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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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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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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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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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Detect Browser Language in PHP

... why dont you keep it simple and clean <?php $lang = substr($_SERVER['HTTP_ACCEPT_LANGUAGE'], 0, 2); $acceptLang = ['fr', 'it', 'en']; $lang = in_array($lang, $acceptLang) ? $lang : 'en'; require_once "index_{$lang}.php"; ?> ...
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Merge, update, and pull Git branches without using checkouts

I work on a project that has 2 branches, A and B. I typically work on branch A, and merge stuff from branch B. For the merging, I would typically do: ...