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Monthly Archives: April 2017

Simple LDA Topic Modeling in Python: implementation and visualization, without delve into the Math

The very simple approach to train a topic model in LDA

within 10 minutes!

 

Plot words importance

 

topic modeling, topic modeling python lda visualization gensim pyldavis nltk
data cleasing, Python, text mining, topic modeling, unsupervised learning
Posted on April 25, 2017

Sentiment Analysis model deployed!

I’ve trained a sentiment analysis on simple data set:

Amazon Reviews: Unlocked Mobile Phones

based on the amazon phone purchase reviews. Simple linear SVM classifier using scikit-learn. The code is down below, please scroll down

Yet I’ve successful deployed the model on an AWS server!  original deployment page

Model building

Continue Reading →
Posted on April 17, 2017

tensorflow -2 Neural Network with L2 reg, dropout, decay learning rate, early stopping

fun, learning, tensorflow, tensorflow neural network dropout decay learning rate
deep learning, jupyter notebook, machine learning, Python, tensorflow
Posted on April 16, 2017

What do people say about iphone? LDA topic models built by amazon phone purchased views

Built topic models from the data Amazon Reviews: Unlocked Mobile Phones,

Positive :  Here’s 5 star ratings say, 20 topics version

Continue Reading →
Posted on April 15, 2017

Tensorflow beginning -1 build a classifier step by step

fun, tensorflow, tensorflow python tutorial model network nomnist mnist fun
deep learning, jupyter notebook, machine learning, practice, Python, tensorflow
Posted on April 14, 2017

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Richard Ji

Richard Ji

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