Anyone About to Leave? Predicting the Customer Churn of a Telecommunications Provider
Telecommunications service providers face considerable pressure to expand and retain their subscriber base. One of the biggest cost factors are customers cancelling their contracts. Innovative service providers therefore have learned to use machine learning to predict which of their customers … Continued
Hyperparameter Tuning with Grid Search at the Example of a Random Forest Classifier with Python
The functionality of machine learning models can be controlled with their hyperparameters. The choice of these parameters often has a significant impact on model performance and, in practice, can make the difference between sufficient and outstanding performance. Data scientists therefore … Continued
Feature Engineering for Multivariate Time Series Prediction with Python
Multivariate time series predictions and especially stock market forecasts pose challenging machine learning problems. Unlike univariate forecasting models, multivariate models do not rely exclusively on historical time series data, but use additional functions that are often developed from the time … Continued
Simple Sentiment Analysis using Naive Bayes and Logistic Regression
Sentiment Analysis refers to the use of Machine Learning and Natural Language Processing (NLP) to systematically detect emotions in text. In recent years, sentiment analysis found broad adoption across industries. One reason for its popularity is, that it is increasingly … Continued
Building Multivariate Time Series Models for Stock Market Prediction with Python
Time series prediction has become a major domain for the application of machine learning and more specifically recurrent neural networks. Well-designed multivariate prediction models are now able to recognize patterns in large amounts of data, allowing them to make more … Continued
Will they Buy or just Browse? Predicting Purchase Intentions of Online Shoppers with Python
Many online shops welcome countless visitors each day. However, only a fraction of these visitors will actually make a purchase. The rest just browses through the websites and does not make a transaction. This blog post is dedicated to the … Continued