Woman Light Tunnel

Resources for Debian GNU/Linux on a Dell Inspiron 5100 laptop

This is a compilation of resources for a Debian GNU/Linux installation on a Dell Inspiron 5100 Laptop. Hopefully, it provides a starting point for those interested in getting a working installation. Please use the information and links presented here at …

What is a D-ring?

What is a D ring?

A D ring is a ring shaped like the letter D. But that’s just the tip of the iceberg… While researching the best way to hang my mirror, I found D rings are used in a multitude of ways and …

Gadget Graph

What is an exchangeability martingale?

Exchangeability martingales can be used to find strange or odd data points. The mechanics of exchangeability martingales is still a bit of a mystery to me. However, posted below are the basic components and how each step gets us to …

Broken Chain

Broken link checker analysis with R

You’ve found a few broken links on your blog or web site, and now you wonder whether there are more. Here’s a quick way to get a sense of how big the problem is. You could basically take 2 different …

Eye Scan

Book Scanning: Step 3, Use ABBYY for OCR to produce an eBook

In a previous post, I walked through how to pre-process the captured content to maximize successful optical character recognition (OCR) . In this post, we’ll use ABBYY FineReader for optical character recognition (OCR) to produce an eBook. Getting a physical …

Book Magic

Book Scanning: Step 2, Pre-process the captured content using Scan Tailor

In a previous post, I broke down how to capture the physical book content using a camera. We’ll go over how to pre-process the captured content to maximize successful optical character recognition (OCR). Getting a physical book onto your Kindle …

Camera on books

Book Scanning: Step 1, Capture the book content

Tired of paying for Kindle ebooks? Here’s how you can make your own! Getting a physical book onto your Kindle requires 3 basic steps: Capture the book content using a camera. Pre-process the captured content using Scan Tailor. Use ABBYY …

teamwork

R set working directory using copy and paste

After using Windows Explorer to navigate to a directory, I just want to copy and paste the directory in R, but I get this error: I used the setwd() function and pasted the directory, but there is an answer! By …

dice_cube

Expected values in software testing

Expected  values are valuable in statistics and in software testing. However, they generally mean different things. How do they differ, and how can one be applied to the other? What is expected value? Expected value is also referred to as …