Byte-Sized-Chunks: Decision Trees and Random Forests
MP4 | Video: AVC 1280×720 | Audio: AAC 44KHz 2ch | Duration: 4 Hours | 1.34 GB
Genre: eLearning | Language: English
Cool machine learning techniques to predict survival probabilities aboard the Titanic – a Kaggle problem!
In an age of decision fatigue and information overload, this course is a crisp yet thorough primer on 2 great ML techniques that help cut through the noise: decision trees and random forests.
Prerequisites: No prerequisites, knowledge of some undergraduate level mathematics would help but is not mandatory. Working knowledge of Python would be helpful if you want to run the source code that is provided.
Taught by a Stanford-educated, ex-Googler and an IIT, IIM – educated ex-Flipkart lead analyst. This team has decades of practical experience in quant trading, analytics and e-commerce.
What’s Covered:
Decision Trees are a visual and intuitive way of predicting what the outcome will be given some inputs. They assign an order of importance to the input variables that helps you see clearly what really influences your outcome.
Random Forests avoid overfitting: Decision trees are cool but painstaking to build – because they really tend to overfit. Random Forests to the rescue! Use an ensemble of decision trees – all the benefits of decision trees, few of the pains!
Python Activity: Surviving aboard the Titanic! Build a decision tree to predict the survival of a passenger on the Titanic. This is a challenge posed by Kaggle (a competitive online data science community). We’ll start off by exploring the data and transforming the data into feature vectors that can be fed to a Decision Tree Classifier.
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