ ?¥ O??J PwP ?J?MMM PwÔLPK ?J Q Yi J R Yi ?J?MMM ô Yim Jt ?GQH gOY?GlÈ?⁄ ‹⁄?P?Ë,‹£H gPY?GlÈ?⁄ ‹⁄?P? \ H nkr?GQH R2 v ?¥?» Q?¥?‹M R ?Z Q?] J?s ầÃ?ƯÃố?e GxNwPK?wQK?MMM?K?wÔLPK Y H lg ( m 1) H ˆ Y T j ‹⁄? õ? Ê'‹£ x ?Ơ O??J PwP ?J?MMM PwÔLPK ?J gOY?Glẩ? ?Ê!Ư?ậ,ÊH gPY?Glẩ? ?Ê!Ư? \ H (R v ?Ơ?ằ f (1 R ) R1 ) ˆ Jt Ô Yi ;f f (1,n GRH k 1) (n k 1) bM?j úô?ậ? ỵ?ƯÃố?Ư*\? \ ? !?ÊộÃ? ầ?Gt ?? !?ƯÃốH gOY?Gt ?? !?ƯÃốH gPY?Gt ?ÔẩÊ?? !?ƯÃốH L?s ầÃ?ƯÃố Q ( 2) v ?Ơ?ằ Q?Ơ?MMM?Z Q?] H nkr?GÊ!ƯH ?Ă M?sỵ?r L?ử? !?ậ! ?1Ê?Ư*\?ĂK?j L?ử? !??Ư*\?Ă v ?Ơ?ằ Q?Ơ?sa?Ơ?s\ÃĂ?aĂ\?Ơ n S2 (k 3) ?Z 24 Q ?] (1) H cM?j ó«?Ëÿ‹⁄?fi⁄ÊÉ‹£? \ ? \ ? !? ⁄\„?Ë M gOY?Glẩ? ?Ư?ấẫÊ? \ ? \ ? !?ÔẩÊ?ậ H gPY?Glẩ? ‹⁄?¦š?fi⁄ÊÉ‹£? \ ? \ ? !? ⁄\„?Ë H r/? -‹£ ầÃ?ƯÃố QK?Â?GoL \ ÃĂ?Ư*\ QK?ÂH?ậú?Ô úô?ậM \M?j úô?ậ?o\Ô u\Gt H?Ơ i2 a.X b ji r/? -‹£ e i2 ⁄\„?¦⁄› e i2 ln e i2 i a.X b e vi ji ln a b ln X ji Vi ¥ O?J PM? ‹w ?J?u ???????????GoH gOY?GlÈ?⁄ ‹⁄?¦š?fi⁄ÊÉ‹£? \ ? \ ? !?ÔẩÊ?ậ H ?Glẩ? ?o?ÔẩÊ?Ư?6?Êý\H gPY?Glẩ? ?Ư?ấẫÊ? \ ? \ ? !? \?ậ H ?Glẩ? ?o?Ư?6?Êý\H M?j úô?ậ?f Ă Ă Ă ?¥ O?J PM w ?J?u X ji ei ei X ji ei Vi Vi Vi X ji j ó«?Ëÿ‹⁄?v⁄ ¡ e i2 nkr?GvH X 1i R X 2i X 1i X 2i X 1i w v ?¥?» Q?¥?‹M R ?Z w lg Q ?] ( k w 1) H U X 2i Vi GvH j ‹⁄? õ? Ê'‹£ j úô?ậ?ô-Ư?c GcH e i2 Ơ O?J PM Yi2 ??J?u nkrGcH R D K ˆ K?r¡G ˆ H L?s ầÃ?ƯÃố Q (1) v ?Ơ?ằ Q?Ơ?M R Z Q?] H D L?s ầÃ?ƯÃố?e Se( ˆ 1) v ?¥?» f ;f f (1, n 2) bếƯ?Ư0\Y L?ễ? i2 M?b \?ôẩ? ?Ê!Ư?Ư L?bấ\? i2 Y J?u\‒Gt H?¥ i ?¥ 2 i M X ji M?b \?ôẩ? ?Ê!Ư?Ư X ji J?nkr?Gl?Ê!ƯH Yi M?b ?ôẩ? ?Ê!Ư?Ư Yi M J?kÊ\ ?\?ôẩ? ?Ê!ƯM \?Ư"Ê? Ãừ r/? -Ê?ềô? ?à ?-Y x ?Ơ O??J PwP ?J?MMM ÔLPwÔLPK ?J?t mÊ ?Ê#? ? ệ ?ậ\?Ư"Ê? Ãừ?Ê 0\?wPK?wQK?wR ?? ?ôẩ? ? ?à Y wP ?Ơ O?J PwQ ?J RwR ?J?t ?GIH gOY?Glẩ? ?Ê!Ư?ÔẩÊ?Ư? ử? ấ'Ê?ậ\?Ư"Ê? ÃừH ?Glẩ? ? ?à ?-?ÔẩÊ Ư?6?Êý\H ?G R * Ơ?OH gPY?Glẩ? ?Ê!Ư?Ư? ö‹? Ê'‹£?Ë\?¦"‹£? ·„õ‹H ?GlÈ?⁄ ‹⁄?⁄ž ?fl· ?fi⁄-?¦š?6?‹£⁄ý\H G R * ?OH l ũ? ếƯ? Y R* v ?Ơ?ằ f (k * 1) ;f (1 R ) (n k * ) f ( k* * 1, n k * ) b⁄ÊÉ‹£?hhM?gỊ«?⁄ž ?fl· ? " ˆ2 e i2 (n k ) RSS (n k ) j ó«?Ëÿ‹⁄?⁄\ ? ⁄\«? !Y L?j ? Ã?ở ề?Ê ế?Ư(Ê? Ê?ô" ?ậẫ? ? ?Ã?ƯỗÃ?ÔẩÊ?ậ M gOY?G P?J Q?Ơ?OH ờÃ?J? P? ề Q? ế ? ê·M gPY?G P?J Q ?OH l ị‹? Õ¦? Ž? ÒY v ?¥?» t Se( ˆ lg ˆ ) ˆ ˆ Se( ˆ ˆ ) ;t tn k Se ( ˆ ) Se ( ˆ ) 2Cov( ˆ , ˆ ) V j ‹⁄? õ? Ê'‹£ L?j⁄ ?Ê ế?ềÊ?\?ậ? ề?Ê ế?ềÊ?\? \? ừ?Ư(Ê? Ê?ô" ? ấ'Ê?ƯỗÃ?ấ?\Ã? Ê ế?ềÊ?\?ậ? ếƯ?ậ"Ê?ậừ?Ã?ƯỗÃ?ôệ?ẫ?Ê ế?ềÊ?\? \? ừM gOY?G Q?J R?Ơ?OH ờÃ?J? Q? Ò R? ‒Õ ? ê·M gPY?G Q?J R ?OH L?j ? Ã?ở ề?Ê ế?Ư(Ê? Ê?P?ậẫ? ? ?Ã?ƯỗÃ? ộ? Ä‹£?‹/\?ËÉ‹? ÿM gOY?G P?J Q?¥?OKTH ê·?J? Q? Ị R? ‒Õ ? ờÃM gPY?G P?J Q ?OKTH ế?Ê ế?ôẩ? L?sĂ?ầÃ?ƯỗÃ? ề ? ế? \?ể ?Ô úô?ậ?Ưồ?Ê ể? Y gOY?GqQ?Ơ?OH ?G P?Ơ Q Ơ?MMM?Ơ ÔLP?Ơ?OH gPY?GqQ ?OH ?G ? ệ ?ỵ ?ờ ?P ?OH l ũ? ếƯ? ? ềY R2 v ?¥?» f (k 1) ;f (1 R ) (n k ) f (k 1, n k ) j úô?ậ? 2? Ã?ủ?Ư*\?ềô? ?à Y gOY?Glẩ? ?ỵ ? ừ?ậ,ÊH gPY?GlÈ?⁄ ‹⁄?‹⁄ ị·? õ‹?Ë,‹£H \M?l ị‹? Õ¦? Ž? ỊY (R v ?¥?» f (1 R ) (R v ?¥?» f R2) 2 nb m ;f f ( m ,n k) (n k ) R ib ) nb (1 R ) m ;f f ( m ,n k) (n k ) M?l ị‹? Õ¦? Ž? ỊY (RSS v ?¥?» f RSS1 (RSS ib v ?¥?» f RSS1 ) m ;f (n k ) RSS nb ) RSS nb m ;f f ( m ,n k) f ( m ,n k) (n k ) c2? ếY \M?&Ư? ấ'Ê?ậ úô Y0 Ơ ?J ˆ X ?J ˆ X ?J?MMM?J ˆ k X k M?&Ư? ấ'Ê?ÔểÊ Y0 L t n k M Se(Y0 ) [?dGxN X K X KMMMK X H?[ Y0 J t n k M Se(Y0 ) k ˆ r¡G Y0 H?¥ lg ˆ Var (Y0 / X ) W j ‹⁄? õ? Ê'‹£ ˆ Var (Y0 / X ) ?¥ X ˆ (X'.X) X ¥ X Cov( ˆ ).X ˆ2 R2 RSS n k (1 R ).(n 1) (n k ) aề ? ở?Ô ? ừ? ấ'Ê aề ?P bÃ? PM? j ? Ê ầ? Ư1Ã? ? Ô ửô? r? -? Ã"Ư? Ã? ở? l? ? ề? # ? Ê \? s? ệ ? ô" ? Ã!Ư? Ê \ Êấ# ? \?ậễ? ẩÊ?Ôầ?PW?ô?GPXSULPXURH b?Ôừ ?Ãể? ?à ?GhHM n‒ ‹\‒„? ¡\ ? fl·\‒¡ ?¡ «\ ›‹ c¡fi¡‹ ¡‹ ? \‒ \ ¡? ?r PW?› ¡‒ \ ›‹ ?· Ă ?Â?Ă ô\ ?Âô?SU? ?UR IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII qĂÊĂ bĂ Ư ¡‹ r \‹ \‒ ?¡‒‒›‒ sLq\ › zo‒› | h‹fi L?QMQUVP MQVRVW LWMQWOV zMOOO| l MROSTX MOSOWOV VMSUSQ zMOOO| s LMPWSVU MORXXUP LSMUQRU zMOOO| IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII eL \ ¦ eGQKPTH?QPTMVVUR?zMOOO| cvL \ ¦ PMUTPO IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII `M?r¡‒ \ ?b›‒‒¡ \ ›‹ b⁄ L GPH?Ơ?MQVQRU?zMUOQ| eGPKPSH?Ơ?MQPTOX?zMUTO| aM?eÃƯ ?eô b L GPH Ơ?MXUUPU eGPKPSH?Ơ?MVXSOW bM?mô\ b L GQH?Ơ?PMPSUU?zMTUS| m ?\ Ư\ Ă cM?gĂ Ă Ă \ Ư b L GPH?Ơ?QMRRXP?zMPQU| eGPKPUH?Ơ?QMRWXW?zMPSQ| PM?u õ ?⁄Ị«?⁄Š ?fl· ? ‹£? ⁄ó? Ị?⁄ž ?fl· ?«é·M QM?f ể ? ỵƯ?ƯếƯ? ỵ?Ê ế? ? !Ê?Ôầ?b L ? Ê?ô-Ư?c?Ư*\? ểÊ?c \Ê Ư? Ă M?jừ ? Ãở Ê ? ?Ôừ ?fl·Ĩ?‹Ị„M RM?bš?‹£Ê# ?¦⁄›?‒Ù‹£?¦⁄ù? ⁄·?‹⁄ëfi? Ị?‚·? ⁄õ? ⁄# ?£ \‹? ⁄ ?ÔẩÊ?ậ*?Ê ể ? ỵƯ?Ư? ?Ô ửôK? ở?ôẩ? ? ầ? ừÃ? ừM?gễ?Ô úô? \?6?Ô ừ?ềM SM?sĂ?Ôừ ?Ãể? ầ?ừÃ? Ê?ô? ?Êấ# ? \ Ư?Ê? Ã?ở?Ư\?ẫ? 2?ậ?POO?ậẫ? ?ô1Ư? Ê? ?Ô ửô? ! ?ậ\? ? Ê? ề? \? ầÃM TM?mõ·?‹Ä«? JP? ⁄·?‹⁄ëfi? Ä‹£?P?ËÉ‹? ÿ? ›? & ?‹Ä«? ? ⁄ ?ô1Ư? \?ậ ? ?Ô ửô?G ÃÊ? H? Ê? ề? \? ầÃM UM?b?Êấ# ?Ư?Ê?Ưỵ? Ã?ở?l?Ư+Ê?-? Ã"Ư? # ?Ê \?s? ề? ừ?ề?\ ? ?à Y J?l ?Ơ?\?J? s?J? ?ở?ậấ'Ư?qQ?Ơ?MOXUQR???G\H J? ?l ?Ơ?\?J? s?J? ?ở?ậấ'Ư?qQ?Ơ?MSQPR???G H s.?ô ?Ôừ ?Ãể? ?à ?ề?Ư? ú?Ôừ ? Ãở?ôẩ? ?GPH?Ư?ậ\?Ư"Ê? Ãừ?\?ÔẩÊ^ bÃ?QM?u& ?ƯếƯ? ầ?h? ề?ậỗÃ? ấ? ấ?K?x? Ã?ở?Ã!Ư? K?q? ễ ? Ãờ ? ÃÊ? ? ũ?Ê/ ?Ô ệ?R? ếÊ?Ư*\?ô" ?Ã!Ư?Ê \M?mÊấ# ? \?Ư?Ôừ ?Ãể?ấ&Ư? ấ'Ê?nkr?Ư*\?ôẩ? ? \ÃY ‹h?¥ L?PMXQSX?J?OMXWRRX ‹x L?OMPQVOW ‹q r¡???????PMRXVV???????MOQXXP???????????MOUOUW qL fl·\‒¡?¥?MXXQVSZ?RQ?› ¡‒ \ ?Ã Ă ?Â?Ă ô\ ?Âô?PXTX? ?PXXO u& ?ô ?Ê ể? ?Ư*\?nkr?ậấ'Ư? \?ôễY PM?jừ ?Ãể?ấ&Ư? ấ'Ê?ôẩ? ?ề?Ư?Ườ?ở?ậấ'Ư?\?ÔẩÊ^?GƯể? ũ?ôồ ? !Ê?Ôầ? ề?6 Êý\?Ô ? ừHM QM?gễ?ấ&Ư? ấ'Ê?ô1Ư? Ê?ậỗÃ? ấ? ấ?? ! ?ậ\?Ô ? ễ ? Ãờ ? ũ?Ê/ ?Ô ?ệ?R? ếÊ?Ê ểô?PDM RM? s# ? Ô ? ấ&Ư? PXTX? Êấ# ? \? ờ? Ô ? Ê? Ã?ở? PD? ? ậỗÃ? ấ? ấ? ? Ê? PDK? ể ƯÊ? # ?Ô ?PXTX L?PXXO?Ã\?ử?ề?ậễ?ÔếƯ? ấ&ƯM b ?Ơ?TD?Ư?ô ?Ô úô?ậ? ề?ấ&Ư? Ê'‹£M lg X j ‹⁄? õ? Ê'‹£ bÅ·?PM PM?gỊ«?⁄ž ?fl· ? ‹£? ⁄óY?dGxNlK?sH?¥?x ?¥ O?J Pl ?J Qs ?J?t ˆ gềô? ?à ?ôộÃY Yi Ơ J l ?J ˆ s GPH QM?f Õ? ‒ÿ?b⁄ L ? Ê?ô-Ư?c?Ư*\? ểÊ?c \Ê Ư?GÔ úô?ậ?ô-Ư?cH f ế? ?ề?ậấ'Ư? 2Ư? ử?ậú?Ô úô?ậ?Ê ể? gO?Ơ?Glẩ? ?Ê!Ư?Ư? ?ÔẩÊ?ậ H gP?Ơ?Glẩ? ?Ê!Ư?Ư? ? \?ậ H l ũ? ếƯ? v ?Ơ?ằ Q?¥?‹M q Q K Q?] Q GPH ? GIH c f ế? ?b L ?ậấ'Ư? ỵ? ?ƯẩÊ? 1Ư?GIHM Q ¥?QKRRXP Q Q O K OT GPH ¥ Q fl GPH Ơ?RKWSP Q GPH ?v M?bấ\?Ư?Ưẫ? $? ếƯ? ?gOM [ jừ ? ÃởY?lẩ? ?Ê!Ư?Ư? ?ÔẩÊ?ậ M bếƯ?QY?u ?oL \ ÃĂ?Ơ?OKPQU?] ?Ơ?OKOTM bấ\?Ư?Ưẫ? $? ếƯ? ?gOM I?sĂ? ầÃ?ƯÃố?e Se( ) v ?Ơ?ằÂ?Ơ K?Â?]  GPK QH ¢fl ?¥?QKRWXW ¢ GPK ‹ Q H ¥?SKSX ¢fl ?[ ¢ GPK ‹ QH ?v M b⁄Ê\?¦š?¦É? $? Õ¦? Ž?gOM J?oL \ ÃĂ?Ơ?OKPSQ?] ?Ơ?OKOTM?bấ\?Ư?Ưẫ? $? ếƯ? ?gOM jừ ? ÃởY?lẩ? ?Ư? ?ÔẩÊ?ậ M RM?j úô?ậ?ô-Ư?a sĂ?ầÃ?ƯỗÃ?Ư*\? ề ? ế? \?ể ?Ô úô?ậ?Ưồ?Ê ể? Y gOY?G ệÊ?ôẩ? ?ậ,ÊH gPY?G ệÊ?ôẩ? ? \ H l ũ? ếƯ? ? ềY GIH?GôƠQH v ?Ơ?ằ Q?Ơ?M q Q K Q?] Q Gô PH ? a Q fl Q ¥?OKXUUPU Q O K OT GPH Ơ Q [ ồƯ Q GPH GPH Ơ?RKWSP ?v M?b⁄Ê\?¦š?¦É? $? Õ¦? Ž?gOM Q Gq Q q P H N P a K?¢?] ¢ GPK ‹ GP q Q H NG Ô PH a  ?Ơ?OKVXSOW KPS  GPK Ô PH Ơ  OGPOT Ơ?SKU K v ?Ơ?ằÂ?Ơ Ô PH  ?[  GPK Ô PH ?v M?b⁄Ê\?¦š?¦É? $? Õ¦? Ž?gOM jõ ? ·ë‹M?lÈ?⁄ ‹⁄?¦š? ệÊ?ậ,ÊM SM?sĂ?ầÃ?ƯỗÃ? ề ? ế? \?ể ? ô?ÔểÊ? ?Ưở? ! ?ậ\? & ?ậ"? ?Ưở?GPL H?Ư? \ô? ! jểÊ? ?Ưở?ậ? ềY ?[ j ?J Ô MrĂG j H Ô Ơ PTOT Ơ?PKVTR OK ?[?OKROSTX?J?PKVTR??OKOSOWOV?Ơ?OKRVUPQT lg PO M Q j ‹⁄? õ? Ê'‹£ jõ ? ·ë‹Y?mõ·? ⁄·?‹⁄ëfi?¦\›?⁄É‹? 2?Ëÿ‹⁄?POO?ËÉ‹? ? ?ô1Ư? Ê? ?Ô ửô? ! ?ậ\? ề?RVK?UPQT ậẫ? M TM? sĂ? ầÃ? ƯỗÃ? ề ? ế? \? ể ? ô? ấ&Ư? ấ'Ê? ậ úô? ậ! ? & ? ô1Ư? \? ậ ? ? Ô ửô? G ÃÊ HM G ũÃ?ề?Ư?Êý\? ề?Ô ? Ã?ở? Ê? ầô?ô" ?ậẫ? ? ề? # ?Ê \? Ê? ầô?ô" ?ậẫ? ? ?Ô ửô? Ê? ầ? ề? \? ầÃH r?Ơ J Ơ?OKROSTX L?OKPWSVU?Ơ?OKPPXWR jừ ? ÃởY?mừÃ?ô? JP? Ã?ở? Ê?P?ậẫ? ? ? & ?ô? ? ?ô1Ư? \?ậ ? ?Ô ửô?G ÃÊ H? ề?OKPPXWR?ậẫ? M UM?sĂ?Ê ể? ?ậễ?ƯK?Ưự?Ư?ôẩ? ? ề?ôẩ? ? Ãừ? ỵ? ề? (Ê?ậú?Ô úô?ậ?ôẩ? Ê!Ư?Ư? ử? ấ'Ê?ậ\?Ư"Ê? Ãừ?\?ÔẩÊM sĂ?ầÃ?ƯỗÃ? ề ? ế? \?ể ?Ô úô?ậ?Ưồ?Ê ể? Y gOY?Glẩ? ?Ê!Ư?ÔẩÊ?Ư? ử? ấ'Ê?ậ\?Ư"Ê? ÃừH ?Glẩ? ?\?ÔẩÊ?Ư?6?Êý\H ?GqQ?Ơ OH gPY?Glẩ? ?Ê!Ư?Ư? ử? ấ'Ê?ậ\?Ư"Ê? ·„õ‹H ?GlÈ?⁄ ‹⁄?\?¦š?6?‹£⁄ý\H ?GqQ ?OH l ị‹? Õ¦? Ž? ỊY Q q I NG Ô I PH K?Â?]  G Ô I PK Ô I H v ?Ơ?ằÂ?Ơ Q GP q I H NG Ô I PH  ?Ơ  G ÔI Q q I NG Ô I PH OKOXUQR NGQ PH ¥ ¥?PKTXWUS Q GP q I H NG Ô I PH GP OKOXUQRH NGPW Q PH PK Ô I H KPT Ơ  OGPOT H Ơ?SKTS K  ?[  G Ô I PK Ô I H ?v M?bấ\?Ư?Ưẫ? $? ếƯ? ?gOM jừ ? ÃởM?lẩ? ?Ê!Ư?ÔẩÊ?Ư? ử? ấ'Ê?ậ\?Ư"Ê? ÃừM bÃ?QM lẩ? ? ?à Y?h?¥?¡ OMx PMq QM¡· ‹h?¥ O??J P ‹x?J P ‹q gềô? ?à ?ôộÃY ?Ơ e Y R e u t I ‹ h ¥ ˆ J xJ q PM?6?Êý\?Ư*\?ôẩ? Y L?uũ?ôồ ?Ô ? ừY ?]?O?Ô ? Ã?ở?Ã!Ư? ? Ê? ?ậỗÃ? ấ? ÊM ?[?O?Ô ? ễ ? Ãờ ? ũ?Ê/ ? Ê? ậỗÃ? ấ?Ê ểôM L?uũ?ôồ ? !Ê?ÔầY ? Ê?P?ậẫ? ? ?ậỗÃ? ấ? Ê?OKXWRRX?ậẫ? M ? Ê?P?ậẫ? ? ?ậỗÃ? ấ?Ê ểô?OKPQVOW?ậẫ? M lẩ? ?ấ&Ư? ấ'Ê?(?'? & ? ỵ? Ãừ ? ề? 2Ư? ừM QM?sĂ?ầÃ?ƯỗÃ? ề ? ế? \?ể ? ô?ÔểÊ?ấ&Ư? ấ'Ê? ! ? úÃ? & ?ậ"? ?Ưở?GPL HƠOKXT?Ư \ô? ! QM j⁄›Ĩ‹£? ‹?¦ë„?Ëš? ỊY ?] ˆ j L ‹ ¤ Mr¡G ˆ j H ‹ ¤ 29 ¥ t 0, 05 ?¥?PKUXX ˆ fl ?¥ * j Se( ˆ j ) ¥ 0,12708 ¥ LQKOXSR 0,06068 ?] LOKPQVOW L?PKUXX?‚?GLQKOXSRH?¥?RKSRPP jõ ? ·ë‹Y?j⁄ ? Ơ ? ·ê ? ị‹?£/ ?Ê ểô?PD? ?ậỗÃ? ấ? ấ?? Ê? ! ?ậ\? ề?RKSRPPDM RM?sĂ?ầÃ?ƯỗÃ? ề ? ế? \?ể ?Ô úô?ậ?Ưồ?Ê ể? Y lg PP j ‹⁄? õ? Ê'‹£ gO?G P?¥?PH gP?G P ?PH l ị‹? Õ¦? Ž? ỊY * ˆ j v ?¥?» ?¥ Z ? ?] Se( ˆ j ) ?Ơ Ô Q * j Se( j ) Ơ Ô Q 0,98339 Ơ LKTTTR 0,02991 29 ¥ t 0, 025 ¥?QKOST ? fl ?[ Ô Q ?v M?bấ\?Ư?Ưẫ? $? ếƯ? ?gOM jừ ? ÃởY?sÊ? # ?Ô ?PXTXLPXXO?Ô ? Ã?ở? Ê?PD? ?ậỗÃ? ấ? ấ?? Ê?PDM?pÃ\?ử ề?ÔẩÊ? \?ậ M LLLOLLL aề ?Q b?Ôừ ?Ãể? ?à ? \Ã? & ?x? ề? ấ'Ê?Ê? ầÃ? -?$?ô" ? ?ễ? Ê?ô" ? ếÊ?GÊ ? ỵ HK wl? ề? !?Ă?ôế?Ư*\? ễ?GÊ ?Ư ừƯHK?ow? ề?Ê ế?Ê?GÊ ?ậÊN ỵ HM b ?Ơ?TD zP|?n \? Ă\ ? Ã\Ă ?Ă ô\ cĂĂ ¡‹ ? \‒ \ ¡? ?x PV?› ¡‒ \ ›‹ ?Ã Ă ?Â?Ă ô\ ?Âô?XXlPO? ?QOOPlQ IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII qĂÊĂ bĂ ¦ ¡‹ r \‹ \‒ ?¡‒‒›‒ sLq\ › zo‒› | h‹fi VVXMXR VQMXUT POMUWXP zMOOO| wl WMXRTR SMWTWW zMOOR| ow LPMTXOP QMXXST OMTRP zMUOX| IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII qL fl·\‒¡ MXSTWT eL \ ¦?eGQKPSH PMUTPO zMOOO| qL \‒L fl·\‒¡ MXRWPP rMd?›¢?q¡£‒¡ ›‹ PMVRPP qĂ Ã\ ?rÃô?Â?rÃ\Ă SPMXTPX lĂ\?Â?cĂĂ Ă ?u\ \ Ă PSMUSVP rMc?Â?cĂĂ Ă ?u\ \ Ă UMXTWQ l\ ôÃô?Â?kÊL ÔĂ LRPMWOOP cvL \ ¦ PMWUWPW IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII c \£‹› ¦? ¡ `M?rĂ \ ?bĂ \ b L GPH?Ơ?PMPPVO?zMSQS| eGPKPRH?Ơ?MTXVX???zMSSS| aM?eÃƯ ?eô b L GPH?Ơ?PMORUV?zMTXR| eGPKPRH?Ơ?MVTQR???zMRQQ| bM?mô\ b L GQH?Ơ?MWOQUU?zMUUX| m› ?\fifi ¦\ ¡ cM?g¡ ¡‒› ¡ \ ¦ „ b L GPH?Ơ?MPXSTW?zMUTX| eGPKPTH?Ơ?MPVRUV?zMUWR| PM?mừÃ?Ê ế?Ê? ề?TMSOO?ậN ỵ K?ễ?ấ&Ư? ấ'Ê?ậ úô? ấ'Ê? ầÃ? -?Ê? Ê?ô" ? ếÊ?Ư*\? Ưể?ƯếƯ?Ã?ƯỗÃ?ÔếƯ?Êề ?Êề ?Ã?ƯỗÃ?Ư?Ă?ôếM QM?b?6?Ô ừ?Ư?Ê? ?Ê? ề?ềÊ?\? ?ừÃ?ậ! ? & Êấ# ?Ư?Ă?ôế?ầ? ấ'Ê? ầÃ? Ê?ÔẩÊ?-? Ã"Ư? ề?Ê ế?Ê?ôề?Ưự?-? Ã"Ư? ề? ấ'Ê?Ă?ôếM?gễ?ở? ?6?Ô ềM RM?mừÃ? Ê?ô?QOOO? !?Ă?ôế?ềÊ? ếÊ? Ê? ầ? ÃÊ? ?POO?Ư ừƯ? ? ấ'Ê?Ê Ưỗ?ƯÃÊ?1Ê?Ư? ?ễ?ề?ể ? Ê? ầ? ! ? úÃ? \? ầÃ?ậú?ậế?1Ê?ậ*^ SM?b?6?Ô ừ?Ư?Ê?ừÃ? !?Ă?ôế?Ê ểô?ậấ'Ư?POOO?Ư ừƯ? ? ấ'Ê?Ê?Ư+Ê?Ư? ú?Ê ểô ậ ?ỵ ?ờ ? ề?POMOOO? ỵ M?gễ?ở? ?6?Ô ừ?ềM TM?oể ?ƯÊ? ấ'Ê? ầÃ? -?Ê? \?ậ"Ê?ÔẩÊ?ấ?\Ã?Ê 0\?ƯếƯ? ếÊ^ UM?b?6?Ô ừ?Ư?Ê?ừÃ?Ư?ấẫÊ? ử?Ê \? ẩÊ?ƯẩÊ?Ư"Ê?GĂ? Ã6 HK?Êấ# ? ? ù?ỵ ?ậ ?Ă ôế?ẫK? !?Ă? Ã6 ? Ê? ầô? ?Ư? ú?Ê ểô? ấ'Ê? ầÃ? -?Ê?ậ M?gễ?ầÃ?ƯếƯ?? þ¦⁄ Ëó?¦š? ⁄ó?ËÕ‹⁄?£ Õ?‹⁄ë‹?‚ð ?Ëš?‹õ·?¦š? !? ư·? ị? !?‚¡? ·6 M lg PQ j ‹⁄? õ? Ê'‹£ VM?mõ·?⁄ž fl· ?«È?⁄ ?Ư? ầô? ừ?Ê ể ? ỵƯ?wa? ề? !?Ă? Ã6 K?Ê ? ề?ôẩ? ?zQ|? ?? à ậấ'Ư?ử? !?ếƯ?ậ? Ê?MXWQRM?uở?Ư?ầ?ậấ\? ừ?ậ? ề?ÔẩÊ^ WM?g ?à ? !?Ă?ôế? Ă? !?Ă? Ã6 ?Ư?ử? !?Ưồ? ⁄·?ËÊ'¦?⁄ư? !?£š¦? Ù‹£ LMOPQV? Ị?Ë"? ư¦⁄ ¦⁄·è‹? ÊÉ‹£?1‹£? Ù‹£?MOOQRQM?b⁄›? õ ?Ôừ ?Ãể?ậ? (Ê?ậú? ềô?Ê K?Ôừ ? Ãở?Ê ? ũ?ôẩ? ?zQ|M lÈ?⁄ ‹⁄?⁄ž ?fl· Y?dGxNwlK?owH?¥?x ?¥ O?J Pwl ?J Qow ?J?t gềô? ?à ?ôộÃ?Gấ&Ư? ấ'ÊH Yi Ơ J wl ?J ow GPH PM?sĂ?ầÃ?ƯỗÃ?Ư*\? ề ? ế? \?ể ? ô?ấ&Ư? ấ'Ê?ậ úô?ềô? ?à ?GPH? & ?wl?¥?OK?ow?¥ TKSM ˆ Yi ¥?VVXKXR?J?WKXRTRM?O L?PKTXOP?‚?TKS ˆ Y ¥?VVPKRSRSU i jừ ? ÃởY?&Ư? ấ'Ê?ậ úô? ấ'Ê? ầÃ? -?Ê Ê?ô" ? ếÊ?Ư*\?Ưể?ƯếƯ?Ã?ƯỗÃ?ÔếƯ?Ô wl?Ơ?OK?ow?Ơ?TKS? ề?VVPKRSRSU?GÊ ? ỵ HM QM?sĂ?ầÃ?ƯỗÃ?Ư*\? ề ? ế? \?ể ?Ô úô?ậ?Ưồ?Ê ể? gO?G Q?Ơ?OH gP?G Q ?OH l ị‹? Õ¦? Ž? ỊY * ˆ j v ?Ơ?ằ ?Ơ Z ? ?] Ô Q Se( j ) ?Ơ Ô * j Se( ˆ j ) PS O K OQT ¥ Q PKTXOP O Ơ LKTRP QKXXST Ơ?QKPST Ô ? ?[ Ơ ?v M?bấ\?Ư?Ưẫ? $? ếƯ? ?gOM?mở? ? ầ? ề?ậ,ÊM Q bếƯ?QM?u ?oL \ ÃĂ?Ơ?OKUOX?] ?Ơ?OKOTM?bấ\?Ư?Ưẫ $? ếƯ? ?gOM?mở? ? ầ? ề?ậ,ÊM RM?sĂ?ầÃ?ƯỗÃ? ề ? ế? \?ể ? ô?ÔểÊ? ?Ưở? ! ? úÃ? & ?ậ"? ?Ưở?GPL H?Ơ?OKXT?Ư \ô? ! PM?jểÊ? ?Ưở?ậ? ềY ?] j L Ô MrĂG j H Ô ?Ơ Ơ PS O K OT ?¥?PKVUP * j Se( ˆ j ) ¥ 8,9353 ¥SKWTWW Se( ˆ j ) ?r¡G ˆ j H?Ơ?PKWRWXXR ?]?WKXRTRJ?PKVUP??PKWRWXXR?Ơ?TKUXWV jừ ? ÃởY?j ? ấ'Ê?Ă?ôế? Ê? ầô?ô" ?ậẫ? ? ? ấ'Ê?Ê?G ÃÊ? H? Ê?ỵ ?ờ ? ề TKUXWV?ậẫ? sĂ?Ê ể? ? ề ? ếK?Ô ? ấ'Ê?Ă?ôế? Ê? ầô?OKP?ậẫ? ? ? ấ'Ê?Ê? Ê?ỵ ?ờ ? ề OKTUXWV?ậẫ? M SM?sĂ?ầÃ?ƯỗÃ? ề ? ế? \?ể ?Ô úô?ậ?Ưồ?Ê ể? gO?G Q LPOH gP?G Q > -10) l ị‹? Õ¦? Ž? ỊY * ˆ j v ?Ơ?ằ ?Ơ Z?? ?] Ô ) Se( j ˆ fl ?¥ lg * j Se( ˆ j ) ¥ PKTXOP G POH ¥?QKWOWSS QKXXST PR j ‹⁄? õ? ấ'Ê Ô PS O K OT Ơ Ơ?PKVUP Ô ?v M?aếƯ? ?gOM?mở? ? ầ? ề? \ M ??] TM?ú ếƯ?ậ?ậấ'Ư? ấ'Ê? ầÃ? -?Ê?Ư? \?ậ"Ê?ÔẩÊ?ấ?\Ã?Ê 0\?ƯếƯ? ếÊ? ?ôẩ ? ầ?ể ?-? Ã"Ư? ề? ừ?s?G # ?Ê \HM?ấ\? ừ?s? ề?ôẩ? K? ầ?Ưẫ? $?ƯếƯ?Ê ế? ấ&Ư? ấ'Ê?ậấ'ƯK? ừ?ề?Ô úô?ậ?ử? !?Ưồ?Ư*\? ừ?Ê ể ? ỵƯ?s?ậú?Ôừ ? Ãở? ũ?ô1Ư?6 Êý\?Ư*\? ừ?sM sÊ?ôẩ? ?PK?qQ?Ơ?OKXSTWTK?Êý\? ề?ừÃ? !?Ê ể ? ỵƯ?wlK?ow? ề?ờ ? &K? 2?ể?ấ$Ê?Ư*\ ừ?s?ÔẩÊ?ậếÊ?ÔúM UM?sĂ?ƯếƯ?ậồ ? ờ?ậũ?Ư*\? ề ? ếK? \?ể ? ? ÃÊ? ầô? ừ?wa?GĂ? Ã6 H? ề?ôẩ? M sầ?Ưẫ? $?ƯếƯ?Ê ế? ?ấ&Ư? ấ'Ê?ậấ'ƯK? ừ?ề?Ô úô?ậ?ử? !?Ưồ?Ư*\? ừ?Ê ể ? ỵƯ?wa ậú?Ôừ ? Ãở? ũ?ô1Ư?6?Êý\?Ư*\? ừ?waM sĂ?ầÃ?ƯỗÃ?Ư*\? ề ? ế? \?ể ?Ô úô?ậ?Ưồ?Ê ể? gO?G ?Ơ?OH gP?G ?OH l ũ? ếƯ? ? ềY * j v ?Ơ?ằ ?Ơ Z ? ?] Ô ) Q Se( j sỵ? K? ? ế? & Ô Q jừ ? ÃởM VM?sĂ?ầÃ?ƯỗÃ? ề ? ế? \?ể ?Ô úô?ậ?Ưồ?Ê ể? gO?Glẩ? ?ỵ ? ừ?ậ,ÊH ?Glẩ? ?Ê!Ư?ậ,ÊH gP?Glẩ? ? ũÃ? ừ?ậ,ÊH ?Glẩ? ?ô$?"Ê?ậ,ÊH l ũ? ếƯ? ? ềY Gq Q q Q H N ô Z?Â?]  G ôK Ô H v ?Ơ?ằe?Ơ Q GP q H NG Ô H  ?Ơ Gq Q q Q H N « GOKXWQR OKXSTWTH N P ‹ ¥ ¥?QUKVVPQ Q GP q ‹ H NG ‹ Ô H GP OKXWQRH NGPV SH  G ôK ÔH Ơ PKPS O K OT Ơ?QSTKX G ôK Ô H  ??[  ?v M?bấ\?Ư?Ưẫ? $? ếƯ? ?gOM?jẩÊ?ầ?ậấ\? ầô? ừ?wa? ề?ôẩ? M WM?sĂ?Ê ể? ?Ư*\? ề ? ế? \?Ư?ôẩ? ? \ÃY wl ?Ơ O?J Pwa ?J?u gềô? ?à ?ôộÃY wl Ơ ?J wa ?GIH wl ¥ ˆ ?J ˆ wa wl Ơ LOKOPQVwa rĂ???????????????OKOOQRQ sĂ?ầÃ?ƯỗÃ? ề ? ế? \?ể ?Ô úô?ậ?Ưồ?Ê ể? gO?Glẩ? ?ô$?"Ê?ÔẩÊ?Ư ậ\?Ư"Ê? ÃừH ?Glẩ? ?GIH?ÔẩÊ?Ư?6?Êý\H ?G P?Ơ?OH gP?Glẩ? ?ô$?"Ê?Ư?ậ\?Ư"Ê? ÃừH ?Glẩ? ?GIH?Ư?6?Êý\H ?G P ≠?OH l ị‹? Õ¦? Ž? Ị * ˆ j Z?? ?] Ô v ?Ơ?ằ ?Ơ ) Q Se( j ˆ fl ?¥ lg * j Se( ˆ j ) ¥ OKOPQV OH ¥?QKWOWSS OKOOQRQ PS j ‹⁄? õ? ấ'Ê Ô PS O K OQT Ơ Q ?] Ô Q Ơ?QKPST ?v M?aếƯ? ?gOM?lẩ? ?ô$?"Ê?Ư? ử? ấ'Ê?ậ\?Ư"Ê? ÃừM LLLOLLL aề ?R b?Ôừ ?Ãể? ?à ? \Ã? & ?bm? Ị? ‹£?£ Õ? ‒ÿ? Ĩ‹? Ê'‹£?‹£Ị‹⁄?¦È‹£?‹£⁄ ưfiK?sk? Ị? Ê? ũ ấẫÊK? ũ?ƯẩÊ? Ê?ÊềK?uk? ề? Ê?Ư ?ÊÃầ? ầ? ? ửÃK?jg? ề? Ê?ÔờÃ?\?ôế ôƯK? ?ề?ấ$Ê?MMM? ấẫÊ?1Ê?PU?ÔÃ? 2Ư?Ô ? ừ?ÔếƯ?\Ã?G & ?ậẫ? ?ậũÃ? ề? ự?ậ"Ê umHM k? ề? Ê\ ?Ư*\?ƯếƯ? ừ? ấẫÊ?1ÊM?b?ô1Ư?6?Êý\? ề?TD zP|?n \? Ă\ ? Ã\Ă ?¡ «\ ›‹ c¡fi¡‹ ¡‹ ? \‒ \ ¡? ?kbm PU? Ă \ ?Ã Ă ?Â?Ă ô\ ?Âô?P? ?PU IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII qĂÊĂ bĂ Ư Ă r \ \ ?Ă sLq\ › zo‒› | h‹fi PMSSRSR MRPPVP zMOPW| ksk MQRWWX MOXSXSP QMTPUQ kuk MTXTPQS PMSTUS zMOOW| kjg MRWWSU MOWWUWW zMOOO| IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII qL fl·\‒¡ MXXVXO eL \ ¦?eGQKPSH qL \‒L fl·\‒¡ MXXVRW rMd?Â?qĂÊĂ MOSSOS qĂ Ã\ ?rÃô?Â?rÃ\Ă MOQPTVW lĂ\?Â?cĂĂ Ă ?u\‒ \ ¡ TMRRXQ rMc?›¢?c¡fi¡‹ ¡‹ ?u\‒ \ ¡ MWQVXQ l\ ôÃô?Â?kÊL ÔĂ ROMPUUT cvL \ Ư PMTRSS IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII `M?rĂ \ ?bĂ \ b L GPH?Ơ?MOXTTVO?zMVTV| eGPKPPH?Ơ?MOUUOXX??zMWOQ| aM?eÃƯ ?eô b L GPH?Ơ?QMRSQR???zMPQU| eGPKPPH?Ơ?PMWWUT????zMPXV| bM?mô\ b L GQH?Ơ?MVOTRU???zMVOR| m› ?\fifi ¦\ ¡ cM?g¡ ¡‒› ¡ \ ¦ „ b L GPH?Ơ?RMXQVQ???zMORS| eGPKPSH?Ơ?SMSPUQ????zMORR| PM?u ?ềô? ?à ?ôộÃ? & ?ƯếƯ? ừ?bmK?skK?ukK?jg? ề?Ư? ?6?Êý\?Ư*\?ƯếƯ?Ôừ ?Ãể ở?ậấ'ƯM QM?gềô? ?à ?Ư?ậấ'Ư?Ư ? ề?(?'?ÔẩÊM RM? bếƯ? ừÃ? !? ÔếƯ? ÔẩÊ? ậ K? ừÃ? Ư ? Ư? ÊÃầ? ầ? ? ửÃ? Ê? PD? ? ? Ê? ể ấ'Ê?ậỗÃ?\? Ê? ! ? úÃ? ề? \? ầÃ^ SM?aÊ?ấ&Ư? ấ'Ê?ậ úôK?ừÃ? ể? ấ'Ê?ậỗÃ?\? Ê?ậấ'Ư?POD? ? ?Ưể?ƯếƯ?ừÃ? !?ậỗÃ? ề? ầ ¦(‹£? Ä‹£? Ç‹? Ị? \›?‹⁄ Ç·?D?G Ä‹£?Ëž‹£? ⁄# K?¦(‹£? ù? ửHM TM?mừÃ?ƯếƯ?ừÃ? !?ÔếƯ?ÔẩÊ?ậ K?Ư? ú? ? !Ư?ậ"?Ê \? Ê? Ê?Ê ế? ? ể? ấ'Ê?Êề?ƯẩÊ Ê ử? Ê? Ê?ô" ?/\? !Ư?ậ"?Ê \? Ê?ÔờÃ?\?ậấ'Ư?ÔẩÊ^ UM?j úô?ậ?cv? ề?ƯếƯ?Ô úô?ậ?b L Ã\ĂK?e? Ê?ô-Ư?`?Ư?ôÃ? Ãộ? & ?\Ã?ÔẩÊ^ jừ ? Ãở?ấ? ừ?ề? ũ?ÔÃừ ? ? ấẫÊ?1ÊM VM?g ?à ?ôẩ? ? Ã?ậấ'Ư?ỗ? ấ?ĂM?g ?à ?ôẩ? ? \ÃY ?Ă ?Ơ?MQRR?J?MXQTQ?kuk ?J?u rĂ???????MSXP????MPTQ gễ?Ư? ?ôẩ? ? ầ? (Ê?ậú? ềô?Ê K? 2\? ầ?Ê ể? ?ềK?Ôừ ? Ãở?Ê ? ũ?ôẩ? ? \ ậỗÃ^ WM?sÊ? !?PU?ÔÃ? 2Ư?Ô ? ừ? ầ?Ư?ƯếƯ?ÔÃ? 2Ư?Ư? !?ậỗÃ? ấ?ấ&Ư?Êề M?b?6?Ô ừ?Ư Ê?ậ! ? & ?ƯếƯ?ÔÃ? 2Ư?ề?ể?ấ$Ê?Ư*\? ũ?ƯẩÊ?? & ?Ê ế? ? ể? ấ'Ê? &?ẫ? ? & ?ƯếƯ ÔÃ? 2Ư?ÔếƯM?gễ?ậũ?Ãờ ?ô" ?ôẩ? ? ề?ƯếƯ?? ỵƯ?ậú?Ư? ú?ở? ?6?Ô ừ?ềM lẩ? ? ?à Y bm?Ơ?Ă OMsk PMuk QMjg RM¡· ‹bm?¥ O??J P ‹sk?J Q ‹uk?J R ‹jg lg PT j ‹⁄? õ? Ê'‹£ gỊ«?⁄ž ?fl· ?«é·Y CN ?¥ e TL VL KH e u t ln CN ¥ ˆ J ˆ skJ uk?J jg PM?6?Êý\?Ư*\?ôẩ? Y L?uũ?ôồ ?Ô ? ừY ?]?O?Ô ? ũ? ấẫÊ? Ê? ?Ê ế? ? ể? ấ'Ê?Êề?ƯẩÊ?Ê ử? ÊM ?]?O?Ô ¦⁄ ?‹£·„Ç‹? ë ? ư·? Ä‹£? ⁄ ?£ Õ? ‒ÿ? ể? ấ'Ê?Êề?ƯẩÊ?Ê ử? ÊM ?]?O?Ô ?ÔờÃ?\?ôế?ôƯ? ? ÿ? Ä‹£? ⁄ ?£ Õ? ‒ÿ? Ĩ‹? Ê'‹£?‹£Ị‹⁄?¦È‹£?‹£⁄ ưfi? ÊM L?uũ?ôồ ? !Ê?ÔầY ? Ê?P?ậẫ? ? ?£ Õ? ‒ÿ? Ĩ‹? Ê'‹£?‹£Ị‹⁄?¦È‹£?‹£⁄ ưfi? Ä‹£?OKQRWWX?ËÉ‹? ÿM ˆ ? Ä‹£?P?ËÉ‹? ÿ? ⁄ ?£ Õ? ‒ÿ? Ĩ‹? Ê'‹£?‹£Ị‹⁄?¦È‹£?‹£⁄ ưfi? Ä‹£?OKTXTPQS?ËÉ‹? ÿM ˆ ? Ä‹£?P?ËÉ‹? ÿ? ⁄ ?£ Õ? ‒ÿ? Ĩ‹? Ê'‹£?‹£Ị‹⁄?¦È‹£?‹£⁄ ưfi? Ä‹£?OKRWWSU?ËÉ‹? ÿM lÈ?⁄ ‹⁄?Ê&¦? Ê'‹£?fi⁄(?⁄'fi? & ? ỵ? Ãừ ? ề? 2Ư? ừM QM?sĂ?ầÃ?ƯỗÃ? ề ? ế? \?ể ?Ô úô?ậ?Ưồ?Ê ể? Y gOY?GqQ?Ơ?OH gPY?GqQ ?OH l ị‹? Õ¦? Ž? ỊY R /(k 1) K?Â?] f ( k 1,n k ) v ?Ơ?ằÂ?Ơ (1 R ) /(n k )  ?Ơ f (k R /(k 1) 0,99790 /( 1) ¥ ¥ OKRUQW (1 R ) /(n k ) (1 0,99790) /(16 4) 1, n k ) ,13 ¥ f 0(,305 ) Ơ?RKPW  ?[ f ( k 1,n k ) ?v M?bấ\?Ư?Ưẫ? $? ếƯ? ?gOM sÊ?ôẩ? ? ầK?ƯếƯ? ừ?Ê ể ? ỵƯ?Ãừ ?ậ?XXKVXD? 2? ừ?ậ"Ê?Ư*\?Ê ế? ? ể? ấ'Ê ¦È‹£? ‹£⁄ öfiK? ¦Š‹? OKQPD? 2? õ‹? Ë"‹£? ¦*\? £ Õ? ‒ÿ? Ĩ‹? Ê'‹£? ¦È‹£? ‹£⁄ ưfi? Ị? ›? \ ? !? Êộà ầ? ề?ƯếƯ?ừÃ? !?ÔếƯ?Ưấ\?ậấ\? ề?ôẩ? M jừ ? ÃởY?lẩ? ? ầ?Ư?6?Êý\M RM?sĂ?ầÃ?ƯỗÃ? ề ? ế? \?ể ? ô?ÔểÊ? ?Ưở? ! ? ừÃ? & ?ậ"? ?Ưở?GPL H?Ơ?OKXT?Ư \ô? ! RM?jểÊ? ?Ưở?ậ? ềY ?] j L ¤ Mr¡G ˆ j H ‹ ¤ ¥ t 1205 ?¥?PKVWQ 0, ˆ fl ?¥ * j Se( ˆ j ) ¥ 0,595124 ¥?PKSTUS Se( ˆ ) ?r¡G ˆ j H?Ơ?OKSOWUR j ?]?OKTXTPQS L?PKVTR??OKSOWURH?Ơ LOKPQPQ jừ ? ÃởY?ừÃ?ÊÃầ? ? ư·? Ä‹£?PD? ⁄ ?£ Õ? ‒ÿ? Ĩ‹? Ê'‹£?¦È‹£?‹£⁄ ưfi? Ê?ỵ ?ờ ? ề?ÔẩÊ ậ M SM?sĂ?ầÃ?ƯỗÃ? ề ? ế? \?ể ? ô? ự? ử? Ê? ầô?ậÊ? # ?Ư*\?ƯếƯ?ừÃ? !?ậỗÃ? Ị›?Ëó? Ĩ‹ Ê'‹£? Ä‹£?ËÊ'¦?PODM?s\?¦š?fi⁄ÊÉ‹£?? ‒ ‹⁄? \·Y G ˆ ?J ˆ ?J ˆ HM?‚?¥?PO GOKQRWWX?J?OKTXTPQS?J?OKRWWSUH?M?‚?¥?PO ‚?¥?WKPW jõ ? ÃởY?mừÃ? ể? ấ'Ê?ậỗÃ?\? Ê?POD? ? ?Ưể?ƯếƯ?ừÃ? !?ậỗÃ? ề? ầ?Ư(Ê? Ê?WKPWDM TM?sĂ?ầÃ?Ưỗà ề ? ế? \?ể ?Ô úô?ậ?Ê Ó? ⁄ õ Y lg PU j ‹⁄? õ? Ê'‹£ gO?G S?Ơ?OKTH gP?G S ?OKTH l ũ? ếƯ? ? ềY * ˆ j v ?¥?» ?¥ Z ? ?] Se( j ) ?Ơ Ô Q * j Se( j ) Ơ Ô Q 0,38846 0,5 ¥ LPKQTVV 0,088688 ¥ t 12025 ?¥?QKPVX 0, ‹ ¤ ? fl ?[ ?v M?b⁄Ê\?¦š?¦É? $? Õ¦? Ž?gOM Q jõ ? ·ë‹Y?bš? ⁄ó?‹š ? !¦?Ë"?£ \? Ä‹£? ‹£?£ Õ? ? ể? ấ'Ê?Êề?ƯẩÊ?Ê ử? Ê? Ê?ô" /\? !Ư?ậ"?Ê \? Ê?ÔờÃ?\M UM?sĂ?ầÃ?ƯỗÃ? ề ? ế? \?ể ?Ô úô?ậ?Ưồ?Ê ể? Y gO?Glẩ? ?Ê!Ư?ÔẩÊ?Ư? ử? ấ'Ê? 2? ấẫÊ?Ã\H gP?Glẩ? ?Ê!Ư?Ư? ử? Ê'‹£? 2? ÊÉ‹£?fl·\‹H l ị‹? Õ¦? Ž? ỊY v ?Ơ?ằ Q?Ơ?GLPHM R * K Q ] (1) ồƯ (RSS** RSS* ) / v ?Ơ?ằÂƠ K?Â?] f (1,n k 1) RSS* /(n k 1) L?s ầÃ?ƯÃố QY?oL \ ÃĂ?Ơ?OKVTV?] ?Ơ?OKOTM?bấ\?Ư?Ưẫ? $? ếƯ? ?gOM L?s ầÃ?ƯÃố?eY?oL \ ÃĂ?Ơ?OKWOQ?] ?Ơ?OKOTM?bấ\?Ư?Ưẫ? $? ếƯ? ?gOM L?s ầÃ?ƯÃố?cv jừ ? ÃởY VM?lẩ? ? ?à ? Ã?ậấ'Ư? ề?ôẩ? ?f Ă ĂK? /? -Ê?ậú?Ô úô?ậ?ô-Ư?cM sĂ?ầÃ?ƯỗÃ? ề ? ế? \?ể ?Ô úô?ậ?Ưồ?Ê ể? Y gOY?Glẩ? ?Ê!Ư?Ư? ?ÔẩÊ?ậ H ?Glẩ? ?f?ÔẩÊ?Ư?6?Êý\H ?G P?l?f?Ơ?OH gPY?Glẩ? ‹⁄?£!¦?¦š?fi ? ⁄\„?Ë H ?GlÈ?⁄ ‹⁄?f?¦š?6?‹£⁄ý\H ?G P?l⁄?f ?OH l ũ? ếƯ? ? ềY * j v ?Ơ?ằ ?Ơ Z ? ?] Ô ) Q Se( j ?Ơ Ô Q * j Se( j ) ¥ 0,9252 ¥?UKOWV 0,152 ¥ t 12025 ?Ơ?QKPVX 0, ? ?] Ô Q ?v M?aếƯ? Ž?gOM jõ ? ·ë‹Y?lÈ?⁄ ‹⁄?£!¦?¦š?fi⁄ÊÉ‹£? \ ? \ ? !? ⁄\„?Ë M WM?a ? ·‹£? Ị›?«È?⁄ ‹⁄? õ‹? õ‹?£ Ĩ?GËÿ‹⁄? ỵH c?Ơ?O?jÃ? 2Ư?ÔẩÊ?Ư? !?ậỗÃ? ấ?ấ&Ư?Êề M c?Ơ?P?jÃ? 2Ư?Ư? !?ậỗÃ? ấ?ấ&Ư?Êề M s ừ?ề?Ô úô?ậ?6?Êý\?ử? !?Ưồ?Ư*\? ừ?c? Ă? ? 2?ƯếƯ? ấ&Ư? ề?, ?\?Ôừ ? ÃởM LLLOLLL lg PV j ? õ? Ê'‹£ ?S b⁄› ?¥?TDM u& ? !? ư·? ũ? ấ'Ê?ềÊ? ế?ậấ'Ư?xK?Ê ế?ềÊ?o? ề?Ư ?ỵ?ÃểÊ?Ưế?`c? Ê \ ?ôấẫ ? Ãỗ?Ư*\?ô" ?ƯẩÊ? K?s? ề? ừ? # ?Ê \?GsƠP?$? Ãỗ?ậỗÃ?Ã\? ế HM mÊấ# ? \?ấ&Ư ấ'Ê?ôẩ? ? \ÃY zP|?n \? Ă\ ? fl·\‒¡ ?¡ «\ ›‹ c¡fi¡‹ ¡‹ ? \‒ \ Ă? ?x PX? Ă \ ?Ã Ă ?Â?Ă ô\ ?Âô?Q? ?QO IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII qĂÊĂ bĂ Ư Ă r \ \‒ ?¡‒‒›‒ sLq\ › zo‒› | h‹fi WXSMUSSV PXUMQVUV SMTTWP zMOOO| s PPMURSP RMXUPX QMXRUT zMOPO| o LPUVMRUPQ RTMURUW LSMUXUR zMOOO| `cGLPH WPMTSXS PWMSRQO SMSQSR zMOOO| IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII \M?u õ ?«È?⁄ ? ?à ? Ê? ú? ề?ấ&Ư? ấ'Ê? ?à ?ôộÃ? ấẫÊ?1Ê? & ? ế?Ưế? ầM M?gử? !? ?à ? ầÊ?1Ê? & ? ừ?s?Ư?6?Êý\?Ê ^?mừÃ?Ê ế?Ưể? ề?Ư ?ỵ?ÃểÊ?Ưế?ÔẩÊ ậ ? Ă? # ? £ \‹? ⁄ ? Ê'‹£? ⁄Ị‹£? ⁄š\? Õ‹? ËÊ'¦? Ãỗ? JP? ũÃ? ẫ? Ãỗ? ? ! ? úÃ? ề? \ ầÃ^ ƯM?mÊấ# ? \?ậễ? ừ?ề?ô" ? ?à ?ÔếƯ? Ê?ƯếƯ? \?`cGLPH? $ ?`c? ề?ở?ậấ'Ư?ấ&Ư ấ'Ê?Ư*\?ử? !? ừ?`c? ề?ô" ? ! ôM?b? ú?Ê ể ? ỵƯ?Ê ? ũ?Ôừ ?Ãể?ềM M?&Ư? ấ'Ê?o? Ă?s?Ư?ử? !?ƯồÊ?Êấ# ? \?Ư?qQ?Ơ?MUQPSM?&Ư? ấ'Ê?ề?Ư?ô-Ư?ậỵƯ?Ê ^ b?ầ? ?ậ ?ô" ? Ê?\ ? ừ?o?ồƯ?s? Ê?ôẩ? ? ầ?\?ÔẩÊ^ l" ?ôẩ? ?ÔếƯ?ậấ'Ư?ấ&Ư? ấ'Ê?ấ? \ÃY?G`cQ? ề? ?ấẫÊ?Ư*\?`cH zQ|?n \? Ă\ ? fl·\‒¡ ?¡ «\ ›‹ c¡fi¡‹ ¡‹ ? \‒ \ ¡? ?x PX? Ă \ ?Ã Ă ?Â?Ă ô\ ?Âô?Q? ?QO IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII qĂÊĂ bĂ Ư Ă r \ \ ?¡‒‒›‒ sLq\ › zo‒› | h‹fi WUVMXUVV QQXMOUOX RMVWXQ zMOOQ| o LQQOMXRUR TOMOSWW LSMSPSS zMOOP| `cGLPH RSTMSSPU PSPMPSOS QMSSVT zMOQV| `cQGLPH LRTMUUVP PVMOPPU IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII qL fl·\‒¡ MUSSOQ eL \ ¦?eGRKPTH XMSTPW zMOOP| cvL \ ¦ PMWPWP IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII c \£‹› ¦? ¡ `M?r¡‒ \ ?b›‒‒¡ \ ›‹ b⁄ L flGPH?¥?MQUPQO?zMUOX| eGPKPSH?¥?MPXTPS???zMUUT| aM?eÃƯ ?eô b L GPH?Ơ?PMPTXR?zMQWQ| eGPKPSH?Ơ?MXOXVS???zMRTU| bM?mô\ b L GQH?Ơ?MUPOPV?zMVRV| m ?\ Ư\ Ă cM?gĂ Ă Ă \ Ư b L GPH?Ơ?MTUVUP?zMSTP| eGPKPVH?Ơ?MTQRTO???zMSVX| PM?lẩ? ?ề?Ư? ú?Ườ?ở?ậấ'Ư? ũ?ôồ ? !Ê?Ôầ? ề?Ô ? ừ?\?ÔẩÊ^?f ể ? ỵƯ? ĩ ĩM QM?oể ?ƯÊ? ửÃ? Ãờ ?Ư*\?Ư ?ỵ?ÃểÊ?Ưế?ậ! ? & ? ấ'Ê?ềÊ? ế?\?Ê ểô? ỗ^ RM?sĂ?ấ&Ư? ấ'Ê?Ư*\?ôẩ? ?ềK?Ư? ú? ế? ầô? ! ?ậ\? \? ầÃ?ềÊ?ừÃ? Ãỗ? ?Ê ểô?Ê ế P?ậẫ? M Gq ầÊ? ề ?ề?Ư.\? ệ Ưế Ưẫ K ÔẩÊ?ôỗ?Ư ?ừ HM kấÃ?6Y j úô?ậ?ƯếƯ? ?Ư*\?ôẩ? ?GÔ úô?ậ?ƯếƯ?ô-Ư?` L? 2? ấẫÊ?Ã\Z?aL? ệÊ?ôẩ? Z?b L ỵ?ƯÃố?Ư*\?ôẩ? Z?c L?ấẫÊ? \ ? \ ? !Z?ậ\?Ư"Ê? ÃừH? ầ?Ưẫ? $? ?à ?ỗ? ấ?Ư*\ ôẩ? ?Ê!Ư? ?ể ?ở? ?ậấ'Ư?ềô?o\Ô?ồƯ?f Ă Ă?\?v Ă?ậú?Ô úô?ậ?ô-Ư?cZ Ư? 2?-? Ã"Ư? Ãừ? ỵ?Ư*\?ƯếƯ? ừ?Ê ể ? ỵƯ?\?ÔẩÊ?ậú?Ô úô?ậ?ậ\?Ư"Ê? ÃừMMM bếƯ?ấẫÊ?ế? /\? ?Ư*\?ôẩ? ‹⁄M lg PW