Regression is a statistical methodology that describes the relationships between a continuous explained variable and a set of explanatory variables. In other words, regression models are able to predict the value of a dependent variable y with respect to a…
Recently, the OpenAI team launched ChatGPT, a new deep learning-based conversational tool that promises to improve human-machine interaction in a variety of environments. ChatGPT is designed to understand natural language and provide consistent and relevant responses to questions or comments…
In the world of data science and analysis, time series are a key element, as they represent a very natural source of information: values of a magnitude at different points in time. This is why understanding their properties and knowing…
Nowadays, when talking about neural network models, it is common to mention how many graphics cards they need. For larger ones, there is talk of how many cards are needed, and how many GB of RAM may be required for…
The idea of this article is to save some time for those interested in Elasticsearch and to share some useful concepts and resources. What is Elasticsearch? Elasticsearch is a free, open source, distributed search engine developed in Java capable of…
A few months ago, we wrote a brief summary on the blog about the training and team building days at Damavis that our management and HR team organized last April. And after this magnificent experience and for the second time…
In the last few years, we have seen a great evolution in the Python programming language as it has gained popularity to become one of the most widely used programming languages. The involvement of the community with the development of…
What is MongoDB? MongoDB is an open source NOSQL database. This means that data does not necessarily have to follow a schema. All data is stored in a JSON similar document format known as BSON or Binary JSON and will…
Big Data analytics can be defined as the process by which large volumes of data are examined in order to find hidden patterns, correlations, market trends, customer behaviours, etc. in them. The aim is to obtain information that can help…
Since our Pentaho PDI plugin for Apache Airflow release, we have seen an industry shift towards the usage of Apache Hop for data processing. What is Apache Hop? Apache Hop started (late 2019) as a fork of Kettle PDI, is…