I was interested in data analysis, but when I started, I was at a loss as to how to choose a topic and what method to use. This lecture was a guide at that time. During the lecture, basic or important concepts were repeatedly mentioned several times, so it was less burdensome for beginners to follow. I liked that the lectures were divided into short sections, so it was easy to listen briefly or review parts I didn't know. There are still some difficult parts, but I will try to watch and follow along diligently until I become more familiar with them. Thank you for the great lecture :)