"No one is harder on a talented person than the person themselves" - Linda Wilkinson ; "Trust your guts and don't follow the herd" ; "Validate direction not destination" ;

July 28, 2016

Fifth Elephant Day #1 Notes - Part II

Sessions # - Link

Talk #3 - Machine Learning in FinTech
  • Lending Space
  • Credit underwriting system
India
  • 2% Credit card usage
  • 65% of population < 27 yrs
  • Digital foot print (mobile)
  • Identity (Aadhar)
40 Decisions / Minute -> 100 Crores a month

Use Cases / Scenarios
  • Truth Score (Validity of address / person / sources)
  • Need Score (Urgency / Time to respond application)
  • Saver Score (cash flow real-time analytics)
  • Credit Score (Debt to income)
  • Credit awareness score
  • Continuous risk assessments
Talk #4 - Driving Behaviour from Smartphone Sensors
  • For Safety driving using smartphone sensors
  • Spatial / location data
  • Road traffic injuries due to distracted driving
  • Phone usage - 4x crash risk
  • Speedy driving - 45% car crash history
  • Driving behavior analysis / driving feedback
  • GPS + Inertial Navigational sensors (Accelerometer / Gyroscope / Magnetometer)
Characterization
  • Drive detection
  • Event detection
  • Collision detection
Qualification
  • Drive summarization and scoring
  • Risk modelling
Optimization
  • Events, location of events, duration of events
Dynamics
  • Sensors
  • Availability - wide variety across devices
  • Raw Data - noisy, unevenly spaced time series
  • Events - Time scales, combination of sensors
  • Model building - Labelled vs unlabelled data, feature engineering
  • Algorithms - Stream / batch efficiency
Techniques
  • Cluster data 
  • Eliminated uninteresting time periods
  • Classification / Regression models
  • Spectral clustering
Talk #5 - Indian Agriculture
  • Crop rotation literacy
  • Data curation, Query tools on data product
  • Visualization and plotting of Agricultural data
Tak #6 and #7 - Last two talks were from Ecologists
  • Using Image comparison for Big Cat Counting
  • Predicting Big Cat Areas (Territories)
  • Observe Nature, Frame Hypothesis, Design Experiments
  • Confront with competing hypothesis
  • Spacegap program
  • Markov chain Monte-Carlo technique


Happy Learning!!!
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