Damavis Summary of week 21, 2021

Avoiding UDFs in Apache Spark, working in Damavis, and a guide to discovering which open-source tool is the right for your project
Avoiding UDFs in Apache Spark, working in Damavis, and a guide to discovering which open-source tool is the right for your project
Demand forecasting and suitable pricing are two key factors in any business. In the hotel context in particular, and more specifically in the online segment, these tasks are of vital importance due to the dynamic nature of prices and high…
It is well known that the use of UDFs (User Defined Functions) in Apache Spark, and especially in using the Python API, can compromise our application performace. For this reason, at Damavis we try to avoid their use as much…
Demand forecasting model, a dynamic programming application and a job offer at Damavis
What is dynamic programming? Dynamic programming (DP) is a computer programming method which consists in breaking down a complex problem into smaller problems, usually in a recursive way. Then, these problems are solved one at a time, typically storing the…
Advanced Airflow, creation of machine learning pipelines and artificial intelligence in supermarkets
In this article we are going to tell you some ways to solve problems related to the complexity of data engineering itself. An Airflow DAG can become very complex if we start including all dependencies in it, and furthermore, this…
Simple perceptron, machine learning at airports, and the artificial intelligence act