Decision Trees Contents What are Decision trees Implementation Visualization Gini Index Decision Trees for Regression Overfitting Pruning – Solution to Overfitting Tree Depth Impurity What are Decision Trees Let me take you back to the number guessing game that we…

Naive Bayes Classifier   Data visualization Contents What is Naive Bayes Bayes Theorem & Conditional Probability Naive Bayes Theorem Example – Classify Fruits based on characteristics Example – Classify Messages as Spam or Ham Get dataset EDA Simple data engineering…

Logistic Regression   Data visualization Contents What is Logistic Regression Math logit function sigmoid function Implementation Dataset Modeling Visualization Basic Evaluation Optimization Evaluation ROC Curve Area under ROC Curve References What is Logistic Regression Logistic regression is a type of…

Regression   Data visualization Summary : Regression is a basic Machine Learning Technique. We will be learning Simple Linear Regression, Multiple Linear Regression and Polynomial Regression in this section. On top of the basic technique itself, we will also be…

Python Regular Expressions   Data visualization Extract phone numbers – v1 Extract phone numbers -v2 Extract phone numbers -v3 Extract phone numbers -v4 Extract phone numbers -v5 Extract emails Extract zip codes Log file analysis Challenge Credit cards extractor Word…

What is a lookup ?  How VLOOKUP works VLOOKUP across tabs   Approximate vs Exact Match HLOOKUP SQL Equivalent of VLOOKUP  #N/A error  Number as Text   VLOOKUP works Left to Right only Wildcard or Partial Matches  LOOKUP is case insensitive  Merge…