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How To Calculate Eigenvectors And Eigenvalues With Numpy
Eigenvectors and eigenvalues with numpy In machine learning, eigenvectors and eigenvalues come up quite a bit. They are used in a variety of data science techniques such as Principal Component Analysis for dimensionality reduction of features. Let’s take a look at how to calculate these linear algebra values efficiently with Numpy, a popular python
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How To Normalize Data In Python With Scikit Learn
Normalization Sometimes when you are working with datasets, you will need to preprocess them for your machine learning models. One form of preprocessing is called normalization. It basically takes your dataset and changes the values to between 0 and 1. The smallest value becomes the 0 value and the largest value becomes 1. All other
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How To Standardize Data In Python With Scikit Learn
Standardization Sometimes when you are working with datasets for data science, you will need to standardize your dataset before fitting a machine learning model to it. What exactly does standardization do? It essentially takes your values and shifts the values so that the original mean value is placed at 0 and the standard deviation is
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Const, Let, and Var
In ES6 and beyond, Javascript will give us 3 options for creating variables. The 3 options are Const, Let, and Var. Var has been around as long as Javascript whereas Let and Const are newly available via ES6. Var variables are created with functional scope and this can cause a lot of problems in your
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Python Perceptron Tutorial
Python Perceptron Neural networks have been a popular topic lately. It comes up quite often in conversations throughout the tech circle. The basic building block of any neural network is the perceptron. It has actually been around for some time in computer science. To learn about how they work, lets build our own perceptron
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Checking Equality In Javascript
One of the most common things that come up in programming is checking equality between objects or variables. In javascript there are two ways of checking equality, == and ===. They are actually very different things. So it’s good to know the difference between them. == checks that two objects have the same value, but
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How to load a new level/scene in Unity
In Unity game engine, unless you are making a single level arcade game, there will be times where you will need to load a different level to your game. In the above code, the new scene is loaded synchronously using the scene manager. If the new scene is complex, this loading process could take a
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Hello world! EHackz!
EHackz.com is a new tutorial/coding website for hackers. Subjects that will be covered: Python iOS/Swift Android Javascript Machine Learning Frameworks Tutorials I hope you follow along with this journey, and I hope you enjoy the ride. 🙂
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Unity lifecycle callback functions
If you create a unity project, you will most likely create a class that inherits from MonoBehaviour. I’ll talk a bit about some of the most important MonoBehaviour methods since they will be driving a majority of game functionalities. The most important methods will be: Start, Update, Awake and LateUpdate. You won’t need to use
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How to create a toast in Android Kotlin
Giving user feedback throughout an android application is useful so that the user knows that they are doing the right set of actions in your application. Let’s create a simple button that creates a toast message in this blog post. In our Layout, let’s add a simple button. Now that we have a button to
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