PinnedMarvin RubiainDataDrivenInvestorWhere is “Science” in Data Science?A brief exploration to the nature of data science and how it relates to the scientific method and academic sciences.Jul 10, 2023Jul 10, 2023
PinnedMarvin RubiainDataDrivenInvestorCreating a Tableau Dashboard for the Human Freedom IndexTo see your country’s human freedom condition and compare it with the rest of the world.Aug 20, 2023Aug 20, 2023
PinnedMarvin RubiainPython in Plain EnglishCoding a Backtester for Stock Breakouts in PythonIs a stock really profitable via a breakout strategy? Let’s develop a Python function that answers this.Nov 4, 20234Nov 4, 20234
PinnedMarvin RubiainDataDrivenInvestorData Modeling in Power BIWhy data modeling is a crucial step before analyzing and visualizing data in Power BI? Let’s find out via a Star Schema example.Nov 13, 20231Nov 13, 20231
Marvin RubiainDataDrivenInvestorThe “End of History Illusion”A quick reflection of my past, an illusion of my futureSep 28Sep 28
Marvin RubiainPython in Plain EnglishCreating a Racing Bar Chart Animation with Power Query and PythonLet’s animate the top 15 countries with the most freedom from 2000 to 2021 using Power Query and PythonJun 23Jun 23
Marvin RubiainDataDrivenInvestorHow to Extract WEEKLY Insights from a Daily Dataset in Microsoft Power BIPower BI Date Hierarchy doesn’t have by Week. How can we then visualize weekly aggregation from our daily dataset?Apr 27Apr 27
Marvin RubiainDataDrivenInvestor5 Insights About Data Storytelling From Reading Rosling’s “Factfulness” BookThe book is not about business metrics and dashboards. Instead, it’s about all of us. On how humanity progressed over the past decades.Mar 3Mar 3
Marvin RubiainDataDrivenInvestorWhy Do We Need Data Visualization?Let’s find out how data visualization helps us make sense of patterns, insights, and hope.Feb 5Feb 5
Marvin RubiainDataDrivenInvestorData Preparation in Power QueryLet us find out how to prepare a messy dataset in Power Query for an accurate visualization in Power BI.Jan 29Jan 29
