Calculate & plot the distance between two players

You've obtained the coordinates relative to the center of the field for two players in a soccer match and would like to calculate the distance between them.

In this exercise you will plot the positions of the 2 players and manually calculate the distance between them by using the Euclidean distance formula.

Cet exercice fait partie du cours

Cluster Analysis in R

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Instructions

Plot their positions from the two_players data frame using ggplot.
Extract the positions of the players into two data frames player1 and player2.
Calculate the distance between player1 and player2 by using the Euclidean distance formula $$\sqrt{(x_1-x_2)^2+(y_1-y_2)^2}$$.

Exercice interactif pratique

Essayez cet exercice en complétant cet exemple de code.

# Plot the positions of the players
ggplot(___, aes(x = ___, y = ___)) + 
  geom_point() +
  # Assuming a 40x60 field
  lims(x = c(-30,30), y = c(-20, 20))

# Split the players data frame into two observations
player1 <- two_players[___, ]
player2 <- two_players[___, ]

# Calculate and print their distance using the Euclidean Distance formula
player_distance <- sqrt( (player1$___ - player2$___)^2 + (player1$___ - player2$___)^2 )
player_distance

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