Fig. 7
From: A large-scale multivariate soccer athlete health, performance, and position monitoring dataset

Distribution of the number of training sessions per player, presented as boxplots for each team and year. Each boxplot summarizes the probability distribution, with the lower and upper box bounds representing the first and third quartile, respectively. The middle line displays the median. The two lines outside of the box show the minimum and maximum of the distribution. Points present outliers.