Does a song’s release date affect its popularity on TikTok? Do older songs have lower popularity, while newer releases tend to be more popular?

A data science project for my data science course about the effects of phone usage has on mental health factors.

Develop an R program to quickly explore a given data set, including categorical analysis using the group_by command, and visualize the findings using ggplot2 features

Develop an R program to compile all the programmes from 1-7.

DiD plot