Daily Dose of Data Science

Daily Dose of Data Science

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Sklearn

7 Categorical Data Encoding Techniques
...summarized in a single frame.
 • 
Avi Chawla
1
Accelerate tSNE with GPU
Over 30x faster tSNE than Sklearn.
 • 
Avi Chawla
ANN-driven KMeans with Faiss
20x speedup over sklearn.
 • 
Avi Chawla
Categorization of Clustering Algorithms
6 types of clustering algorithms in a single frame.
 • 
Avi Chawla
Avoid Using PCA for Visualization Unless
...this plot says so.
 • 
Avi Chawla
KernelPCA vs. PCA for Dimensionality Reduction
...and when to not use KernelPCA.
 • 
Avi Chawla
DBSCAN++: The Faster and Scalable Alternative to DBSCAN
Addressing major limitations of DBSCAN.
 • 
Avi Chawla
2
How Decision Tree Computes Feature Importance?
The underlying mathematical details.
 • 
Avi Chawla
3
Sparse Random Projections
An alternative to PCA for highly dimensional datasets.
 • 
Avi Chawla
Cost Complexity Pruning in Decision Trees
Decision trees always overfit. Prevent it this way.
 • 
Avi Chawla
2
How to Inspect Decision Trees After Training with PCA
Understanding the structural formulation of decision trees and how it can be problematic at times.
 • 
Avi Chawla
Visualise a Confusion Matrix Using Sankey Diagram
An unexplored direction of visualising a confusion matrix.
 • 
Avi Chawla
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