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Portifolio

Welcome to my portfolio page, where I enthusiastically share my creative journey and achievements. This is the place where I turn ideas into tangible reality and bring to life projects that inspire me.

Every project you'll find here is a piece of my imagination taking shape.

This portfolio page is more than just a showcase of projects; it is an expression of my passion and dedication. I invite you to explore, be inspired and connect with me.

Data visualization & analysis

Development of professional dashboards using tools such as: Power Bi and excel

Knowledge of project management

Using agile methods to ensure successful execution

Storytelling with data

Developing visual narratives to facilitate the communication and interpretation of strategic insights.

 March 2025

This dashboard analyzes consumer behavior in ecommerce, highlighting indicators such as turnover, number of orders, most purchased product categories and performance by sales channel. It segments data by age group, gender and channel, revealing preferences and purchasing patterns. It also assesses customer satisfaction and brand loyalty, as well as identifying seasonal peaks in sales. The information helps define marketing strategies and optimize the user experience.

[Click here to read the full report]

 December 2023

This project was developed to tackle the Kaggle "Digit Recogniser" challenge. The challenge involves classifying handwritten digits from zero to nine. The training data consists of 28x28 pixel grey-scale images, totalling 784 pixels per image.

Convert pdf to ppt

 September 2023

This project aims to create a tool that transforms a PDF file into a PowerPoint presentation. It automates the process of extracting PDF pages and converting them into images to then insert them into PowerPoint slides. This makes it easy to create presentations from existing documents, saving time and effort. The code uses libraries such as PyMuPDF and python-pptx to manipulate the files, ensuring content preservation and proper formatting. With this tool, users can quickly transform reports, articles, or documents into presentations ready to share or present.

Python script to extract all tables from PDFs

 September 2023

This script extracts tables from PDFs, creating an Excel sheet for each table. Each sheet is named after the table title, and the Excel file has the same name as the PDF. The aim is to ensure that the extracted data is accurate and organised.

Data modeling

 August 2023

Exploring the essence of database modeling: unveiling the behind-the-scenes of a purchase order, revealing the step-by-step and detailed structuring of the database involved

Real World Smartphone's Dataset

July 2023

In this analysis, I explore data collected from various sources by scraping the web to understand the nuances of the smartphone market. I examine the main features, the preferred brands, the predominant operating systems and the correlations between price and quality. Using graphs and statistics, I gain insights into consumer choices and the dynamics of the mobile device sector.

E-commerce

July 2023

In this comprehensive analysis of e-commerce data from 2015 to 2020, we'll reveal crucial insights into performance over the years. From overall sales figures to distribution by continent and highlighting the best sellers.

© 2023 por Vicky Costa.

Networking
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