R语言|Data cleaning analysis and visualization

Wrangle the dataset. Make sure that there are no missing values, where rows and columns are all properly formatted. Each cell should only contain one value. Would recommend using something from pivot and related functions. Be sure to separate and unite certain things. Make sure missing values are presented accordingly.
Visualization: Demonstrate that there are relationships between each variable. Use ggplot for this. Create histograms, bar graphs, line graphs, scatter plots to map the relationship between the data.
When using Dplyr, make sure the codes have somethings like filter(), arrange(), select() and etc…
You can also demonstrate skills by creating your own Tibble off of the dataset, and subset it accordingly.
Exploratory questions regarding the dataset to create analysis