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Rubens Zimbres
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Latest Activity

Yun D liked Rubens Zimbres's blog post 24 Neural Network Adjustements
Feb 8
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Shashank Khedikar liked Rubens Zimbres's blog post A Cheat Sheet on Probability
Feb 6
Mark Chesney commented on Rubens Zimbres's blog post Matrix Multiplication in Neural Networks
"Great graphic!  Really helps visualize lots of the complex techniques. One question: Why is the column of the first (left-hand) matrix colored red, along with the row of the second (right-hand) matrix?  It almost begins to suggest that the…"
Feb 6
Tailong Lei liked Rubens Zimbres's profile
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Emanuel Woiski commented on Rubens Zimbres's blog post Matrix Multiplication in Neural Networks
"awesome, thanks."
Dec 30, 2017
Emanuel Woiski commented on Rubens Zimbres's blog post Neural Networks: The Backpropagation algorithm in a picture
"Thanks for sharing. Cheers."
Dec 30, 2017
Emanuel Woiski commented on Rubens Zimbres's blog post A Cheat Sheet on Probability
"Thanks for sharing your cheat sheet."
Dec 30, 2017
Parmod Kumar liked Rubens Zimbres's blog post A Cheat Sheet on Probability
Nov 23, 2017
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Rodney Jones commented on Rubens Zimbres's blog post A Cheat Sheet on Probability
"Many thanks! A useful aide-memoir."
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Profile Information

Short Bio
Senior Data Scientist at BOOST Machine Learning - Brazil
My Web Site Or LinkedIn Profile
http://https://br.linkedin.com/in/rubens-zimbres
Field of Expertise
Analytics, Data Integration, Visualization, BI, Big Data, Data Science
Professional Status
Consultant
Years of Experience:
13
Your Company:
BOOST Machine Learning
Industry:
Consulting Management
Your Job Title:
Dr.
How did you find out about DataScienceCentral?
LinkedIn
Interests:
Finding a new position, Networking, New venture
What is your Favorite Data Mining or Analytical Website?
http://wolfram.com

Rubens Zimbres's Blog

A Cheat Sheet on Probability

Posted on November 21, 2016 at 2:28am 7 Comments

Neural Networks: The Backpropagation algorithm in a picture

Posted on November 19, 2016 at 9:30am 2 Comments

Here I present the backpropagation algorithm for a continuous target variable and no activation function in hidden layer: although simpler than the one used for the logistic cost function, it's a proficuous field for math lovers.

Matrix Multiplication in Neural Networks

Posted on November 16, 2016 at 11:00am 4 Comments

This post is the outcome of my studies in Neural Networks and a sketch for application of the Backpropagation algorithm. It's a binary classification task with N = 4 cases in a Neural Network with a single hidden layer. After the hidden layer and the output layer there are sigmoid activation functions. Different colors were used in the Matrices, same color as the Neural Network structure (bias, input, hidden, output) to make it easier to understand.…

Continue

24 Neural Network Adjustements

Posted on October 27, 2016 at 7:30am 0 Comments

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At 9:50am on June 26, 2016, Syed Danish Ali said…

you are wlcome rubens . cheers! :) 

 
 
 

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