Fluttering in the World
Introduction It’s my third course of MIT MicroMasters® Program in Statistics and Data Science. As for the probability course, I also took a statistics course when I was a graduate student. However, the course in graduate school focused more on real-world cases and applications. That course name is “Introduction to Statistical Control and Optimization”. This …
Continue reading “A Journey of Studying ‘Fundamentals of Statistics’”
Introduction This is my second course in MIT MicroMasters® Program in Statistics and Data Science. I learned probability theory when I was a graduate school student in a stochastic process course. The course helped me review many key probability concepts such as Random variables, Bayesian inference, Central limit theorem, Poisson processes, Markov chain, etc. Overall, …
Continue reading “A Journey of Studying ‘Probability – The Science of Uncertainty and Data’”
In this post, we will go through the essential concept of data visualisation and Tableau skills from my experience. Before the tutorial start, I would like to show you a picture. You can use your imagination to think about what you see. There is no specific answer to the picture. But I’ll share with you …
Data Studio is a free data visualisation tool provided by Google since 2016. Tableau also provides a public version for you to use for free. Until now, I think the major difference between them is Data Studio is online you don’t need to install anything on your desktop or laptop and it can integrate with …
Descriptive statistics is usually done by data visualization and it is quite useful to understand the data and convey your insight. There are many chart types in the data visualization such as bar chart, pie chart, line chart, scatter plot, histogram, heat map, treemap, highlight table, Gantt view, waterfall charts, bump charts and bullet graphs, …
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The easiest way to prove your skill is to obtain a certification. So, I’ll share the process of how I obtained the certification including preparation, registration and getting the certification. Registration Why do I put the registration before tableau preparation? Because you should register the tableau exam before starting preparation. It can make you start …
Continue reading “Getting a Tableau Certification – Tableau Certified Data Analyst”
When I was a student, I learned the concept of the p-value. But I didn’t quite understand what is that. In the course material, it said “The p-value is the smallest level of significance at which H0 would be rejected when a specified test procedure is used on a given data set. Once the p-value …
We always hear the marriage rate is decreasing in recent years. Is it true? Because I live in Taoyuan city, I’ll use the data from my hometown to verify whether it’s a true phenomenon or not here. First, we need to get the data. Where is the data? We can go to the open data …