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Smart investment report: using neural networks to guide ETF investments
From tax calculations to GRU neural networks: see how I used Machine Learning and Macro Edge to build an investment compass and chase Alpha in the ETF market.

Vicky Costa
24 de fev.


Organize sua vida financeira com uma planilha feita para quem vive de atendimentos
Organize sua vida financeira com uma planilha feita para autônomos, freelancers e pequenos negócios. Controle receitas, despesas, lucros e pagamentos pendentes de forma simples e visual. Ideal para quem vive de atendimentos e quer mais clareza sem complicação. Use o cupom VICKY10 e ganhe 10% de desconto. Acesso vitalício, sem mensalidades!

Vicky Costa
30 de mai. de 2025


Como organizar suas finanças no exterior (e ainda economizar com um desconto especial)
Morar fora do Brasil e trabalhar como autônomo traz desafios financeiros únicos: moedas diferentes, clientes internacionais e controles espalhados. Pensando nisso, desenvolvi uma planilha financeira voltada para quem vive essa realidade. O objetivo é simplificar a gestão, trazer clareza e apoiar uma rotina mais organizada, sem complicação e com foco na prática profissional.

Vicky Costa
29 de mai. de 2025


What are data? An explanation for beginners
Data are records of information that, when analyzed, generate insights for business, science and technology in the digital world.

Vicky Costa
14 de mar. de 2025


Top 5 books for beginners in Data Analysis and Data Science
Data are records of information that, when analyzed, generate insights for business, science and technology in the digital world.

Vicky Costa
14 de mar. de 2025


Gauss and Cramer methods: Linear system solutions in excel
How to use Excel to solve linear systems with the Gauss and Cramer methods and straight line analysis, making it easier to learn linear alge

Vicky Costa
21 de fev. de 2025


Fundamentals of Statistics
Statistics is a fundamental science in the field of data analysis, providing the tools and methods needed to collect, organize, analyze,...

Vicky Costa
14 de jun. de 2024


Analyzing the Netflix Catalog
In this post, we're going to explore the Netflix catalog using a dataset available on Kaggle. This analysis will allow us to better...

Vicky Costa
7 de jun. de 2024


Package management
In the world of data analysis, efficiency and organisation are crucial to the success of any project. A fundamental part of this process...

Vicky Costa
31 de mai. de 2024


Predictive statistical modeling
This article expands the understanding of data analysis, focusing now on Predictive Statistical Modeling. We'll dive into the essential...

Vicky Costa
24 de mai. de 2024


Basic statistical modelling
Basic statistical modelling plays a fundamental role in analysing data in a variety of areas, enabling the extraction of meaningful...

Vicky Costa
10 de mai. de 2024


Exploratory analysis
In this article, we will continue our journey of data analysis, focusing on the exploration and analysis of an e-commerce sales dataset. We will discuss methods and techniques for exploring the data, identifying patterns and trends, and creating actionable insights to drive business performance. The Fundamental Role of Data Analysis: Before delving into data analysis techniques, it's important to understand why data plays a crucial role in business success. Data forms the ba

Vicky Costa
3 de mai. de 2024


Exploring the area of data analysis
Data analysis plays a key role in a variety of sectors, offering valuable insights that drive business success. In this article, we'll...

Vicky Costa
26 de abr. de 2024


Data collection and cleaning
Data collection and cleaning are crucial steps in the data analysis process. Without clean, quality data, any analysis carried out can...

Vicky Costa
19 de abr. de 2024


Popular Data Analysis Tools:Introduction
In the current scenario, where the amount of data generated continues to grow exponentially, the use of appropriate tools for analysing...

Vicky Costa
12 de abr. de 2024


Fundamental concepts in data analysis and introduction to computational thinking
In the world today, where the amount of data generated on a daily basis is colossal, the ability to analyse and interpret this data has...

Vicky Costa
5 de abr. de 2024


A Journey Towards Data Analysis
Today, data analysis permeates every aspect of our lives, often imperceptibly. We use essential tools to bring this visualisation to...

Vicky Costa
29 de mar. de 2024
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