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How are feature_importances in RandomForestClassifier determined?

... if normalizer > 0.0: # Avoid dividing by zero (e.g., when root is pure) importances /= normalizer return importances Try calculate the feature importance: print("sepal length (cm)",0) print("sepal width (cm)",(3*0.444-(0+0))) print("petal length (cm)",(54* 0.168 ...
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{" was not expected.} Deserializing Twitter XML

... Either decorate your root entity with the XmlRoot attribute which will be used at compile time. [XmlRoot(Namespace = "www.contoso.com", ElementName = "MyGroupName", DataType = "string", IsNullable=true)] Or specify the root attribute when de s...
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How to use “raise” keyword in Python [duplicate]

... exception chaining, it allows you to preserve the original exception (the root cause) with its traceback. It's very similar to inner exceptions from C#. More info: https://www.python.org/dev/peps/pep-3134/ share ...
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Custom UITableViewCell from nib in Swift

...rface file and name it MyCustomCell.xib. Add a UITableViewCell as the root of your xib file and any other visual components you want. Create a cocoa touch class file with class name MyCustomCell as a subclass of UITableViewCell. Set the custom class and reuse identifier for your cus...
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How to fix HTTP 404 on Github Pages?

...don't use Jekyll, the workaround is to place a file named .nojekyll in the root directory. share | improve this answer | follow | ...
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Build android release apk on Phonegap 3.x CLI

... For cordova 5.0.0 and above create a build.json on the root of your project and fill it with { "android": { "release": { "keystore": "/path/to/your.keystore", "alias": "youalias" } } } instead of the ant.properties file. FYI cordov...
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Programmatically change log level in Log4j2

...gurator.setLevel("com.example.Foo", Level.DEBUG); // You can also set the root logger: Configurator.setRootLevel(Level.DEBUG); Source EDITED to reflect changes in the API introduced in Log4j2 version 2.0.2 If you wish to change the root logger level, do something like this : LoggerContext ctx ...
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Error to install Nokogiri on OSX 10.9 Maverick?

... problem with this is, using sudo with RVM or rbenv will cause problems as root doesn't know where the sandboxed Rubies live. This is covered in the RVM installation page. The OP is using RVM, and using sudo would cause Nokogiri to install into Apple's Ruby, not the user's. So, don't do this unless ...
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How to convert ActiveRecord results into an array of hashes

...lude the class name with each record, same as you might get if you include root in JSON. – Dom Jun 13 '13 at 13:42 @Do...
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How to make node.js require absolute? (instead of relative)

I would like to require my files always by the root of my project and not relative to the current module. 36 Answers ...