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Decision Trees: Random Forest & Boosting Lecture Notes

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CECISION TREES
- Savega atto Gabelv X NEMOTONOUvZ GEGOAriMaza 2000
zobanya Mia gatteja
Gaga
:
Sesoeviv ottus
GUVAAAJES TOU TIGAGUACOTTONOUVEG MOU QUES SE
o
o
regression
X govos Kan zo Maricos
ATTAZES
KAN
EXKUGES
han
Geda
classification
va
Kaza
.
jognotorisa nacle ovies
.
Iken MitopormentGagazotonvas quia Gaga atto Equities va Kara ZouMe se Eva Gutt aguaXca Me
:
zov
Xapaktriga zns Guvaajrs . H SnaSukagia auth a Exe en Souri Savigou
root node .
.
SnaSri :
pija Sevepor
#060 ;
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wea Snazawan's Gurasagris
Guraaswiv
US ZETEUZAIES MEGES
< 3
23 : 00 07 : 00
ATTCIn
Carrioroyo serigo una regression
subtree. Untosevigo
Quoragaka Eva Sevapo atto gags Sta Eva guvodo Seein
se
.
Kazaarizona
:
EjkUpM
ATTCIn
leaf node puto sevegou
[ Kotios Na
07 : 01-22 : 59
-
23
EjkUpM
decision node . Kopbos attopans
25000E
se
oso
zo
AutoEntacuoyavaca pou Marquiv ottus
surazor tro
to
Gini
Mpozea unoguvoxa
oojerri ouvoxa
impurity /adjogos
.
.
CARTI
a
n vegotia entro
/ExaxIGCOTTONE MSE SE TEparciss regression) ( + search threshold
O Erotios as car ser Laboure la Kazazanda Mezza Enseyeca va ongroa de overfitting
.
Regularization
ea
ID3
Xenomontontigouque
.
Tasavega atto paselv etgajoveal atto
Ettions Mukpes anbajas
.
MOVIEJA
. Aza
gy labjorepos
ATTO GAGEWV
sea
sesouira
ni
en
poppri zur Sesoever agapajuazotonoue kaawon scaling
gas
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untepriapamezpous enseyecar
va
osyrigour
de
.
toyu sa popelika
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XPhorottOnli Tobia Sevapa attopagelV Kal
Sjajl Eval Egoropo
GANDOM FOREST
Ikepa Entirejoure untoGuvora euv sesoerwr Ka Kazagieuajoule Me aura
:
· or
opo
eur
seveuv Igna regressionl n xpnomotonous ungogogia
.
lus
input Seria atto pagewv
Voting la classification)
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YHOXOjijouue
ov
pe
.
BOOSTING
Eiva Mia Melososou
ourSuaje Kakas Morena se Gaga nou Mabaivour
& 1kGokutTZE Eva a MOVERO
Xpnoottonouvzal Ada Boost
Kau
.
Gradient
Boosting
.
lo
kabava atto la d onou
tiponjo gevou Te
.
TUNING
On Untegnagapezgon
ons
zov
Tuning
va
isno
kan
circu Mia
Jaggaxisoune
hyperparameters divan Eva Guvodo Macabana
oxe 20 Morexo. Auris
Ta
Inv
am
prajour
to
training
zou
Suvazri ettison
zou
Mortdou
.
ago zour
zon
asjogo nxavris lon
portou .
Galakri SiaSusagia MESW InS OTTOAS GGisHOUME
Kanuzen
nou
S
LEAGES MES
Zu
UNEGAGAN gra
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