# Lattice exercises – part 1

April 30, 2016
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In the exercises below we will use the lattice package. First, we have to install this package with ` install.packages("lattice") ` and then we will call it ` library(lattice) `. The Lattice package permits us to create univariate, bivariate and trivariate plots. For this set of exercises we will see univariate and bivariate plots. We will use a dataset example that we have to download from here.

Answers to the exercises are available here.

If you obtained a different (correct) answer than those listed on the solutions page, please feel free to post your answer as a comment on that page.

Exercise 1
Create a barchart of goals done (Variable `gd`, grouping by team.

Exercise 2
Now let’s create two datesets (subset dataset by team) and then use the ` bwplot ` function to plot goals received (Var: gs).

Exercise 3

Exercise 4
Create a histogram of win matches (Var: `Win`), grouping by team.

Exercise 5
Now we introduce the xyplot command. In this exercises you have to create a plot of goals received against goals done and play at home (variable `home`), grouping by team.

Exercise 6
From the previous issue we will plot in this exercises a time-series xyplot. Again use goals done variable by team (hint:you have to do two different plots).

Exercise 7
Return to exercise 5 and create a time-series xyplot, grouping by team for goals received variable. Customize your plot with the `cut` option.

Exercise 8
Finally, produce a quantile-quantile (qqplot) plot of win matches against goals received and injuries (variable `inj`), grouping by team.

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