Exercise 1

• See the dimensions of the dataset
• See number of rows and columns of the dataset
• See mean, maximum and minimum of a column
• Plotting a bar-plot using ggplot2

Exercise 2

• Find $\Phi(x)$ and $\Phi^{-1}(x)$

Exercise 3

• Plotting a histogram
• Using ifelse
• Group by
• Calculate covariance and correlation
• Test if covariance is significant

Exercise 4

• Count number of values given a filter
• Create a linear regression model

Exercise 5

• Create a normal distribution based on an correlation matrix

Exercise 6

• Filter a dataframe