Data Science

Introduction to ARIMA Models for Newbies

ARIMA (short for AutoRegressive Integrated Moving Average) is a technique for time series analysis and forecasting. It is one of the most widely used approaches for time… ARIMA (short for AutoRegressive Integrated Moving Average) is a technique for time series analysis and forecasting. It is one of the most widely used approaches for time…

17/11/2024 17/11/2024

Mastering Time Series Analysis: An Introduction to ETS Models

Python is one of the most popular programming languages for applied finance and machine learning. In the financial sector, a lot of data is available as time series. For… Python is one of the most popular programming languages for applied finance and machine learning. In the financial sector, a lot of data is available as time series. For…

27/09/2024 27/09/2024 1 reazione

Time Series Analysis: A Beginners Guide with statsmodels

Time series analysis is a powerful statistical method used in many industries, such as finance, healthcare, energy, and marketing. It involves identifying patterns,… Time series analysis is a powerful statistical method used in many industries, such as finance, healthcare, energy, and marketing. It involves identifying patterns,…

27/08/2024 27/08/2024 1 reazione

A Visual Guide to Ensemble Methods + Practical Example

Ensemble methods are a powerful approach in machine learning that combines multiple models to create a more robust and accurate model. Many beginners struggle to… Ensemble methods are a powerful approach in machine learning that combines multiple models to create a more robust and accurate model. Many beginners struggle to…

13/08/2024 13/08/2024 1 reazione

Struggling with Linear Regression? - Theory and Practice Clearly…

Linear Regression is a simple statistical regression method, making it perfect for beginners in predictive analysis. It is a straightforward method, but some aspiring… Linear Regression is a simple statistical regression method, making it perfect for beginners in predictive analysis. It is a straightforward method, but some aspiring…

03/05/2024 03/05/2024 1 reazione

Demystifying DateTimeIndex in Pandas for Time Series Analysis

Time series are everywhere in the financial sector! When processing time series, there are so many points to consider. In this article, we dive right in and show you how… Time series are everywhere in the financial sector! When processing time series, there are so many points to consider. In this article, we dive right in and show you how…

16/02/2024 16/02/2024 2 reazioni

Unlock the Blackbox: Demystifying Machine Learning Explainability!

Machine learning (ML) has great potential for improving processes and products. A challenge is to explain the predictions of the ML algorithms. Trust and transparency… Machine learning (ML) has great potential for improving processes and products. A challenge is to explain the predictions of the ML algorithms. Trust and transparency…

21/11/2023 21/11/2023

Responsible Development of an LLM Application + Best Practices

Do you know how to build an LLM application in a responsible way? No, then you should check out this article. We will cover some peculiarities we have learned in the… Do you know how to build an LLM application in a responsible way? No, then you should check out this article. We will cover some peculiarities we have learned in the…

14/11/2023 14/11/2023

Convert a Time Series into a Classification Problem

This article describes an example project in the context of stock trading. Can we predict with an AI model whether a stock goes up or down the next day? It is precisely… This article describes an example project in the context of stock trading. Can we predict with an AI model whether a stock goes up or down the next day? It is precisely…

07/11/2023 07/11/2023

Efficient Use of KPIs in Data Science Projects

Project controlling is essential in data science projects, as the time required and costs are often difficult to estimate. Clients want to implement their use cases… Project controlling is essential in data science projects, as the time required and costs are often difficult to estimate. Clients want to implement their use cases…

31/10/2023 31/10/2023

Learn How Keyword Search Works and How Language Models can Improve…

Search is everywhere! We all use search engines like Google, Bing, or You.com every day. Moreover, we search for information in apps like YouTube or X. Search is everywhere! We all use search engines like Google, Bing, or You.com every day. Moreover, we search for information in apps like YouTube or X.

27/10/2023 27/10/2023 1 reazione

Univariate Discrete Distributions: An Easy-to-Understand Explanation…

Do you know this? You want to learn something new, but you don’t know where to start. This is how we felt when we wanted to understand distributions mathematically. Yes,… Do you know this? You want to learn something new, but you don’t know where to start. This is how we felt when we wanted to understand distributions mathematically. Yes,…

20/10/2023 20/10/2023

Lamini: Fine-Tune Your Large Language Models with Just 3 Lines of…

Everyone has been talking about Prompt Engineering! But it has several limitations! For example, the model always decides based on the training data (often a large… Everyone has been talking about Prompt Engineering! But it has several limitations! For example, the model always decides based on the training data (often a large…

08/10/2023 08/10/2023 1 reazione

Mastering LangChain: A Beginner Guide

Since the release of ChatGPT, large language models (LLMs) are becoming more and more popular. New LLM-powered tools come on the market almost every day. You can also… Since the release of ChatGPT, large language models (LLMs) are becoming more and more popular. New LLM-powered tools come on the market almost every day. You can also…

07/10/2023 07/10/2023 1 reazione

Exploring Prompt Engineering for Developers: A Practical Guide

On the Internet, you can often find PDFs or websites titled “The 100 Best Prompts to Boost Your Productivity.” These prompts are mostly for tools like ChatGPT to… On the Internet, you can often find PDFs or websites titled “The 100 Best Prompts to Boost Your Productivity.” These prompts are mostly for tools like ChatGPT to…

07/10/2023 07/10/2023 1 reazione

LangChain: Chat with Tesla’s Q2 Earnings Call on YouTube

Don’t have enough time to watch a complete earnings call of a company? Maybe you have only a few questions. Then, it’s not necessary to listen to the whole earnings… Don’t have enough time to watch a complete earnings call of a company? Maybe you have only a few questions. Then, it’s not necessary to listen to the whole earnings…

07/10/2023 07/10/2023 1 reazione

LangChain: Use the Power of GPT to Chat with Earnings Reports of…

Do you want to compare many quarterly reports of public companies? It’s tedious to look through all the quarterly reports by hand. An assistant would be very helpful,… Do you want to compare many quarterly reports of public companies? It’s tedious to look through all the quarterly reports by hand. An assistant would be very helpful,…

06/10/2023 06/10/2023 1 reazione

Detection of Credit Card Fraud with an Autoencoder

Do you want to know how to create an anomaly detector using Python and TensorFlow? Then this article is for you. Credit card companies use anomaly detectors to detect… Do you want to know how to create an anomaly detector using Python and TensorFlow? Then this article is for you. Credit card companies use anomaly detectors to detect…

06/10/2023 06/10/2023 1 reazione

Deploy Your Own MLflow Workspace On-Premise with Docker

MLflow is an open source platform to manage the lifecycle of ML models end to end. It tracks the code, data and results for each ML experiment, which means you have a… MLflow is an open source platform to manage the lifecycle of ML models end to end. It tracks the code, data and results for each ML experiment, which means you have a…

06/10/2023 06/10/2023 1 reazione