Most basic scatterplot
The plot() function of R allows to build a scatterplot. Both numeric variables of the input dataframe must be specified in the x and y argument.
# Create data
data = data.frame(
x=seq(1:100) + 0.1*seq(1:100)*sample(c(1:10) , 100 , replace=T),
y=seq(1:100) + 0.2*seq(1:100)*sample(c(1:10) , 100 , replace=T)
)
# Basic scatterplot
plot(x=data$x, y=data$y)Customizations
Here is a description of the most common customization:
cex: circle sizexlimandylim: limits of the X and Y axispch: shape of markers. See all here.xlabandylab: X and Y axis labelscol: marker colormain: chart title
# Create data
data = data.frame(
x=seq(1:100) + 0.1*seq(1:100)*sample(c(1:10) , 100 , replace=T),
y=seq(1:100) + 0.2*seq(1:100)*sample(c(1:10) , 100 , replace=T)
)
# Basic scatterplot
plot(data$x, data$y,
xlim=c(0,250) , ylim=c(0,250),
pch=18,
cex=2,
col="#69b3a2",
xlab="value of X", ylab="value of Y",
main="A simple scatterplot"
)
