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Cluster analysis in R: determine the optimal number of clusters

..., calinski.best, "\n") # 5 clusters! Four. Determine the optimal model and number of clusters according to the Bayesian Information Criterion for expectation-maximization, initialized by hierarchical clustering for parameterized Gaussian mixture models # See http://www.jstatsoft.org/v18/i06/pap...
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Pipe output and capture exit status in Bash

I want to execute a long running command in Bash, and both capture its exit status, and tee its output. 15 Answers ...
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Passing functions with arguments to another function in Python?

... What if perform and action1, action2 on different files? @S.Lott – alper Sep 2 '19 at 18:47 ...
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Saving an Object (Data persistence)

... You could use the pickle module in the standard library. Here's an elementary application of it to your example: import pickle class Company(object): def __init__(self, name, value): self.name = name self.value = value with open('company_data....
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HTTP Basic Authentication credentials passed in URL and encryption

I have a question about HTTPS and HTTP Authentication credentials. 3 Answers 3 ...
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Unable to execute dex: Multiple dex files define

... haven't seen any possible solution yet. Before i make the project 'Run as Android Application' , if i do not clean it, i receive the following error and have to restart Eclipse ... and clean again. ...
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Type of conditional expression cannot be determined because there is no implicit conversion between

... conditional expression b ? x : y, there are three possibilities, either x and y both have a type and certain good conditions are met, only one of x and y has a type and certain good conditions are met, or a compile-time error occurs. Here, "certain good conditions" means certain conversions are pos...
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Convert a JSON string to object in Java ME?

... I used a few of them and my favorite is, http://code.google.com/p/json-simple/ The library is very small so it's perfect for J2ME. You can parse JSON into Java object in one line like this, JSONObject json = (JSONObject)new JSONParser().pars...
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What are the differences between the BLOB and TEXT datatypes in MySQL?

What is blob and what is text ? What are the differences? 6 Answers 6 ...
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How to debug Lock wait timeout exceeded on MySQL?

...nnoDB tables. Since you know the query, all the tables being accessed are candidates for being the culprit. From there, you should be able to run SHOW ENGINE INNODB STATUS\G You should be able to see the affected table(s) You get all kinds of additional Locking and Mutex Information. Here is a sampl...