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Cluster analysis in R: determine the optimal number of clusters
... clustergrams to visualize cluster assignment, see http://www.r-statistics.com/2010/06/clustergram-visualization-and-diagnostics-for-cluster-analysis-r-code/ for more details.
Eight. The NbClust package provides 30 indices to determine the number of clusters in a dataset.
library(NbClust)
nb <...
How do I update all my CPAN modules to their latest versions?
... ever go back to CPAN shell. To upgrade all of your modules in one go, the command is:
cpan-outdated -p | cpanm
I recommend you install cpanminus like the docs describe:
curl -L https://cpanmin.us | perl - App::cpanminus
And then install cpan-outdated along with all other CPAN modules using cp...
assertEquals vs. assertEqual in python
...point, failUnlessEqual is explicitly deprecated. assertEquals carries this comment :-)
# Synonyms for assertion methods
# The plurals are undocumented. Keep them that way to discourage use.
# Do not add more. Do not remove.
# Going through a deprecation cycle on these would anno...
Is Java Regex Thread Safe?
I have a function that uses Pattern#compile and a Matcher to search a list of strings for a pattern.
5 Answers
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How do I find out which DOM element has the focus?
... change the activeElement to body.
Related links:
activeElement Browser Compatibility
jQuery alternative for document.activeElement
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jQuery hasClass() - check for more than one class
...lo" elements there. Fixed version in order to make validators happy: jsbin.com/uqoku/2/edit
– Matchu
Feb 6 '10 at 22:38
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Serializing object that contains cyclic object value
...al;
});
http://jsfiddle.net/mH6cJ/38/
As correctly pointed out in other comments, this code removes every "seen" object, not only "recursive" ones.
For example, for:
a = {x:1};
obj = [a, a];
the result will be incorrect. If your structure is like this, you might want to use Crockford's decyc...
Can you organize imports for an entire project in eclipse with a keystroke?
...eded to correct the R class file for android, and the ambiguity is between com.example.R and android.R. The solution I found is to hide the android.R class in the build path configuration during the import correction, and then to put it back. It works since I never need to import android.R
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Tool for comparing 2 binary files in Windows [closed]
I need a tool to compare 2 binaries. The files are quite large. Some freeware or trial tools I found on the Internet are not convenient to use for large files. Can you recommend me some tools?
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Fastest way to convert JavaScript NodeList to Array?
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??? Both are cross-browser compatible -- Javascript (at least if it claims to be compatible with the ECMAscript spec) is Javascript; Array, prototype, slice, and call are all features of the core language + object types.
– Jason S...