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Cluster analysis in R: determine the optimal number of clusters
... <- d
wss <- (nrow(mydata)-1)*sum(apply(mydata,2,var))
for (i in 2:15) wss[i] <- sum(kmeans(mydata,
centers=i)$withinss)
plot(1:15, wss, type="b", xlab="Number of Clusters",
ylab="Within groups sum of squares")
We might conclude that 4 cluster...
URL Encoding using C#
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Gregory A BeamerGregory A Beamer
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How can I get the Google cache age of any URL or web page? [closed]
...cally: cachedview.me
– lmaooooo
Apr 15 '18 at 0:11
@lmaooooo please add that as a separate answer
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Cannot simply use PostgreSQL table name (“relation does not exist”)
...rd...
– Roman Starkov
May 17 '11 at 15:09
3
@romkyns: Yes, this is actually pretty common across ...
scala vs java, performance and memory? [closed]
...illed achieve.
– igouy
May 6 '11 at 15:14
1
>>in idiomatic style with superlative performan...
SVN+SSH, not having to do ssh-add every time? (Mac OS)
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answered Jul 26 '12 at 15:49
AdamAdam
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Objective-C: Property / instance variable in category
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Cœur
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answered Jan 4 '12 at 20:09
Dave DeLongDave ...
Bash script plugin for Eclipse? [closed]
...es/shelled/update
– fred727
Sep 24 '15 at 12:09
6
Nowadays go to eclipse.org/dltk/install.php. In...
Delete/Reset all entries in Core Data?
...?
– Michael Grinich
Jul 3 '09 at 12:15
Ah yes - sorry that is a special function I use that only does an NSLog when th...
Calculate distance between two points in google maps V3
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