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BigData News Tuesday, March 20 Logistic regression, Multinomial logistic regression, Evolutionary algorithms & more…

BigData News TLDR / Table of Contents

  • Free eBook: Applied Data Science (Columbia University)
    • Published in 2013, but still very interesting, and different from most data science books. Authors: Ian Langmore and Daniel Krasner.. This book focuses more on…
    • logistic regression, Multinomial logistic regression, Classic Regression Models, Common Git Workflows, data science books
  • Neural Network Algorithms – Learn How To Train ANN
    • Top Neural Network AlgorithmsLearning of neural network takes place on the basis of a sample of the population under study. During the course of learning, com…
    • evolutionary algorithms, neural networks, neural network, ,
  • Child abuse imagery found within bitcoin’s blockchain
    • Researchers discover illegal content within the distributed ledger, making possession of it potentially unlawful in many countries
    • Child abuse imagery, Guardian, , ,
  • Published in 2013, but still very interesting, and different from most data science books.
  • This book focuses more on thestatisticsend of things, while also getting readers going on (basic) programming & command line skills.
  • Source for picture: check page 68 in the book.
  • You can download the book here.
  • For other related books, check out our recommended reading list.

Tags: logistic regression, Multinomial logistic regression, Classic Regression Models, Common Git Workflows, data science books

  • Let us now see some important Algorithms for training Neural Networks: – – We use thegradient descent algorithmto find the local smallest of a function.
  • In this algorithm, you move over the error surface by following the line with the greatest slope.
  • Together with neural networks, they form the second type of algorithm.
  • The steps for executing genetic algorithms are: – – Crossing of 2 rules is exchange of some of their variables or categories to produce 2 new rules.
  • Algorithm ends when 1 of the following 2 conditions meets: – – In Conclusion, Artificial Neural Network is typically difficult to configure and slow to train, but once prepared are very fast in the application.

Tags: evolutionary algorithms, neural networks, neural network, ,

  • German researchers have discovered unknown persons are using bitcoins blockchain to store and link to child abuse imagery, potentially putting the cryptocurrency in jeopardy.
  • Although court rulings do not yet exist, legislative texts from countries such as Germany, the UK, or the USA suggest that illegal content such as [child abuse imagery] can make the blockchain illegal to possess for all users.
  • Since mining is essential for the function of bitcoin, as the process records the transactions into the blockchain to verify trades and generates new bitcoin in the process, having illegal content such as child abuse imagery within the blockchain could cause significant issues for the currency.
  • We anticipate a high potential for illegal blockchain content to jeopardise blockchain-based systems such as bitcoin in the future, the researchers wrote.
  • The agency warned that the technology could be used in the sharing of child sexual abuse images where the blockchain could become a safe haven for hosting such data.

Tags: Child abuse imagery, Guardian, , ,

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