Legend() function:
This function is used to show legend in a graph. It expects few parameters as listed below:
i. Position: this is important to specify where we want to show our legend in a graph. Position can be specified as “bottomleft”, “bottomright”, “left”, “center” and so on.
ii. Inset: it specifies how far we want to move it from the specified position.
iii. Legend: the actual dataset which we want to use as a legend.
iv. Colours: these colours should be same as the colours which are mentioned in matplot function
v. Pch: plotting characters also should be same as plotting characters which are mentioned in matplot function
Ex. legend(“topleft”, legend=Players, col=c(1:4,6), pch = 15:18)
Execute these two lines together to see the result.
It looks good, isn’t it?
You can try as many options as you can to get better hands on this. You can use different matrices, different combinations in it. These combinations you can try in matplot function.
#these combinations you can try in matplot function.
t(FieldGoals)
t(FieldGoals/Games) #Average Goals
t(FieldGoals/FieldGoalAttempts) #Accuracy of Goals
matplot(t(FieldGoals/Games), type = "b", pch = 15:18,
col=c(1:4,6))
legend("bottomleft", legend=Players, col=c(1:4,6), pch = 15:18)
matplot(t(FieldGoals/FieldGoalAttempts), type = "b", pch =
15:18, col=c(1:4,6))
legend("bottomleft", legend=Players, col=c(1:4,6), pch = 15:18)
Above code is also available on CodeInfoNet’s git repository. Check it out and try. Here is the url: Visualizing with matplot
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