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1
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ุจุงุณู… ุงู„ู„ู‡ ูˆุงู„ุญู…ุฏ ู„ู„ู‡ ูˆุงู„ุตู„ุงุฉ ูˆุงู„ุณู„ุงู… ุนู„ู‰ ุฑุณูˆู„
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ุงู„ู„ู‡ ู‡ุฐุง ุงู„ุชุณุฌูŠู„ ุงู„ุฃุฎูŠุฑ ุฅู† ุดุงุก ุงู„ู„ู‡ ููŠ ุงู„ู€ chapter
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clustering ุนููˆุงู‹ ู‚ุจู„ ุงู„ุฃุฎูŠุฑ ุจูŠุถู„ู„ู†ุง ููŠ ุชุณุฌูŠู„ ุฅู† ุดุงุก
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ุงู„ู„ู‡ ุณูŠูƒูˆู† ุนู…ู„ูŠ ุจุงุนุชู…ุงุฏ ุงู„ู€ python ุงู„ุตุญูŠุญ ูุดูˆู ููŠ
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ุดุบู„ ุงู„ู€ python ุจุนุถ ุงู„ุฅุจุฏุงุนุงุช ู…ู†ูƒู… ูˆุจุนุถูƒู… .. ุญู„ูˆ
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ุญู„ูˆ ุญู„ูˆ ุทุจุนุงู‹ ู…ุง ุดุงุก ุงู„ู„ู‡
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ุงู„ุจุฏุงูŠุฉุŒ ุงู„ู€ chapter ุฅู† ุงู„ู€ cluster ู‡ูŠ ุนุจุงุฑุฉ ุนู† ุนู…ู„ูŠุฉ
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ุชู‚ุณูŠู… ุงู„ู€ instances ุจู†ุงุกู‹ ุนู„ู‰ ุชุดุงุจู‡ ุฃูˆ similarities
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ู…ุง ุจูŠู†ู‡ู… ู„ู…ุฌู…ูˆุนุงุชุŒ ููŠ ุนู†ุฏู†ุง ุงู„ู€ partition cluster ูˆุงู„ู€
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partition cluster ุฃู†ู‡ ู…ุง ูŠูƒูˆู†ุด ููŠู‡ overlap
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clusters ูˆููŠ ุนู†ุฏู†ุง hierarchical cluster ุฃู†ู‡ ุฃู†ุง
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ูุนู„ูŠุงู‹ ุฃู‚ุฏุฑ ุฃุดูˆู ูƒู„ cluster ุจูŠู†ุชู…ูŠ ู„ุฃูŠ cluster ูˆุงู„ู€
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00:00:48,870 --> 00:00:51,330
ุทุจุนุงู‹ ู‡ู†ุง ุจุชุญูƒู… ููŠ ุนุฏุฏ ุงู„ู€ clusters ุงู„ู„ูŠ ุฃู†ุง ุจุฏูŠ
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ุฅูŠุงู‡ุงุŒ ูƒู„ cluster ุจุจุณุงุทุฉุŒ ุงู„ูŠูˆู… ุฅู† ุดุงุก ุงู„ู„ู‡ ู†ุชูƒู„ู… ุนู†
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ุฌุฒุฆูŠุฉ ุงู„ู€ evaluation ุทุจุนุงู‹ ู„ู…ุง ู†ุชูƒู„ู… ุนู† ุงู„ู€ evaluation
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ูƒุชู‚ูŠูŠู… ุงู„ู€ ..
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ู†ุชูƒู„ู… ุนู† ุงู„ุชู‚ูŠูŠู…ุŒ ู‡ู„ ุงู„ุชู‚ูŠูŠู… ูˆุงุฑุฏ ููŠ ุงู„ู€
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00:01:11,390 --> 00:01:16,990
clusteringุŸ ุงู„ุชู‚ูŠูŠู… ูƒุชู‚ูŠูŠู… ููŠ ุงู„ู€ clustering ุฅุฐุง ุงู„ู€
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00:01:16,990 --> 00:01:21,650
data ุจู‚ู‰ unlabeled ุฃูˆ ุนู…ุฑู‡ ุจูŠูƒูˆู† ุตุญูŠุญ ู„ุฃู† ุฃู†ุง
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00:01:21,650 --> 00:01:27,410
ูุนู„ูŠุงู‹ ู„ุงุฒู… ุฃุชุฏุฎู„ human ุนููˆุงู‹ ุงู„ู…ู‚ุตูˆุฏ ุฃู† ุงู„ุชู‚ูŠูŠู…
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ู…ุณุชุญูŠู„ ูŠูƒูˆู† ุตุญูŠุญ ุฃูˆ ุญุงู„ูŠุงู‹ ุจุฏูŠ ุฃู‚ูˆู„ ุฃู†ู‡ ูŠูƒุงุฏ ูŠูƒูˆู† ู…ู†
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00:01:35,220 --> 00:01:40,060
ุงู„ู…ุณุชุญูŠู„ ุชุทุจูŠู‚ ุงู„ุชู‚ูŠูŠู… ุฅู„ุง ู…ู† ุฎู„ุงู„ expert ู‚ุงุฏุฑ
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ูุนู„ูŠุงู‹ ุนู„ู‰ ุฏุฑุงุณุฉ ูƒู„ instance ูˆูุนู„ูŠุงู‹ ุฃู†ู‡ุง ุชู†ุชู…ูŠ ู„ู€
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cluster ุฃูˆ ู…ุชุดุงุจู‡ ู…ุน ุงู„ุนู†ุงุตุฑ ุงู„ู„ูŠ ู…ูˆุฌูˆุฏุฉ ุนู†ุฏู‡ุงุŒ ู„ูƒู†
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ุฅุญู†ุง ู‡ู„ุฃ ู„ู…ุง ู†ุชูƒู„ู… ุนู† ุงู„ู€ clusteringุŒ ุฃู†ุง ู„ุฏูŠ
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algorithm ูˆ data set ูˆุทุจู‚ุช ุนู„ู‰ ุงู„ู€ data setุŒ ู‡ู„ ููŠ
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00:01:58,140 --> 00:02:01,520
ู…ุฌุงู„ ุฃุนู…ู„ evaluation ู„ู„ู€ algorithm ุฃูˆ ู„ู„ู†ุงุชุฌ ุงู„ู„ูŠ
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00:02:01,520 --> 00:02:06,160
ู…ูˆุฌูˆุฏุŸ ุขู‡ ููŠ ู…ุฌุงู„ ู„ูƒู† ููŠ ุญุงู„ุฉ ูˆุงุญุฏุฉ ูู‚ุทุŒ ุฅุฐุง ุฃู†ุง
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ุงุนุชู…ุฏุช ุฃู† ููŠ ุนู†ุฏูŠ labeled data setุŒ ุทูŠุจ ุฅุญู†ุง ู‚ู„ู†ุง
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ู…ู† ุงู„ุจุฏุงูŠุฉ ุฃู†
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ุงู„ู€ cluster ุจุชุดุชุบู„ ุนู„ู‰ ุงู„ู€ test set ูŠุนู†ูŠ ุงู„ู€ label ู…ุด
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ู…ูˆุฌูˆุฏุŒ ุตุญูŠุญุŒ ุงู„ููƒุฑุฉ ูˆูŠู† ุฃู† ุฃู†ุง ุจุฏูŠ ุฃูุตู„ ุงู„ู€ data set
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ุจุชุงุนุชูŠุŒ ู…ุฌู…ูˆุนุฉ ุงู„ู€ attributes ู„ุญุงู„ ูˆุงู„ู€ target label
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ู„ุญุงู„ุŒ ูˆุจุนุฏ ู‡ูŠูƒ ุฃุนู…ู„ ู„ู‡ุง ุงู„ู€ clusteringุŒ ุจุฏูŠ ุฃุนู…ู„ ู‡ู†ุง
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clustering ู„ู„ู€ data set ุงู„ู„ูŠ ู…ูˆุฌูˆุฏุฉ ุนู†ุฏูŠ ู‡ู†ุง ูˆุจู†ุงุกู‹
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00:02:44,590 --> 00:02:48,270
ุนู„ู‰ ุงู„ู€ clustersุŒ ุฃู†ุง ุนุงุฑู ุฃู† ูƒู„ instance ุจุชุชุจุน ุฃูŠ
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labelุŒ ูุจูŠุตูŠุฑ ุฃู†ุง ุจู‚ู‰ ุจุฃู‚ุงุฑู† ุงู„ู€ label ุงู„ู„ูŠ ุนู†ุฏูŠ ู…ุน ุงู„ู€
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clusters ุงู„ู„ูŠ ู‡ูˆ ุงู„ู„ูŠ ุนู†ุฏูŠ ู‡ู†ุง ูˆุจู†ุงุกู‹ ุนู„ู‰ ู‡ูŠูƒ ุจุญุตู„
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00:02:57,100 --> 00:03:02,660
ุนู„ู‰ ุชู‚ูŠูŠู…ุŒ ูˆุจุงู„ุชุงู„ูŠ ู„ู…ุง ุฅุญู†ุง ุจู†ุชูƒู„ู… ุนู„ู‰ ุงู„ู€ ุงู„ู€ ุงู„ู€ ุงู„ู€
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00:03:02,660 --> 00:03:03,400
(Repeated "ุงู„" - removed)
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(Repeated "ุงู„" - removed)
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(Repeated "ุงู„" - removed)
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(Repeated "ุงู„" - removed)
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00:03:06,460 --> 00:03:07,520
(Repeated "ุงู„" - removed)
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(Repeated "ุงู„" - removed)
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ู„ุฃู† ุงู„ู†ุชุงุฆุฌ ุงู„ู„ูŠ ู…ูˆุฌูˆุฏุฉ ุนู†ุฏูŠ ู…ุง ุญุฏุด ุจูŠู‚ูˆู„ ุนู†ู‡ุง ุตุญ
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00:03:28,550 --> 00:03:31,570
ุฃูˆ ุฎุทุฃุŒ ูŠุนู†ูŠ ุฃู†ุง ุงุณุชุฎุฏู…ุช two different algorithms
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ูˆู‚ู„ุช ู„ู‡ู… ูˆุงู„ู„ู‡ ุฌุณู…ู‘ู„ุช ุงู„ู€ data set ูƒู€ partitional ู„ู€
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three clustersุŒ ุทู„ุนูˆุง ู„ูŠ three clustersุŒ ู…ุด ุถุฑูˆุฑูŠ ู…ุด
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00:03:46,770 --> 00:03:50,350
ุถุฑูˆุฑูŠ ุงู„ุนู†ุงุตุฑ ุงู„ู„ูŠ ููŠ ุงู„ู€ cluster ุงู„ุฃูˆู„ ู‡ูŠ ู†ูุณู‡ุง
51
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ุงู„ู„ูŠ ููŠ ุนู†ุงุตุฑ ุงู„ู€ cluster ุงู„ุซุงู†ูŠุŒ ู†ุงุชุฌ ุงู„ู€
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algorithm ูˆุจุงู„ุชุงู„ูŠ ู…ู‚ุงุฑู†ุฉ ุงู„ู€ output ุดุจู‡ ู…ุณุชุญูŠู„ุฉุŒ ุฅุฐุง
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00:04:00,600 --> 00:04:02,640
ูƒู†ุช ุฃู‚ูˆู„ ุฃู† ุงู„ู€ Algorithm ุฃุนุทุงู†ูŠ ู†ูุณ ุงู„ู†ุชูŠุฌุฉ ุฃูˆ
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00:04:02,640 --> 00:04:05,880
ู†ูุณ ุงู„ู€ ุงู„ู€ ูุงูŠุฏุฉ ู…ู† ุงู„ุซุงู†ูŠุŒ ูู„ุง ูŠุชู…ูŠุฒ ุงู„ุซุงู†ูŠ ุนู†ู‡
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00:04:05,880 --> 00:04:10,360
ุชู…ุงู…ุŒ ุฅู„ุง ูุนู„ูŠุงู‹ ู„ูˆ ุงู„ู€ Data ูƒุงู†ุช ูุนู„ูŠุงู‹ ุงู„ู€ Data
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discriminantุŒ ุงู„ู€ instances ู…ูŠู‘ุงู„ุฉ ู„ู€ different tree
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classes ูˆูƒู„ ูˆุงุญุฏุฉุŒ ูƒู„ instance ุชู†ุชู…ูŠ ู„ู€ classุŒ ูŠุนู†ูŠ
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ููŠ ุนู†ุฏูŠ discriminant attribute ูˆ ุฃู‚ุฏุฑ ุฃุตูู‘ู‡ู…
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ุฃูˆ ุฃูˆุฏู‘ูŠู‡ู… ุนู„ู‰ ุงู„ู€ certain class ุฃูˆ ุงู„ู€ target
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00:04:25,100 --> 00:04:30,020
clusterุŒ ุนููˆุงู‹ ุจุดูƒู„ ูƒูˆูŠุณุŒ ู„ูƒู† ู„ู…ุง ุฃู†ุง ูุนู„ูŠุงู‹ ุจุฃุทุจู‚
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ู…ู…ูƒู† ุจุงุนุชู…ุงุฏูŠ ุนู„ู‰ ุงู„ู€ training setุŒ ุงู„ู€ training set
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ุฅุฐุง ุฃู†ุง ุทุจู‚ุช ุงู„ู€ cluster algorithm ุนู„ู‰ ุงู„ู€ training
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00:04:39,000 --> 00:04:43,020
setุŒ ุชู„ุงุญุธูˆุง ู…ุนุงูŠุง ูŠุง ุฌู…ุงุนุฉ ุงู„ุฎูŠุฑุŸ ู„ู…ุง ุฃู†ุง ุจุฏูŠ ุฃุนู…ู„
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evaluationุŒ ุงู„ุขู† ูุนู„ูŠุงู‹ุŒ ูุนู„ูŠุงู‹ ู„ูŠู‡ ุงู„ู€ clustering
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unsupervised learningุŸ ูŠุนู†ูŠ ุฃู†ุง ุจุชุฌุงู‡ู„ ุงู„ู€ label ุฃูˆ
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ุงู„ู€ label ู…ุด ู…ูˆุฌูˆุฏ ููŠ ุงู„ู€ data setุŒ ู‡ุฐู‡ ูˆุงุญุฏุฉุŒ ู„ู…ุง ุฃู†ุง
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ุจุฏูŠ ุฃุนู…ู„ ู„ู‡ evaluation ู„ู„ู€ algorithmุŒ ุชู…ุงู…ุŸ ุจู‚ุฏุฑ ุฃุนู…ู„
68
00:04:59,370 --> 00:05:03,170
evaluation ููŠ ุญุงู„ุฉ ูˆุงุญุฏุฉ ูู‚ุท ุฅุฐุง ุฃู†ุง ู‚ุฏุฑุช ุฃุทุจู‚ู‡
69
00:05:03,170 --> 00:05:06,410
ุนู„ู‰ ุงู„ู€ training setุŒ ุดูˆ ุงู„ู€ training setุŸ ูŠุนู†ูŠ ููŠ ุนู†ุฏูŠ
70
00:05:06,410 --> 00:05:09,930
labelุŒ ุทูŠุจ ู‡ู„ ุงู„ูƒู„ุงู… ู‡ุฐุง ู…ูˆุฌูˆุฏุŸ ุขู‡ ู…ูˆุฌูˆุฏุŒ ุจูŠุตูŠุฑ ูƒู„
71
00:05:09,930 --> 00:05:15,670
labelุŒ ูƒู„ class ุจู…ุซุงุจุฉ clusterุŒ ูƒู„ class ุจู…ุซุงุจุฉ
72
00:05:15,670 --> 00:05:21,910
cluster ูˆุจุฑูˆุญ ุจุฃุฎุฐ ุงู„ู€ class ูˆุจุฌุณู‘ู… ุงู„ู€ data set
73
00:05:21,910 --> 00:05:24,210
ุจุฏูˆู† ุงู„ู€ cluster ุฒูŠ ู…ุง ูˆุงุฌู‡ุชูƒู… ููŠ ุงู„ู€ slide ุงู„ุณุงุจู‚ุฉ
74
00:05:24,210 --> 00:05:30,020
ุฒูŠ ู…ุง ุฃุฑุณู„ู†ุงู‡ุงุŒ ูŠุนู†ูŠ ุฃู†ุง ุงู„ุขู† ู‡ูŠ ุงู„ู€ data set ุจุชุงุนูŠ
75
00:05:30,020 --> 00:05:37,920
ู…ุฑุฉ ูƒู…ุงู†ุŒ ูุตู„ุช ุงู„ู€ cluster
76
00:05:37,920 --> 00:05:40,940
ุฃูˆ ูุตู„ุช ุงู„ู€ data setุŒ ุงู„ู€ attribute ูˆุงู„ู€ label ุฃูˆ ุงู„ู€
77
00:05:40,940 --> 00:05:46,720
classุŒ ุฌุณู…ู‘ู„ุช
78
00:05:46,720 --> 00:05:49,200
ุงู„ู€ data setุŒ ุตุงุฑ ุนู†ุฏูŠ ุงู„ุขู† ู‡ูŠ ุงู„ู€ label ูˆู‡ูŠ ุงู„ู€
79
00:05:49,200 --> 00:05:55,150
attributeุŒ ุงู„ุขู† ุจุฃุฌูŠ ุจุฃุทุจู‚ ุงู„ู€ clusteringุŒ ุจุฃุทุจู‚ ุงู„ู€
80
00:05:55,150 --> 00:05:57,170
clustering ุนู„ู‰ ุงู„ู€ attributes ุงู„ู„ูŠ ู…ูˆุฌูˆุฏุฉ ุนู†ุฏู‡ุง
81
00:05:57,170 --> 00:06:02,830
ุนู„ู‰ ุงู„ู€ instances ุงู„ู„ูŠ ู…ูˆุฌูˆุฏุฉุŒ ุชู…ุงู…ุŒ ุงู„ุขู† ูุนู„ูŠุงู‹ ูƒู„
82
00:06:02,830 --> 00:06:07,870
instance ุจุชุจู‚ู‰ class ูˆููŠ ุนู†ุฏูŠ ู…ุฌู…ูˆุนุฉ instances ููŠ
83
00:06:07,870 --> 00:06:10,470
ู†ูุณ ุงู„ู€ classุŒ ุจูŠู†ุฌู‘ู… ุฃู†ู‡ ูุนู„ูŠุงู‹ ุงู„ู€ data already
84
00:06:10,470 --> 00:06:15,590
ู…ู†ุฌุณู…ุฉุŒ ูุฅุฐุง ุฃู†ุง ู‚ุฏุฑุช ุฃุฑุจุท ู…ุง ุจูŠู† ุงู„ู€ true cluster
85
00:06:15,590 --> 00:06:21,890
ุงู„ู„ูŠ ู‡ูŠ ุงู„ู€ label ูˆุงู„ู€ predicted cluster ุงู„ู„ูŠ ู…ูˆุฌูˆุฏ
86
00:06:21,890 --> 00:06:26,610
ุนู†ุฏู‡ุงุŒ ุจู‚ุฏุฑ ุฃู†ุดุฆ ุดุบู„ ุงุณู…ู‡ุง ุงู„ู€ Contingency Matrix
87
00:06:26,610 --> 00:06:29,930
ูˆู…ู† ุงู„ู€ Contingency Matrix ู…ู…ูƒู† ุฃู† ุฃุชูƒู„ู‘ู… ุนู„ู‰ ุดุบู„
88
00:06:29,930 --> 00:06:36,160
ุฃูˆู„ metricุŒ ู‡ุณู…ูŠู‡ุง ุงู„ู€ PurityุŒ ุชุนุงู„ูˆุง ู†ุชูƒู„ู… ุนู† ุงู„ู€
89
00:06:36,160 --> 00:06:38,920
Contingency MatrixุŒ ุงูŠุด ุงู„ู€ Contingency Matrix
90
00:06:38,920 --> 00:06:43,720
ุจุชู‚ูˆู„ุŸ ุฃู† ู„ุฏูŠ ุซู„ุงุซุฉ .. ุทุจุนุงู‹ ู„ุงุญุธูˆุง ูŠุง ุฌู…ุงุนุฉ ุงู„ุฎูŠุฑ
91
00:06:43,720 --> 00:06:47,960
ููŠ ู…ูˆู‚ููŠุŒ ุฃู†ุง ุจุฏูŠ ุฃุฎุชุจุฑ Clustering Algorithm ููŠ
92
00:06:47,960 --> 00:06:51,980
ุนู†ุฏูŠ labeled data setุŒ ุงู„ู€ labeled data set ููŠู‡ุง ุนุฏุฏ
93
00:06:51,980 --> 00:06:55,800
classes ู…ุนูŠู‘ู† NุŒ ู„ู…ุง ุจุฏูŠ ุฃุณุชุฎุฏู… ุงู„ู€ Clustering
94
00:06:55,800 --> 00:06:59,020
AlgorithmุŒ ุจุฏูŠ ุฃู‚ูˆู„ ุฌุณู…ู‘ู„ุชู‡ุง ู„ู€ N ู…ู† ุงู„ู€ cluster ู„ุฃู†
95
00:06:59,020 --> 00:07:02,800
ูƒู„ cluster ุจุฏูŠ ูŠู…ุซู„ ClassุŒ ูุฃู†ุง ุจูุชุฑุถ ุฃู†ู‡ ุนู†ุฏูŠ data
96
00:07:02,800 --> 00:07:07,680
set ู…ูƒูˆู‘ู†ุฉ ู…ู† three classesุŒ labeled data set ู…ูƒูˆู‘ู†ุฉ
97
00:07:07,680 --> 00:07:13,080
ู…ู† three classesุŒ ุจู†ุณู…ู‘ูŠู‡ู… T1 ูˆT2 ูˆT3ุŒ ู…ู† true true
98
00:07:13,080 --> 00:07:18,520
cluster ุฃูˆ true segment ุฃูˆ true partitionุŒ ุณู…ู‘ูˆู‡ุง ุฒูŠ
99
00:07:18,520 --> 00:07:24,380
ู…ุง ุจุฏู‘ูƒู…ุŒ true label ุณู…ู‘ูˆู‡ุง ุฒูŠ ู…ุง ุจุฏู‘ูƒู…ุŒ ูˆC1 ูˆC2 ูˆC3 ู‡ู…ุง
100
00:07:24,380 --> 00:07:28,060
ุงู„ู€ clusters ุงู„ู„ูŠ ุฃู†ุดุฃุชู‡ู… ู…ู† ุงู„ู€ algorithm ุงู„ู„ูŠ
101
00:07:28,060 --> 00:07:31,580
ู…ูˆุฌูˆุฏ ุนู†ุฏู‡ุงุŒ ุงูŠุด ุฑุงุญ ุฃุฌูŠุจุŸ ุงูŠุด ุจูู‡ู… ุงู„ู€ contingency
102
00:07:31,580 --> 00:07:41,000
matrixุŸ ุฃู† ููŠ C1ุŒ C1 ุฎู…ุณุฉ ูˆุนุดุฑูŠู† element ุจูŠู†ุชู…ูŠ ู„ู€
103
00:07:41,000 --> 00:07:45,020
T2 ูˆุฎู…ุณุฉ
104
00:07:45,020 --> 00:07:50,410
elements ุจูŠู†ุชู…ูŠ ู„ู€ T3ุŒ ูˆุฎู…ุณ ุนู†ุงุตุฑ ุจูŠู†ุชู…ูŠ ู„ู€ T3ุŒ ูŠุนู†ูŠ
105
00:07:50,410 --> 00:07:56,730
ุนู†ุฏูŠ 25 ุนู†ุตุฑ ู…ู† TุŒ ู†ุงุชุฌ
106
00:07:56,730 --> 00:08:06,470
ุงู„ู€ clusteringุŒ C1 ุจูŠุญุชูˆูŠ ุนู„ู‰ 30 ุนู†ุตุฑุŒ 25 ู…ู†ู‡ู… ุญู‚ูŠู‚ุฉ
107
00:08:06,470 --> 00:08:12,550
ู…ู† ุงู„ู€ class ุงู„ุซุงู†ูŠ ูˆ5 ู…ู† ุงู„ู€ class ุงู„ุซุงู„ุซ ูˆู„ุง
108
00:08:12,550 --> 00:08:18,880
ูˆุงุญุฏ ู…ู† ุงู„ู€ class ุงู„ุฃูˆู„ุŒ T2 ุฃูˆ cluster C2 ุจูŠุญุชูˆูŠ ุนู„ู‰
109
00:08:18,880 --> 00:08:25,100
35 ุนู†ุตุฑุŒ 15 ู…ู† ุงู„ู€ class ุงู„ุฃูˆู„ ูˆ20 ู…ู† ุงู„ู€ class
110
00:08:25,100 --> 00:08:32,220
ุงู„ุซุงู„ุซุŒ cluster ุซู„ุงุซุฉ ุจูŠุญุชูˆูŠ ุนู„ู‰ ุนุดุฑ ุนู†ุงุตุฑ ูู‚ุทุŒ ูƒู„ู‡ู…
111
00:08:32,220 --> 00:08:40,100
ูƒู„ู‡ู… ุจูŠุชุจุนูˆุง T1ุŒ ุงู„ุขู† ู‡ุฐุง ุงู„ูƒู„ุงู… ุฅุฐุง ุฃู†ุง ูู‡ู…ุชู‡
112
00:08:41,270 --> 00:08:45,670
ู…ุนู†ุงุชู‡ ุฃู†ุง ู…ุด ุถุฑูˆุฑูŠ ุงู„ู€ Clustering algorithm ุชุจุนูŠ
113
00:08:45,670 --> 00:08:49,250
ูŠูƒูˆู† ุตุญ ู…ุงุฆุฉ ููŠ ุงู„ู…ุงุฆุฉุŒ ู…ู…ุชุงุฒุŒ ุทูŠุจ ู…ุชู‰ ุจูŠูƒูˆู† ุตุญ ู…ุงุฆุฉ
114
00:08:49,250 --> 00:08:57,710
ููŠ ุงู„ู…ุงุฆุฉุŸ ุฅุฐุง ูˆุงู„ู„ู‡ ุฃู†ุง ุฅุฌูŠุช ู‚ู„ุช ู‡ูŠูƒ ู…ุซู„ุงู‹
115
00:08:57,710 --> 00:09:00,830
ุญุตุฑุช ุนู„ู‰ ุตูˆุฑุฉ ูˆุงุญุฏุฉ ู…ู† ุงู„ุตูˆุฑ ุงู„ุชุงู„ูŠุฉุŒ ูุฃู†ุง ู‡ุฃุชูƒู„ู‘ู… ุนู†
116
00:09:00,830 --> 00:09:08,150
ุงู„ู€ matrixุŒ ู„ูˆ ุฃู†ุง ุฅุฌูŠุช ู‚ู„ุช ู‡ู†ุง ูˆุงู„ู„ู‡ ุนู†ุฏูŠ
117
00:09:08,150 --> 00:09:08,990
ู‡ู†ุง ุซู„ุงุซูŠู†
118
00:09:12,600 --> 00:09:24,500
ูˆุนู†ุฏูŠ ู‡ู†ุง 20 ูˆุนู†ุฏูŠ ู‡ู†ุง 50 ูˆุฃู†ุง
119
00:09:24,500 --> 00:09:28,740
C1ุŒ C2ุŒ
120
00:09:28,740 --> 00:09:39,400
ูˆC3ุŒ ูˆุงู„ุจุงู‚ูŠ ุฃุตูุฑุŒ ุทุจุนุงู‹ ู‡ู†ุง T1ุŒ T2ุŒ T3ุŒ ูˆุฃู†ุง ุชุนู…ู‘ุฏุช ุฃุญุท
121
00:09:39,400 --> 00:09:45,560
ุงู„ู‚ูŠู… ู†ูุณ ุงู„ูƒู…ูŠุฉุŒ ู„ุญุธูˆุง ู…ุนุงูŠุง ุฅู†ู‡ ูุนู„ูŠุงู‹ ูƒู„ cluster
122
00:09:45,560 --> 00:09:50,720
completely pureุŒ ุตุงููŠ ู…ุง ููŠุด ููŠู‡ ุฃูŠ .. ูŠุนู†ูŠ ูƒู„
123
00:09:50,720 --> 00:09:53,800
cluster ู…ุซู„ ูˆุงุญุฏุฉ ู…ู† ุงู„ู€ classes ุงู„ู„ูŠ ู…ูˆุฌูˆุฏุฉ ุนู†ุฏูŠ
124
00:09:53,800 --> 00:09:57,980
ูƒู„ cluster ู…ุซู„ ูˆุงุญุฏุฉ ูู‚ุท ู…ู† ุงู„ู€ classes ุงู„ู„ูŠ ู…ูˆุฌูˆุฏุฉ
125
00:09:57,980 --> 00:10:01,920
ุนู†ุฏูŠุŒ ูˆู‡ู†ุง ุจุชูƒู„ู… ุฅู†ู‡ ูุนู„ูŠุงู‹ ูƒู„ cluster ู†ู‚ูŠ ุชู…ุงู…ุงู‹
126
00:10:01,920 --> 00:10:06,740
ุจูŠุญุชูˆูŠ ุนู„ู‰ ุนู†ุงุตุฑ ู…ู† ู†ูุณ ุงู„ู€ class ูู‚ุทุŒ ุนุดุงู† ู‡ูŠ ูƒุงู†
127
00:10:06,740 --> 00:10:10,900
ุจู†ุชูƒู„ู… ุฅุญู†ุง ุนู„ู‰ ุงู„ู€ purityุŒ ู†ู‚ุงูˆุฉ ุฃูˆ ู†ู‚ุงุกุŒ ุฏุฑุฌุฉ
128
00:10:10,900 --> 00:10:17,700
ุงู„ู†ู‚ุงุกุŒ ุทูŠุจ ุจู…ุง ุฃู† ุงู„ุญุงู„ุฉ ุฏูŠ ู‡ูŠ ุงู„ู€ optimal case ุฃูˆ
129
00:10:17,700 --> 00:10:21,640
ุงู„ู€ ideal case ูˆุงู„ู„ูŠ ุฃู†ุง ูุนู„ุงู‹ ู…ุด ู‡ุฃุญุตู„ ุนู„ูŠู‡ุงุŒ ุฃู†ุง
130
00:10:21,640 --> 00:10:24,400
ู‡ุฃุญุตู„ ุนู„ู‰ ุดุบู„ ู…ุดุงุจู‡ ุฒูŠ ู‡ูŠูƒ ู…ู† ุฎู„ุงู„ ุงู„ู€ contingency
131
00:10:24,400 --> 00:10:28,020
matrixุŒ ูƒูŠู ุฃุญุณุจ ุงู„ู€ purityุŸ ุงู„ู€ purity ู‡ูŠ ุชุณุงูˆูŠ
132
00:10:28,020 --> 00:10:35,180
ุนุจุงุฑุฉ ุนู† ู…ุฌู…ูˆุน ุงู„ู€ maximum ููŠ ูƒู„ ุตูุŒ ุงู„ู€ maximum ุนุฏุฏ
133
00:10:35,180 --> 00:10:40,410
maximum ู„ู„ู€ Ti ุชู†ุชู…ูŠ ู„ู€ CุŒ ุนู„ู‰ ุงู„ุขู†ุŒ ุงู„ู€ maximum ุฎู…ุณุฉ ูˆ
134
00:10:40,410 --> 00:10:44,750
ุนุดุฑูŠู†ุŒ ุงู„ู€ maximum ุนุดุฑูŠู†ุŒ ุงู„ู€ maximum ุนุดุฑุฉุŒ ูŠุนู†ูŠ ุฎู…ุณุฉ ูˆ
135
00:10:44,750 --> 00:10:49,430
ุนุดุฑูŠู† ุฒุงุฆุฏ ุนุดุฑูŠู† ุฒุงุฆุฏ ุนุดุฑุฉุŒ ุนู†ุฏู…ุง ุฃุชูƒู„ู‘ู… ุนู† ุฎู…ุณุฉ ูˆ
136
00:10:49,430 --> 00:10:53,550
ุฎู…ุณูŠู†ุŒ ุนู„ู‰ ูƒู„ ุงู„ุขู† ุฎู…ุณุฉ ูˆุฎู…ุณูŠู†ุŒ ูˆููŠ ุนู†ุฏูŠ ุฃุถูŠูู‡ู…
137
00:10:53,550 --> 00:10:58,670
ู‡ู†ุง ุนู„ู‰ ุฎู…ุณุฉ ูˆุณุจุนูŠู†ุŒ ุจุชูƒู„ู… ุนู„ู‰ ุงู„ู€ purityุŒ ุงู„ุขู† ุฅู†
138
00:10:58,670 --> 00:11:04,870
ุนู†ุฏูŠ ู‡ู†ุง ุซู„ุงุซูŠู†ุŒ ุฎู…ุณุฉ ูˆุซู„ุงุซูŠู† ู‡ูŠ ุฎู…ุณุฉ ูˆุณุชูŠู†ุŒ ุฎู…ุณุฉ
139
00:11:04,870 --> 00:11:10,750
ูˆ ุณุจุนูŠู†ุŒ ู…ุนู†ุงุชู‡ ุนู†ุฏูŠ ุฃู†ุง ู‡ู†ุง ุฎู…ุณุฉ ุงู„ู„ูŠ ุนู†ุฏูŠ ู‡ู†ุง
140
00:11:10,750 --> 00:11:13,830
ู†ุชูƒู„ู… .. ุฅุญู†ุง ู‚ู„ู†ุง ุงู„ู€ maximum ุฎู…ุณุฉ ูˆุฃุฑุจุนูŠู† ..
141
00:11:13,830 --> 00:11:21,510
ุฎู…ุณุฉ ูˆุฎู…ุณูŠู† .. ุฎู…ุณุฉ ูˆุฎู…ุณูŠู† ุนู„ู‰ ุฎู…ุณุฉ ูˆุณุจุนูŠู†ุŒ ู‡ุฐู‡
142
00:11:21,510 --> 00:11:23,970
ุงู„ู€ purity ุชุจุน ุงู„ู€ cluster ุฃูˆ ุชุจุน ุงู„ู€ contingency
143
00:11:23,970 --> 00:11:29,990
matrix ุงู„ู„ูŠ ู…ูˆุฌูˆุฏุฉ ุนู†ุฏูŠ
144
00:11:29,990 --> 00:11:34,250
ุทูŠุจ .. ุชุนุงู„ูˆุง ู†ุดูˆู ุงู„ู…ุซุงู„ ุงู„ุจุณูŠุท ุงู„ู„ูŠ ุนู†ุฏูŠ ู‡ุฐุง
145
00:11:41,930 --> 00:11:45,370
ุฃู†ุง ู…ุด ุจู‚ูˆู„ุŒ ุจู‚ูˆู„ ุฅู† ุฃู†ุง ุงู„ู€ Purity ุจู‚ุฏุฑ ุฃุญุณุจู‡ุง ุฅุฐุง
146
00:11:45,370 --> 00:11:50,690
ูƒุงู†ุช ุจุชุนุงู…ู„ ู…ุน test set ุจุชุญุชูˆูŠ ุนู„ู‰ target class
147
00:11:50,690 --> 00:11:56,970
ุชุฎูŠู‘ู„ุŒ ุนุดุงู† ูŠุฏู…ุฌ ุงู„ุชุนุฑูŠู ู‡ุฐุงุŒ ุงู„ู€ definition ู‡ุฐุงุŒ ุนุดุงู†
148
00:11:56,970 --> 00:12:00,610
ูŠุฏู…ุฌ ู…ุง ุจูŠู† ุงู„ุดุบู„ุชูŠู†ุŒ ุจูŠู† ุฅู†ู‡ ูุนู„ูŠุงู‹ ุงู„ู€ clustering
149
00:12:00,610 --> 00:12:05,230
ุจุชุทุจู‚ ุนู„ู‰ test set ูˆุฃู†ุง ู…ุง ุจู‚ุฏุฑุด ุฃุฑูˆุญ ุฃู‚ุฏุฑ ุฃุนู…ู„
150
00:12:05,230 --> 00:12:09,980
evaluation ุฅู„ุง ุบูŠุฑ ู„ูˆ ูƒุงู† ุงู„ู€ label ู…ูˆุฌูˆุฏุŒ ูุฌุงู„ูŠ ุงู„ู€
151
00:12:09,980 --> 00:12:12,960
test set ุจุชุญุชูˆูŠ ุนู„ู‰ target ุงู„ุชูŠ ุจู†ุฌู…ุนู‡ุง ู…ู† ุงู„ู€ training
152
00:12:12,960 --> 00:12:20,520
set ูˆู„ุง ุดูˆ ุฑุฃูŠูƒู…ุŸ training
153
00:12:20,520 --> 00:12:25,220
setุŒ ุจูŠุจู‚ู‰ ุงู„ุขู† ุจู‚ูˆู„ุŒ ุฃูุฑุถ ุฃู† ุฃู†ุง ููŠ ุนู†ุฏูŠ test set
154
00:12:25,220 --> 00:12:29,900
ู…ูƒูˆู‘ู†ุฉ ู…ู† 24 element ุจุชู†ุชู…ูŠ ู„ู€ three different
155
00:12:29,900 --> 00:12:39,530
classesุŒ ุงู„ู€ O ุฃูˆ ุงู„ู€ circleุŒ triangleุŒ ูˆ squareุŒ ูˆู…ุฌุณู‘ู…
156
00:12:39,530 --> 00:12:45,490
ุงู„ุนู†ุงุตุฑ ุจุงู„ุชุณุงูˆูŠุŒ 8ุŒ 8ุŒ 8ุŒ 8ุŒ ุจุนุฏ ู…ุง ุทุจู‘ู‚ุช ุงู„ู€ clustering
157
00:12:45,490 --> 00:12:50,510
ุชุจุนุชูŠุŒ ุงู„ู€ cluster C1 ููŠู‡ุง ุงู„ุนู†ุงุตุฑ ุงู„ุชุงู„ูŠุฉุŒ ุงู„ู€ cluster
158
00:12:50,510 --> 00:12:55,650
C2ุŒ ูˆุงู„ู€ cluster C3ุŒ ุทุจุนุงู‹ ู‡ู†ุง ููŠ ู…ุตุทู„ุญ ุฌุฏูŠุฏ ุฃุถูŠูู‡
159
00:12:55,650 --> 00:13:01,630
ู†ู‚ุงุก ูƒู„ clusterุŒ ู†ู‚ุงุก ูƒู„ cluster ุจุดูƒู„ ู…ุณุชู‚ู„ุŒ ุฅุฐุง
160
00:13:01,630 --> 00:13:07,380
ุณุฃู„ุชูƒู…ุŒ ุงู„ู€ cluster ุงู„ุฃูˆู„ ุจูŠู…ุซู„ ุงูŠุดุŸ ู…ุนุธู…ูƒู… ุญูŠู‚ูˆู„ูˆุง ูˆุงู„ู„ู‡
161
00:13:07,380 --> 00:13:12,880
ู‡ุฐุง ุจูŠู…ุซู„ ุงู„ู…ุซู„ุซุงุชุŒ ุงู„ู€ trianglesุŒ ูˆุงู„ู„ูŠ ุชุญุช
162
00:13:12,880 --> 00:13:16,480
ุงู„ุชุงู†ูŠ ุฑุงุญ ูŠู…ุซู„ ุงู„ู…ุฑุจุนุงุช ุงู„ุญู…ุฑุงุกุŒ ูˆู‡ุฐู‡ ุฑุงุญ ุชู…ุซู„ ุงู„ุฏูˆุงุฆุฑ
163
00:13:16,480 --> 00:13:19,340
ุงู„ุฎุถุฑุงุกุŒ ู…ุธุจูˆุทุŸ ูุจุงู„ุชุงู„ูŠ ุฃู†ุง ุจู‚ุฏุฑ ุฃุญุณุจ ุงู„ู€ purity
164
00:13:19,340 --> 00:13:22,300
ุชุจุน ูƒู„ clusterุŒ ุงู„ู€ cluster ุงู„ุฃูˆู„ ุจูŠุญุชูˆูŠ ุนู„ู‰ 9 ุนู†ุงุตุฑ
165
00:13:22,300 --> 00:13:26,420
ูˆุงู„ู€ maximum ูƒุงู†ุช ู„ู…ูŠู†ุŸ ู„ู„ู…ุซู„ุซุงุชุŒ ู…ุนู†ุงุชู‡ 6 ุนู„ู‰ 9
166
00:13:26,420 --> 00:13:29,880
ู„ูƒู† ู…ุด ู‡ูŠ ุงู„ู€ target ุจุชุงุนุชูŠุŒ ุฃู†ุง ู…ุง ุจู‡ู…ู†ูŠุด ุงู„ู€ purity
167
00:13:29,880 --> 00:13:34,820
ุชุจุน ูƒู„ classุŒ ุฃู†ุง ุงู„ู„ูŠ ุจูŠู‡ู…ู†ูŠ ุงู„ู€ purity ู„ูƒู„ output
168
00:13:34,820 --> 00:13:40,340
ู…ุฑุฉ ูˆุงุญุฏุฉ ู„ู„ู€ algorithmุŒ ุงู„ู€ 24 elementุŒ ู‡ุฑูˆุญ
169
00:13:40,340 --> 00:13:44,920
ุฃุฏูˆุฑ ู‡ู†ุงุŒ ุงู„ู€ maximum ู‡ู†ุง 6ุŒ ุงู„ู€ maximum ู‡ู†ุง 5ุŒ ุงู„ู€
170
00:13:44,920 --> 00:13:49,980
maximum ู‡ู†ุง 5ุŒ 6 ุฒุงุฆุฏ 5 ุฒุงุฆุฏ 5 ุนู„ู‰ 24ุŒ 16 ุนู„ู‰ 24
171
00:13:49,980 --> 00:13:53,660
ุฏุฑุฌุฉ ุงู„ู†ู‚ุงุก ุงู„ู„ูŠ ุจูŠุนุทูŠู†ุง ุฅูŠุงู‡ุง ุงู„ู€ cluster ู‡ุฐุง ุจุดูƒู„
172
00:13:53,660 --> 00:14:00,460
ุนุงู…ุŒ 76.67% ูˆู‡ูŠูƒ ุจุชุชู…ู‘ ุญุณุงุจ ุงู„ู€ purity ุจุชุงุนุชู†ุง ู‡ู†ุง
173
00:14:00,460 --> 00:14:04,220
ุทุจุนุงู‹ ูƒู…ุงู† ู…ุฑุฉ ุจุฑุฌุน ุจู‚ูˆู„ุŒ ุฃู†ุง ุจู‚ุฏุฑ ุฃุชูƒู„ู‘ู… ุจุดูƒู„ ู…ุจุฏุฆูŠ
174
00:14:04,220 --> 00:14:09,910
ุงู„ู€ majority ุชุจุน ูƒู„ clusterุŒ ูƒุฐุง ุบุงู„ุจูŠุฉ ุชุจุน ูƒู„
175
00:14:09,910 -->