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Aldrin Tumayao

Data Analysts

I am Aldrin Tumayao, an aspiring data analyst completely finish data analytics training course. With a keen interest in data and its insights, I am determined to develop my skills and knowledge in data analysis, and pursue a career in this exciting field.

As an aspiring data analyst, I understand the importance of data-driven decision-making in today's fast-paced business world. I believe that data analysis is not just about numbers and statistics, but also about understanding the story behind the data. With a logical approach to problem-solving and a keen eye for detail, I am well-suited for success in this field.

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Every Data is Meaningful

Hello everyone, my name is Aldrin Tumayao and I am an aspiring data analyst. I have always been fascinated by the power of data and how it can be used to inform decision-making and drive business outcomes. completely finish my training course, a program that helps individuals develop the skills and knowledge needed to become successful data analysts. Through Refocus, I am learning a wide range of data analytics and visualization techniques, as well as best practices for data Yellevate's Dispute problem and Clockter HR Department during group project. I am excited to apply these skills in a real-world setting and to work with businesses and organizations to help them make data-driven decisions.

One of the things that I find most exciting about data analysis is the opportunity to solve complex problems and uncover insights that might not be immediately obvious. I enjoy working with large data sets and using tools such as EXCEL,SQL,Power BI and PYTHON to create compelling visualizations that help bring data to life.

LinkedIn Profile

SKILLS CHART

POWER BI 92%
SQL 90%
EXCEL 94%
PYTHON 89%

Our Services

Microsoft Excel

Microsoft Excel allows data analysts to perform basic data cleaning and manipulation, create pivot tables and charts, and perform statistical analysis using built-in functions. Excel is also widely used in finance and accounting for financial modeling, forecasting, and budget planning.

PostgreSQL

PostgreSQL is a powerful open-source relational database management system that can be used to store and manage large amounts of data. write complex SQL queries to extract and transform data, and create views and reports to analyze data. also supports advanced features like indexing, partitioning, and replication, which can improve query performance and data availability.

Power BI

Power BI enables data analysts to quickly, easily transform data visualization tool that can be used to create interactive dashboards and reports. Analysts can use Power BI to connect to multiple data sources, create data models, and design visualizations to communicate insights and trends to stakeholders.

Python

Write scripts and programs to automate data processing and analysis tasks, create visualizations using libraries like Matplotlib and Seaborn, and perform statistical analysis using libraries like NumPy and Pandas, which can be used to build predictive models and analyze complex data.

Portfolio

Group Projects

Elevate Yellavate Analysis

This is a group project assignment at Refocus Digital Academy to Elevate Yellavate and Identified the problem facing the invoice disputes, cleaned and manipulated data Using Excel and SQL.

Clockster-Human Resourse Management Analysis

This is a group project assignment using Power Bi,Identify the most disciplined and undisciplined employees and divisions, Provided insight, dashboard and recommendations to the HR department.

Power Bi

Inian Delivery Company analysis

Calculating business metrics for a delivery company,median time with weather condition,average time for delivery of a vehicle type.

Olist Store e-Commerce Analysis

Olist Store is a Brazilian e-commerce platform that was founded in 2015. The platform enables small and medium-sized businesses to sell their products online, without the need for their own e-commerce website.

Excel

Amazon India

Clean the data using basic Excel functions and methods to prepare the data for further analysis and visualization.

Business Metrics

Calculate Business Metrics Using Excel such as Financial Viability,Website Performance and Customer Satisfaction.

SQL

Still Working On It

Python

RFM Analysis

This Analysis contains credit card transactions from the State of Oklahoma. It includes information on purchases made through the purchase card programs administered by the state and higher educational institutions.

Hotel Booking Cancellations

This Analysis company owning a city hotel in a metropolitan area and a resort hotel located near a coastline both within the United States, you've been assigned by your manager to provide insights on the recent rise of hotel booking cancellations in both hotels for the past few months.

Certificate

Refocus Data Analytics Advanced Track Certificate

July 2023

I have completed the advanced track of the Data Analytics program of Refocus. The advance track comprises of Microsoft Power Bi, Python, Group Project 2 and Final Project. I have completed 50 hours of video lectures, assessments, and self-study. With 6 assignments passed a lot of skills acquired. During the advanced track, I have also finished the Group Project: Clockter-Human.

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DICT Training Certificate

June 2023

I have successfully completed the 3 hours of training on data cleaning, analying data, visualization with python

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DataSence Analytics Certificate

June 2023

I have successfully completed the 6 hours of professional development on Business intilligence with Microsoft Power Bi and Passed the Quiz. During the training I increased my knowledge in visualization dashboard.

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DataSence Analytics Certificate

May 2023

I have successfully completed the 6 hours of professional development on fundamentals of statistics with Microsoft Excel and Passed the Quiz. During the training I learned a new knowledge of fundamental statistics on Microsoft Excel.

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Refocus Data Analytics Core Track Certificate

December 2022

I have completed the core track of the Data Analytics program of Refocus. The core track comprises of Microsoft Excel, PostgreSQL,and Group Project 1. I have completed 50 hours of video lectures, assessments, and self-study. With 14 assignments passed a lot of skills acquired. During the core track, I have also finished the Group Project: Elevating Yellavate.

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