John Selvam's repositories
Monotonic-WOE-Binning-Algorithm
Python package that optimizes information value, weight-of-evidence monotonicity and representativeness of features for credit scorecard models (pip install monotonic-binning)
timedisagg
Python package that implements temporal disaggregation models to convert low-frequency to high-frequency time series (pip install timedisagg).
Debit-Card-Segmentation
A compilation of SAS codes and results related to a debit card customer segmentation project
Cost-Sensitive-Churn-Modelling
Converting transaction data to a cost-aware churn model using approximated customer lifetime value and efficient test/control windows.
gcp-billing-analysis
A study of how Google Billing data can be leveraged to understand usage cost for Compute, Storage and BigQuery products
leetcode-sql-unlocked
Through the command line, the user can easily access all ~125 LeetCode SQL/Database questions, even locked ones, and automatically generate the tables in db-fiddle.com.
Probability-of-Default-Model
A sample workflow of how a probability of default (PD) scorecard model is constructed from scratch; workflow uses the monotonic WOE binning algorithm discussed in another repo..(WIP)
Cards-Campaigns-Analysis
Analysis of credit card campaigns.
T-Test-Algorithm-Automation
Codebase to automate outlier detection and elimination across two groups of samples.
machine_learning_examples
A collection of machine learning examples and tutorials.
openrec
OpenRec is an open-source and modular library for neural network-inspired recommendation algorithms
PwC-Case-Loss-Function-Module-
Code that can iteratively detect high loss segments from aggregated data and plot segmented trees.
scikit-learn
scikit-learn: machine learning in Python