T ¡ecnicas de Sele!c#ao de Caracter¡isticas com Aplica!c#oes em ...

¡ £ & £ ¦¥ % £
¤ J H I FS, AGD /J "(A M /J " Ä "/A $ AO7
R
¨¡ W¨H¡ ¤ 1 A£¢B¡¤2¨¡¤ £¢ ¤¥¤§¦ ¨ ¨¡¡¤
A K MQD K>I " A+"NA $ AO7
/O&A , J H I F
IJ K:9
H IK' A>H# Q " D KI " A I FLA $ * J H DTFLA>M)"/D J M I$ D I A>O " /1& I H J
KI
A#" &IQI "" 9
IJ I ""/A2$'&QDTM A#"¢¡
IJ1QJ "¢¡ HNDTFLA>D¡H J " KGJ A©D K D¡A>M A'""Q /1&QA
K>9
£ & D $ D@4 I 7
A I I J H I $SA>F F I DH" K>J F!&F A>F "/A
H I&I M QJ6 A K>J A2D K DTA>M A#" A ¤ J &QH/D¡A>H AGF - D-" 9
IJ X O G)OHM¥ K:9
I J KGJ F & &IK D J M I$ - D A/"/AO7
& D $ D@4 I 7 K>9 IJQJ "£¡ £
F I D J H/A'" K>J A2D K DTAGM A#"
F A CJ9QJ " A"NA $ AO7 K:9 IJ*F ¤ F¥¤
£
- D A/"/AO7 K:9 IJ X O X ¥
F A CJ9QJ " A"NA $ AO7 IJ F ¤ F¦¤ - D A/"NA7 IJ X O X O
£
K:9
K>9
F." F
A /JIQJ " I & /J F
CJ9QJ " A 'G&)" KI(F A2/¢0 &A>M K D I$ ¤ $ & & I M A A
A
I D KGJ " F ¤ F¦¤ A F ¤ F¦¤ ¤
I " - AGH" 9 J A#" I)CI D -I " G, J H I F A#" K>J$ *QD " J* J D-"9Q I
"I&
A6M QA#""NA#" AGH I F D¡M D KIQJ " KGJ F J J "
F A $ * J HNA#" I$ $ J HND F J " A+&0" KINQI H I "/A $ AO7
A KI H IK' A>H# Q " D K>I - D A/"NA7 I J X O X O
IJ(
K:9
K:9
I "NA AOD¡F I $SA>M0" & D $ D@4 IQI5KGJ M
M ¨§ I H 9 J A'" AT, I K A#" A4M ©§ I H 9 J A#" AOM 9
AGF
IJ>= , I K A#"
I H I A2, A & I H J H/AGDTM I FLA>M /J OB( I H IOI H/A I$ D@4 I 7 IJ J " A#" A#" A K'$ I ""/D@D KI 7 IJ QO*
K>9
K>9
I J & H J " ¦:X IA=
H 9 J A'" J H K#$ I """NAO J F D-"" J Q I " & I " K#$ I ""/A'"" 9 IJ "I&D K D¡A>M AGF AGM A. A>F
H/A H/A'"/A>M CI I "9Q &I M CJ
K:9
IJOI & CJ F K>9
I D KI5 A KIA=
I H I. H/A>D¡M I FLA>M CJ /1& I M QJ; I H I. A#" A#"9O;( J H D-"" J Q§M I HNA I$ D54 I 7 IJ/ A¦"/A $ A7
H IK A>H#
" D K>I " F ¤ F¦¤ A F ¤ F¦¤ LQ JI A = "NA & D $ D@4 I H J " H/A#"N& $HCIQJ " A K'$ I ""/D@D KI 7 IJ K>J F J , &QM£7
Q
K>9
I J K:9
AGH/D JQI "NA $ AO7
K:9
IJ X O X O X O ( I H ILJ " F
K>9
A /JIQJ " I I)CI D -SJ "9QJ, J>=
K H/D
A KI H IK A>H# Q " D K>I " - D A"/A7
IJ(
H I F
D $ D54 IQJ " J " I H P I F A H J "¡8GA M1Q="NA>M QJ ¡ I/ D¡F AGM0"/D J M I$ D I A A#"/A I I O
&
F I F J " J " F A CJ9QJ " I & CJ F
R
A2$SD I ¡"/A¡
.G
I D KGJ ""Q¡, J D IQJCI I¥I "/A2$'&QDTM AEA#" H I
, I 7
KII J&0" K>I+ I H I , HNA>M A F ¤ ¤ F J & F ¤ ¤ F ¥ "/AGM 9
I " F ¤ ' F
, I 7 K>I¥I +&0" KI I H I8 H0
IJ
J &
¤ ' F LO F
I H I A©, A & I H I "/A $ A7
(
I D K>I* A KI H IK A>H#
IJI & CJ F K>9
Q " D K>I ""Q J " H JK A DTFLA>M CJ " A6+&0" K>I A2, A =
&QFLA>H J F!&QD CJ $SH I M A A I.- I$ D I 7
K:9
Q " D KI " - D A
& I F &QF M¨
J A'" QJ ""N&0 = KGJ MN&QM /J " A KI H IK' A>H#
"/A7
A D¡F J H CI M A /1&QA I , &QM£7
IJ X O X O ( J H(DH"" J Q
I JOK HND
K>9
K:9
J M 9 IJ©K>J M)"I&QF I F!&D CJ. A>F J; ABA < A =
A>H/D
K &£7
" K#$TI ""ND@D K>IQJ HNA#" F I DH" H0 I D J "
QJ
M K D IEIJ* H J J D J A"NA7
I
A J4 A F+
IJ O/¢BF
K>9
Q MQD¡F I DH" AP
I J K:9
G O Q J H D-"" J A>F H/A2$ I F J " A#""/A K#$TI ""ND@D K>IQJ H M JLK I$TK & $TJ I , &QM£7 IJ5K H/D AGH/D J O
G)O
K>9
H I.- A#" QI D$'&QH I O § Q JI A>F J " J )"/A>H - I H J " HNA#"N& $HCIQJ " J D QJ ""O R3"" I D$'&H I F J " H IEJ HNA =
"I& $ &IQJQI , &M£7
A>HND J H J J H K D J M IQJ A $TJ "I&0 = K>J M N&QM CJ( A KI H IK' A>H#
IJ K H/D K:9
Q " D K>I "/A $ A K D J M IQJ O
I H/D I " DTFLA>M0"ND J M I$ D I A'"!¡
-
IJ K>J F K:9
A>M HNA X A X )OBR""/A'"
$HCIQJ " K>J F H J- I F I "I& AGH/D J H/D QI A J " F A CJ9QJ " A "NA $ AO7
H/A#"N&
IJ/ A KI H IK' A>H#
K:9
Q " D KI Q HNDTM K D I$ =
F AGM A J F ¤ F¦¤ O
AGH/A#"" I M A©M J&I H &I F: A>F /1&QA J " F A $ * J HNA#" HNA#"N& $HCIQJ " , J H I F J D QJ "
DTM
& D $ D54 I M QJN DTFLA>M)"/D J M I$ D I A FLA>M J H /1&QANG O K"" J¥KGJ MJD HNF IEJ , I/J4 A /1&QA &QF
I &QFLA>M CJ M J
&QF AGH J A K>I H IK AGH¤
M.
" D KI " M 9 I J $ I H I M AFLA $ * J H I M JN A#"/AGF A>MJ* JNJ K'$ I ""/D@D KIQJ H"O
Q
J, D J H KI " J Q I F I D J H D@, AGH/AGM£7 KI AGM H/A J H/A'"I& $ &IJ " A F ¤ F¥¤ A F ¤ F¥¤ , J D A 7Q X O
L
$ A -J &*G"NA%$'&QM QJ ""Q
I ""QA>F A>HNF J " A A>F J ABA < A K &£7 K:9 I J Q*M J D J H KI " J Q JOI$ $ J HND F J.F ¤ F¦¤
¤