Scarlat Machine Learning

DaliHead.png

Web apps

Screen Shot 2018-10-18 at 7.06.32 PM.png eyes4.me – identifies items in photos and pronounces them over the speaker – for the blind
cropped-logo300x300.png Text2Codes – extracts medical terms from free text over the web using NLP
Screen Shot 2018-09-05 at 4.24.52 PM.png DogBreed.io – identifies a dog breed in an image with 97% accuracy

Competitions

Screen Shot 2018-08-18 at 11.27.28 PM.png Hand written digit recognizer  Top 2% Kaggle competition July 2018
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House prices prediction Top 3% Kaggle competition July 2018

Projects / Public Kernels

Screen Shot 2018-12-24 at 11.13.43 PM.png Unsupervised Anomaly Detection in Antibiotic Resistance Patterns
Screen Shot 2018-11-25 at 3.42.37 PM.png Identify Melanoma in Images with 95% accuracy
tenor.gif Predict Hospital Mortality of ICU Patients (MIMIC3)
Screen Shot 2018-11-04 at 6.38.20 PM.png Predict Hospital Length of Stay LOS  (MIMIC3)
Screen Shot 2018-10-14 at 5.28.52 PM.png Weather temperature prediction time sequence analysis
Screen Shot 2018-08-19 at 12.20.42 AM.png IMDb sentiment analysis – predicting movies’ ratings based on their text reviews with supervised binary classification
Screen Shot 2018-08-19 at 12.18.18 AM.png Document classification – Reuters news
Multi-class, mutually exclusive, classification of free text news
Screen Shot 2018-08-18 at 10.59.07 PM.png Unsupervised Anomaly Detection in credit card transactions with Multivariate Gaussian Probability Distribution
Screen Shot 2018-08-19 at 12.14.09 AM.png Comparison of 14 linear regression models with a NN
Cross validation, model evaluation, hyper-parameters optimization
Screen Shot 2018-08-19 at 12.09.26 AM.png MNIST digit identification
Old challenge and some new tricks – 99.75% accuracy identifying hand written digits
Screen Shot 2018-08-19 at 12.22.28 AM.png Feature engineering via pipeline
Model learning curves, control under and overfitting

Machine Learning Primer for Clinicians

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A series of articles on ML with no math and no programming,  published on HIStalk blog

  1. Introduction to ML
  2. Supervised Learning
  3. Unsupervised Learning
  4. How to Properly Feed Data to a ML Model
  5. How Does a Machine Actually Learn
  6. Artificial Neural Networks Exposed
  7. Controlling the Machine Learning Process
  8. Predict Hospital Mortality
  9. Predict Hospital Length of Stay
  10. Anomaly Detection in Antibiograms
  11. Basics of Computer Vision 
  12. Identify Melanoma in Images

Tools

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Python, Octave, Matlab, SciPy, Scikit learn, Pandas, Matplotlib, NumPy, TextRazor, Jupyter, RapidMiner, NLTK, Keras + TensorFlow

Image: Salvador Dali (1951): Raphaelesque Head Exploding

Updated January 16, 2019

drscarlat@gmail.com

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