by Gary Li | Oct 19, 2021 | Gary Li
The sinking of the Titanic is one of the most severe shipwrecks in the world. Today I will use a Decision Tree model to predict who may become survivors. The data set comes from https://www.kaggle.com/c/titanic, which contains two CSV format files; one is the train...
by Gary Li | Oct 19, 2021 | Gary Li
In this blog, I am going to show you how to make the radial column chart and demonstrate this using the sample Super Store data set Data Densification Data densification is a way to increase the number of observations in the dataset. For example, you need to perform...
by Gary Li | Oct 11, 2021 | Gary Li
Do you think of visualizing calendar dates in a circular view? If not, I will show you how to make a Calendar Circle Chart achieve it. The approach is to make all the dates in a year in seven-layer circles with the dates grouped by months. I will demonstrate it by...
by Gary Li | Sep 21, 2021 | Gary Li
In this blog, I will make ASX200 stocks market dashboard with the moving average convergence divergence (MACD) indicator in the tableau. The MACD indicator is a common tool used by traders to identify the stock momentum. Data preparation Yahoo!...
by Gary Li | Sep 18, 2021 | Gary Li
People are always trying to find a specific relationship between things in their daily lives. For example, is there a relationship between smoking and longevity? Will education level affect income level? For problems like this, correlation analysis is a commonly used...
by Gary Li | Sep 18, 2021 | Gary Li
In our daily work, we will more or less encounter some data scraping requirements or collecting user reviews during operational activities and data from other vendors during competitive product analysis. When we are preparing to collect data, sometimes we need to...
