Python-bloggers

The third in the series of Python Pandas tutorials. In this session we look at setting values, performing operations on data frames and histogramming.

In the previous post we worked with a custom data set we had created for the purposes of demonstration. This time we are going to work with the gapminder dataset. Viewing the gapminder dataset To initialise the gapminder dataset in my project I will use the below import statements to ...

tl;dr Convolutional Neural Networks (CNN) are used for the majority of applications in computer vision. You can find them almost everywhere. They are used for image and video classification and regression, object detection, image segmentation, and even playing Atari games. Understanding the convolution layer is critical in building successful ...

We will provide a walk-through example of how you can choose the most important features. For this example, we will ... Read moreFeature Selection in Python

Data transformation underpins digital transformation Over the past two decades, digital-first startups such as Uber, Amazon, Airbnb, and Stripe have disrupted vital industries such as transportation, commerce, travel, and banking. Organizations acros...

I’m pleased to present a new O’Reilly Online Learning session entitled “Python for Excel Users: First Steps” on Friday October 30th at 12p Eastern. The session is free to attend for all subscribers to the fantastic O’Reilly Online Learning platform. Check your employer or university for an ...

Definition of Decision Boundary In classification problems with two or more classes, a decision boundary is a hypersurface that separates ... Read moreDecision Boundary in Python

One of the main reasons behind the rapid innovation and advances in data science has been the proliferation of open-source code-centric tools. This has allowed data scientists and software engineers to build powerful abstractions that make it really ea...

We’re taking a break from our portfolio series and million sample simulations to return to a subject that we haven’t discussed of late despite its featured spot in this blog’s name—options. In this post, we’ll look at the buy-write (BXM) and put-write (PUT) indices on ...