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Rubens Zimbres
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Senior Data Scientist at Vecto Mobile - Brazil
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Data Science, Machine Learning, AI, Business Analytics, Deep Learning, IoT
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Vecto Mobile
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Rubens Zimbres's Blog

A Cheat Sheet on Probability

Posted on November 21, 2016 at 2:28am 9 Comments

Neural Networks: The Backpropagation algorithm in a picture

Posted on November 19, 2016 at 9:30am 3 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.…


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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