StackOverflow2013

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plurals

PO
primarykey
Id
15442685
data
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0
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0
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0
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2013-03-15T21:37:43.767
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2013-03-15T21:37:43.767
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1435453
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15442684
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2
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4
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LastEditorDisplayName
text
Body
<pre><code># random samples x <- matrix(c(rnorm(30,10,2), rnorm(30,0,1)), nrow=12, byrow=T) # clustering clusters <- kmeans(x, 2) # accessing cluster membership clusters$cluster [1] 1 1 1 1 1 1 2 2 2 2 2 2 # samples within cluster 1 c1 <- x[which(clusters$cluster == 1),] # samples within cluster 2 c2 <- x[which(clusters$cluster == 2),] # printing variables x [,1] [,2] [,3] [,4] [,5] [1,] 10.8415151 9.3075438 9.443433171 13.5402818 7.0574904 [2,] 6.0721775 7.4570368 9.999411972 12.8186182 6.1697638 [3,] 11.3170525 10.9458832 7.576416396 12.7177707 6.7104535 [4,] 8.1377999 8.0558304 9.925363089 11.6547736 9.4911071 [5,] 11.6078294 8.7782984 8.619840508 12.2816048 9.4460169 [6,] 10.2972477 9.1498916 11.769122361 7.6224395 12.0658246 [7,] -0.9373027 -0.5051318 -0.530429758 -0.8200562 -0.0623147 [8,] -0.7257655 -1.1469400 -0.297539831 -0.0477345 -1.0278240 [9,] 0.7285393 -0.6621878 2.914976054 0.6390049 -0.5032553 [10,] 0.2672737 -0.6393167 -0.198287317 0.1430110 -2.2213365 [11,] -0.8679649 0.3354149 -0.003510304 0.6665495 0.6664689 [12,] 0.1731384 -1.8827645 0.270357961 0.3944154 1.3564678 c1 [,1] [,2] [,3] [,4] [,5] [1,] 10.841515 9.307544 9.443433 13.540282 7.057490 [2,] 6.072177 7.457037 9.999412 12.818618 6.169764 [3,] 11.317053 10.945883 7.576416 12.717771 6.710454 [4,] 8.137800 8.055830 9.925363 11.654774 9.491107 [5,] 11.607829 8.778298 8.619841 12.281605 9.446017 [6,] 10.297248 9.149892 11.769122 7.622439 12.065825 c2 [,1] [,2] [,3] [,4] [,5] [1,] -0.9373027 -0.5051318 -0.530429758 -0.8200562 -0.0623147 [2,] -0.7257655 -1.1469400 -0.297539831 -0.0477345 -1.0278240 [3,] 0.7285393 -0.6621878 2.914976054 0.6390049 -0.5032553 [4,] 0.2672737 -0.6393167 -0.198287317 0.1430110 -2.2213365 [5,] -0.8679649 0.3354149 -0.003510304 0.6665495 0.6664689 [6,] 0.1731384 -1.8827645 0.270357961 0.3944154 1.3564678 </code></pre>
Tags
Title
singulars
PostAcceptedAnswerId
1. This table or related slice is empty.
PostParentId
1. POObtaining the observations within each cluster
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  PTQuestion
PostTypePostTypeId
1. PTAnswer
UserLastEditorUserId
1. This table or related slice is empty.
UserOwnerUserId
1. USzeferino
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PostsAcceptedAnswerId
1. POObtaining the observations within each cluster
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  PTQuestion
PostsParentIdCreationDate
1. This table or related slice is empty.
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1. VO
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2. VO
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3. VO
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CommentsPostId
1. This table or related slice is empty.

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