Machine Learning Algorithms Problem Types

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Types of problems we can solve with machine learning:

  • Regression- helps establish a relationship between one or more sets of data

    • Algorithms
      • Simple linear regression
      • Multiple Linear Regression
      • Polynomial Regression
      • Support Vector Machines (SVR)
      • Decision Tree
      • Random Forest Regression
    • Sample problem: calculate the time I get to work based on the route I take and the day of the week
  • Classification – helps us answer a yes/no type of question based on one or more sets of data

    • Algorithms
      • K Nearest Neighbors (KNN)
      • Kernel SVM
      • Logistic Regression
      • Naïve Bayes
      • Decision Tree
      • Random Forest Classification
    • Sample problem: will I be late or on time based on the route I take and the day of the week
  • Clustering – helps us discover clusters of data

    • Algorithms
      • Hierarchical Clustering
      • K Means
    • Sample problem: classify the customers into specific groups based on their income and spending
  • Association – helps determine an association among multiple events

    • Algorithms
      • Apriori
      • Eclat
    • Sample problem: if I like movie A, what other movies will likely to enjoy
  • Reinforcement – helps to better exploit while exploring

    • Algorithms
      • Thomson Sampling
      • UCB
    • Sample problem: we want to determine the most effective treatment. Instead of conduction a long-term random trial, use UCB or Thompson Sampling to determine the best treatment in a shorter interval
  • Natural Language Processing

    • Algorithms
      • Any classification algorithm, but most popular are Naïve Bayes and Random Forest
    • Sample problem: determine if an amazon review is positive or negative
  • Deep Learning – can help determine hard to establish non-linear relationships between multiple input parameters and some expected outcome

    • Algorithms
      • Artificial Neural Networks (ANN)
      • Convolutional Neural Networks (CNN) – especially helpful when processing images
    • Sample problem: based on the credit score, age, balance, salary, tenure… determine if a customer is likely to continue using your service or leave
Categories: Data Science

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