Machine Learning – The Craft of Data

Classification

Blight Class Imbalance Data Cleaning Data Science Detroit Exploratory Data Analysis Feature Engineering LightGBM logistic regression Machine Learning Pandas SMOTE Storytelling

Understanding and predicting compliance for property maintenance fines in Detroit

Sayan Das April 19, 2021

Back when I first tackled this project I didn’t really understand, rather pay attention to, the actual business problem being addressed. Like a lot of “Understanding and predicting compliance for property maintenance fines in Detroit”

Topic Modeling

Bag of Words Gensim Latent Dirichlet Allocation Lemmatization Machine Learning Natural Language Processing NLTK POS Tagging PyLDAvis Python tfidf vectorizer Tokenization Topic modeling

Identifying keywords, topics and summaries using text data from Stack Exchange sites

Sayan Das May 17, 2020

This is the first time I am covering topic modeling which is one of the cornerstones of Natural Language Processing (NLP). This useful technique is “Identifying keywords, topics and summaries using text data from Stack Exchange sites”

Clustering

Atlanta Clustering Exploratory Data Analysis Folium Foursquare Machine Learning Pandas Python

Determining an ideal location for opening a retail store in Atlanta

Sayan Das February 24, 2019

Finding the right location for a retail store is crucial to the long-term growth and sustainability of the business. In a world where physical clothing “Determining an ideal location for opening a retail store in Atlanta”