Watching a sorting, grouping, or just a defragmentation process graphically is both educational and curiously satisfying. So, I created a Python script that sorts a set of randomly placed, randomly colored, ungrouped tiles on a board by colors so that all like-colored tiles are placed consecutively, adjacently. Think of it like the good old Windows […]
Tag: education
How much does it cost to retire in each state?
Recently, I collected data on cost of living, and average longevity in every state + D.C. From the data, I derived the COLI, or Cost of Living Index, which is then normalized to 100 (where 100 represents the national average cost of living). Additionally, using data from Bureau of Labor Statistics (BLS), I populated by […]
How to export a Youtube playlist for free
In this post, I’ll explain the steps to export your playlist on Youtube or one that’s shared with you for free. No, not the actual content like music tracks or videos, as for that, you’ll need a premium account, but the list of names such as artist or author names, tracks or video titles, and […]
Population Stats – USA and the World
BIRTH RATES, DEATH RATES, ANNUAL GROWTH RATES FOR THE USA AND THE WORLD. At present (2024), in the United States, there is approximately 1 birth every 8.08 seconds. In the world, there are 256 births per minute (including USA). There are 323 deaths per hour in the USA, compared to 106 in the world (including […]
Calculating Margin of Error
The margin of error (MOE) for a survey tells you how near you can expect the survey results to be to the correct population value. It assesses the precision of a survey’s estimates. This is immensely useful and necessary for quality assurance.A smaller margin of error suggests that the survey’s results will tend to be […]
Crime rates comparison: US Cities
Recently, I came across two articles, one titled “15 Cheapest, Safest Places To Live in the US” and another titled “12 Cities With Really High Salaries and Really Low Costs of Living”. You can read more about their methodologies on their respective sites if you’re interested. However, these artciles prompted me to ask questions on […]
GDP Per Capita and PPP Adjusted GDP
We all know GDP (Gross Domestic Product), and GDP Per Capita is calculated by dividing the GDP of a nation by its population. Essentially, it represents how much economic production value can be attributed to each individual citizen. In this post, I present GDP=PPP and compare it to GDP Per Capita for selected countries to […]
Gini Coefficient and how to calculate it
The Gini Coefficient is a way to measure the income distribution of a population. The value for the Gini coefficient ranges from 0 to 1 where higher values represent greater income inequality and where: 0 represents perfect income equality (everyone has the same income) and 1 represents perfect income inequality (one individual has all the […]
Conditional Formatting Presentation (Excel)
Microsoft Quarterly Report was publicly released on April 25, 2024. It has tabulated data on year over year percent change in revenues by Microsoft fiscal quarter (Q1 is from July 1 through September 30). I tabulated the data from fiscal year 2023 Q1 through Q4, and from fiscal year 2024 Q1 through Q3 (Q4 data […]
Dumbbell Chart (Excel)
Dumbbell chart, aka Connected Dot plot is a type of chart that’s suitable for visually comparing values especially between two periods or showcase change. In this post, I demonstrate its usefulness as well some key steps on how to create one in Microsoft Excel (Office 365). Let’s start with the data. I have some data […]