Andrew Rosenberg- Lecture 23: Clustering Evaluation
of 24
Transcript of Andrew Rosenberg- Lecture 23: Clustering Evaluation
-
8/3/2019 Andrew Rosenberg- Lecture 23: Clustering Evaluation
1/24
Difsyqi16?FdyvsiqknbIxgdyg3ln
Guqkd1;$1575
-
8/3/2019 Andrew Rosenberg- Lecture 23: Clustering Evaluation
2/24
Slcg{
FdyvsiqIxgdyg3lnKnsiqngd
Riclnsjnlrgn{smknbgalyssmicivkqicdgaidv
I}siqngdRimgxivl`iknhlq`g3lngalyssmidgaidv
-
8/3/2019 Andrew Rosenberg- Lecture 23: Clustering Evaluation
3/24
KnsiqngdIxgdyg3ln
Fdyvsiqvmgxiaiinkcin3ic. Mlrvyffivvhydgugq33lnknblhsmicgsgvisrgvflnvsqyfsicsmqlybmfdyvsiqknb
-
8/3/2019 Andrew Rosenberg- Lecture 23: Clustering Evaluation
4/24
Knsiqfdyvsiqxgqkgakdks{
Mlrhgqkvgulknshql`ksvfdyvsiqfinsqlkc
Knsyk3ln?ixiq{ulknsgvvkbnicslgfdyvsiqvmlydcaifdlviqslsmifinsiqlhsmgsfdyvsiqsmgngn{lsmiqfdyvsiq
J-`ignvlu3`kzivsmkv`igvyqi.
O
-}
t
+ 0
7
Nk tt
}k fktt
1
-
8/3/2019 Andrew Rosenberg- Lecture 23: Clustering Evaluation
5/24
-
8/3/2019 Andrew Rosenberg- Lecture 23: Clustering Evaluation
6/24
Ulknsvk`kdgqks{xv.Fdyvsiqvk`kdgqks{
Knsyk3ln?srlulknsvsmgsgqivk`kdgqvmlydcaiknsmivg`ifdyvsiq
VuifsqgdFdyvsiqknblu3`kzivsmkvhynf3ln.
7
1ko
vk`-}k$ }o+-fk fo+1
-
8/3/2019 Andrew Rosenberg- Lecture 23: Clustering Evaluation
7/24
KnsiqngdFdyvsiq@igvyqiv
Rmkfmfdyvsiq`igvyqikvaivs
-
8/3/2019 Andrew Rosenberg- Lecture 23: Clustering Evaluation
8/24
I}siqngdFdyvsiqIxgdyg3ln
Kh{lymgxigdkdiakslhdgaidiccgsg$ynvyuiqxkvicfdyvsiqknb+sifmnkwyivfgnai
ixgdygsicyvknbsmkvjnlrdicbi.
Gvvy`ihlqgvyavislhsmicgsgulknsv${lymgxifdgvvdgaidv.
Mlrfgnriixgdygsismivyffivvlhsmifdyvsiqknb
-
8/3/2019 Andrew Rosenberg- Lecture 23: Clustering Evaluation
9/24
I}siqngdFdyvsiqIxgdyg3ln
FgnsriyviGffyqgf{
-
8/3/2019 Andrew Rosenberg- Lecture 23: Clustering Evaluation
10/24
Vl`iuqknfkudiv.
Ml`lbiniks{Igfmfdyvsiqvmlydcknfdyci`i`aiqvlhgvhirfdgvvivgvulvvkadi
Fl`udisinivvIgfmfdgvvvmlydcaiqiuqivinsickngvhirfdyvsiqvgvulvvkadi.
-
8/3/2019 Andrew Rosenberg- Lecture 23: Clustering Evaluation
11/24
Vl`iguuqlgfmiv
Uyqks{
H-`igvyqiFdyvsiqcink3lnvlhUqifkvklngncQifgddFl`aknicyvknbmgq`lnkf`igngvknsqgck3lngd
h-`igvyqi
Uyqks{ 0j
q07
7
n`g}
k
-nkq+ulknsvlhfdgvv
kknfdyvsiqq
Q-fk$ jo+ 0nko
tfkt
U-fk$ jo+ 0nko
tjo t
-
8/3/2019 Andrew Rosenberg- Lecture 23: Clustering Evaluation
12/24
Smiuqladi`lh`gsfmknb
H-`igvyqi?5.8 H-`igvyqi?5.8
-
8/3/2019 Andrew Rosenberg- Lecture 23: Clustering Evaluation
13/24
Smiuqladi`lh`gsfmknb
H-`igvyqi?5.9 H-`igvyqi?5.9
-
8/3/2019 Andrew Rosenberg- Lecture 23: Clustering Evaluation
14/24
X-@igvyqi
Flnck3lngdInsqlu{agvic`igvyqisli}udkfksd{fgdfydgsiml`lbiniks{gnc
fl`udisinivv.
m 07 khM-F$J+ 0 5
7
M-FtJ+
M-F+ idvi
f 07 khM-J$F+ 0 5
7 M-JtF+M-J+ idvi
X 0-7 * + m f
- m+ * f
-
8/3/2019 Andrew Rosenberg- Lecture 23: Clustering Evaluation
15/24
Fln3nbinf{@gsqk}
Rgnssljnlrmlr`yfmsmiknsqlcyf3lnlhfdyvsiqvkvk`uqlxknbsmiknhlq`g3lngalyssmifdgvvckvsqkay3ln.
6 7 3
7 1 7 3
7 7 1 3
7 6 3
3 3 3 3
-
8/3/2019 Andrew Rosenberg- Lecture 23: Clustering Evaluation
16/24
Insqlu{
Insqlu{fgdfydgsivsmig`lynslhknhlq`g3lnkngckvsqkay3ln.
Rkcickvsqkay3lnvmgxigdlslhknhlq`g3ln Ngqqlrckvsqkay3lnvmgxixiq{dkdi AgviclnVmgnnlnvdk`kslhsminy`aiqlhaksvqiwykqicslsqgnv`ksgckvsqkay3ln
Fgdfydg3lnlhinsqlu{?M-}+ 0
k
u-}k+ dlb1u-}k+
-
8/3/2019 Andrew Rosenberg- Lecture 23: Clustering Evaluation
17/24
I}g`udiFgdfydg3lnlhInsqlu{
} 07
3
7
3
7
3
7
3
M-}+ 0
73
dlb 73
73
dlb 73
73
dlb 73
73
dlb 73
M-}+ 0 7
3-1+
7
3-1+
7
3-1+
7
3-1+
0 1
-
8/3/2019 Andrew Rosenberg- Lecture 23: Clustering Evaluation
18/24
I}g`udiFgdfydg3lnlhInsqlu{
} 03
75
3
75
7
75
7
75
M-}+ 0 3
75dlb
3
75
3
75dlb
3
75
7
75dlb
7
75
7
75dlb
7
75
0
3
75 -
7.61+
3
75 -
7.61+
7
75 -
6.61+
7
75 -
6.61+0 7.21
-
8/3/2019 Andrew Rosenberg- Lecture 23: Clustering Evaluation
19/24
UgkqAgvic@igvyqiv
Vsg3v3fvlxiqixiq{ugkqlhksi`v.VVvg`ifdyvsiq$vg`ifdgvvVCvg`ifdyvsiq$ckstiqinsfdgvv
CVckstiqinsfdyvsiq$vg`ifdgvvCCckstiqinsfdyvsiqckstiqinsfdgvv
Smivifgnaigqqgnbickngfln3nbinf{`gsqk}vk`kdgqslrmingffyqgf{kvflnvsqyfsic.
-
8/3/2019 Andrew Rosenberg- Lecture 23: Clustering Evaluation
20/24
UgkqAgvic@igvyqiv
Qgnc?
Ogffgqc
Hldjiv-@gddlr
Qgnc 0VV*CC
VV* VC *CV*CC
H@ 0
VV
VV* VC
VV
VV*CV
Ogffgqc 0VV
VV* VC *CV
-
8/3/2019 Andrew Rosenberg- Lecture 23: Clustering Evaluation
21/24
A-fyaic
Vk`kdgqslugkqagvicflyn3nbv{vsi`v$A-fyaicfgdfydgsivgnidi`insa{idi`insuqifkvklngncqifgdd.
Uqifkvkln 0kUqifkvkln-i+
n Qifgdd 0kQifgdd-i+
n
-
8/3/2019 Andrew Rosenberg- Lecture 23: Clustering Evaluation
22/24
I}siqngdIxgdyg3ln@igvyqiv
Smiqigqi`gn{fmlkfiv. Vl`ivmlydcgd`lvsfiqsgknd{nixiqaiyvic
Uyqks{H-`igvyqi
LsmiqvfgnaiyvicagviclnsgvjlqlsmiquqihiqinfivX-@igvyqiXKA-Fyaic
-
8/3/2019 Andrew Rosenberg- Lecture 23: Clustering Evaluation
23/24
Ni}sSk`i
UqloifsUqivinsg3lnvSmivfmicydimgv79`knysivuiquqivinsg3ln.Smkvknfdycivsqgnvk3lnslsmini}svuigjiq$gncwyiv3lnv.
Uqiugqihlq75`knysiv. FlyqviIxgdyg3lnv
-
8/3/2019 Andrew Rosenberg- Lecture 23: Clustering Evaluation
24/24
Smgnj{ly
