The concept of degrees of freedom is essential in statistical analysis, and it is commonly used in various statistical tests. In this blog post, we will explore A) Without any restriction B) With a restriction C) Degrees of freedom in contingency tables D) Bessel’s correction with examples. This will help you to understand degrees of …
Demystifying Degrees of Freedom with Visual Examples: A Beginner’s Guide Read More »
William Sealy Gosset, an English statistician who was also a beer brewer, developed the t-test. He used this test to ensure the consistency and quality of the beer he produced. Gosset published his work under the pseudonym “Student”, which is why the t-test is also known as the Student’s t-test. There are three types of …
Blockchain technology has gained popularity in recent times. This article covers some of the fundamental concepts associated with it, including: What is blockchain? Why do we need blockchain? How does blockchain ensure trust? Who invented it? When to use it? When not to use it? So, let’s get started. What is blockchain? Why do we …
Learn how to apply a Naïve Bayes classification model to solve a Natural Language Processing (NLP) problem in Python in this article. Here are the steps we will cover: Download a sample dataset Split the dataset into test and train data Vectorize the data Build and measure the accuracy of the model References Further reference …
Naïve Bayes Classification Model for Natural Language Processing Problem using Python Read More »
Good luck finding someone qualified… The SEC is apparently about to make it a requirement for public companies to report on “the board of directors’ cybersecurity expertise, if any, and its oversight of cybersecurity risk”.1 Some details: Why would it be hard to find someone like this? But here’s the rub And there are some …
So you’re looking for a cyber security board member for your public company Read More »
People who don’t have to do it seem to not understand the nature of the cyber threat. This very short summary is intended for everyone who is responsible for it to hand to everyone else to help start a conversation and gain mutual understanding. The 6 questions people are commonly taught to ask are: who, …
AI, Neural Nets, and Complexity of the Brain Quantum cryptography and its real effect on current systems Will training help to counter influence operations? Blockchain, distributed ledger, and crypto-currency Don’t trust zero trust Basics of complexity and granularity and tradeoffs of space and time Granularity of control and adding dimensions lead to the modeling problem …
Every once in a while I come across something interesting with substantial potential impacts but that differs from the common misconceptions. Many of them I point out with a fevered disdain of foolishness, while others I view more philosophically. This article is about some recent results that I think are worth attention, that are counter …
Some results in cybersecurity and why they may be interesting Read More »
