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How To Create Vectors And Matrices With Numpy
Numpy Vectors And Matrices Numpy vectors and matrices will show up all the time in data science and machine learning. So, let’s take a look at how to create them. Let’s first import numpy. import numpy as np Next, let’s try to create our first vector row. np.array([1,2,3,4]) # array([1, 2, 3, 4]) Wasn’t
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How To Add/Subtract With Numpy Matrices
Adding/Subtracting With Matrices Adding and subtracting matrices is a fundamental part of linear algebra and a lot of data science techniques. Let’s take a look at how to add/subtract with numpy arrays and matrices. First, let’s import numpy and create some matrices to practice our operations with. import numpy as np a = np.array([[1,2,3,4],[5,6,7,8],[9,10,11,12],[13,14,15,16]])
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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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How To Change Navigation Bar Color iOS Swift 5
Sometimes you will want to change the color of your navigation bar for branding purposes, and it is actually pretty easy to do. Use the following snippet in your view controller in viewDidLoad to change the color you would like. // get the navigation bar from the current navigation controller if there is one let
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Introduction to Core ML
In the introduction to the new framework at WWDC 2017, the speakers made some interesting revelations. Check out my notes below: CoreML is a lower level library that offers a bunch of prebuilt models such as SVMs, Neural Networks, Random Forrests etc… If you don’t want to work at the model level, there are 2
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Pycon 2017 Notes
Pycon 2017 just finished recently in Portland last week and you can check out the videos here. As I go through these videos (there is a lot of them), I’ll be taking notes on what I find useful and post them here.
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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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