Tutorial by Examples: n

# imports import weka.core.converters.ConverterUtils.DataSource as DS import weka.filters.Filter as Filter import weka.filters.unsupervised.attribute.Remove as Remove import os # load data data = DS.read(os.environ.get("MOOC_DATA") + os.sep + "iris.arff") # remove clas...

# imports import weka.classifiers.trees.J48 as J48 import weka.core.converters.ConverterUtils.DataSource as DS import os # load training data data = DS.read(os.environ.get("MOOC_DATA") + os.sep + "anneal_train.arff") data.setClassIndex(data.numAttributes() - 1) # confi...

A controlled component is bound to a value and its changes get handled in code using event based callbacks. class CustomForm extends React.Component { constructor() { super(); this.state = { person: { firstName: '', lastName: '' } } } ...

z1 = zeros(5); % Create a 5-by-5 matrix of zeroes z2 = zeros(2,3); % Create a 2-by-3 matrix

o1 = ones(5); % Create a 5-by-5 matrix of ones o2 = ones(1,3); % Create a 1-by-3 matrix / vector of size 3

i1 = eye(3); % Create a 3-by-3 identity matrix i2 = eye(5,6); % Create a 5-by-6 identity matrix

<ul> <li *ngFor="let item of items">{{item.name}}</li> </ul>

<div *ngFor="let item of items; let i = index"> <p>Item number: {{i}}</p> </div> In this case, i will take the value of index, which is the current loop iteration.

Angular2 provides several exported values that can be aliased to local variables. These are: index first last even odd Except index, the other ones take a Boolean value. As the previous example using index, it can be used any of these exported values: <div *ngFor="let item of item...

Sometimes we don't want to load the entire XML file in order to get the information we need. In these instances, being able to incrementally load the relevant sections and then delete them when we are finished is useful. With the iterparse function you can edit the element tree that is stored while ...

Detailed instructions on getting Nexus Repository Manager 3.x set up or installed.

add the following function into .bash_profile, save and exit function wekaflstart() { export R_HOME=/Library/Frameworks/R.framework/Resources java -Xss10M -Xmx4096M -cp :weka.jar weka.gui.knowledgeflow.KnowledgeFlow "$1" } inside a directory with a weka.jar file, open its termin...

required: understanding Bitmap and Bitmap data what is threshold This adjustment takes all the pixels in an image and…pushes them to either pure white or pure black what we have to do here is a Live Demo of this example with some additional changes like using a UI to changing th...

bitcoin.conf The bitcoin.conf file allows customization for your node. Create a new file in a text-editor and save it as bitcoin.conf in your /bitcoin directory. Location of your /bitcoin directory depends on your operation system. Windows XP C:\Documents and Settings\<username>\...

This design pattern is called Strategy Pattern. It is used to define a family of algorithms, encapsulates each one, and make them interchangeable. Strategy design pattern lets an algorithm vary independently from clients that use it. For example, animals can "walk" in many different w...

To use the method of inflector helper, first load the helper like all other helper with the following code: $this->load->helper('inflector');

Function singular($string), convert a plural word to singular. To get perfect result parameter $string should be a single word. The function will return string. echo singular("books"); //prints 'book'

Camel Case is the practise of writing compound words or phrases where every word begins with Capital letter, without space between word. The function camelize($string) helps to make a string camelized. It converts a string of words separated by spaces or underscores to camel case. echo camelize('Mc...

Remove delimiter The function humanize($words), takes multiple words separated by underscores and adds spaces for underscores with capitalized each word. echo humanize('mac_donald'); // Prints 'Mac Donald' The function can also replace any declared separator/delimiter. In this case, delimiter w...

PLEASE NOTE: ONLY PUT THIS CODE IN THE HEADER OF THE PAGE, OTHERWISE IT WILL NOT WORK! <?php if (!isset($_SERVER['PHP_AUTH_USER'])) { header('WWW-Authenticate: Basic realm="My Realm"'); header('HTTP/1.0 401 Unauthorized'); echo 'Text to send if user hits Cancel button';...