Tutorial by Examples: re

# 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...

# Note: install jfreechartOffscreenRenderer package as well for JFreeChart library # imports import weka.classifiers.Evaluation as Evaluation import weka.classifiers.functions.LinearRegression as LinearRegression import weka.core.converters.ConverterUtils.DataSource as DS import java.util.Ran...

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"> <p>{{item.name}}</p> <p>{{item.price}}</p> <p>{{item.description}}</p> </div>

<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.

A thread-local object gets initialized on its first use in a thread. And as the name suggests, each thread will get a fresh copy independent of other threads. use std::cell::RefCell; use std::thread; thread_local! { static FOO: RefCell<f32> = RefCell::new(1.0); } // When this mac...

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 ...

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...

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...

Contrary to original documentation, I found this to be the way to properly nest children routes inside the app.routing.ts or app.module.ts file (depending on your preference). This approach works when using either WebPack or SystemJS. The example below shows routes for home, home/counter, and home/...