R ggplot boxplot: change y-axis limit

Question

I\'m using ggplot to create sevral boxplots from the following data:

df<-(structure(list(Effect2 = c(\"A2\", \"A2\", \"A2\", \"A2\", \"A2\",          


        

Answer 1

Use coord_cartesian instead of scale_y_continuous:

ggplot(df, aes(x=Effect2, y=OddsRatioEst)) +
    geom_boxplot(outlier.colour=NA) + 
    coord_cartesian(ylim = c(0, 100))

From the coord_cartesian documentation:

Setting limits on the coordinate system will zoom the plot (like you're looking at it with a magnifying glass), and will not change the underlying data like setting limits on a scale will.

The output is as follows. As you can see, not deleting those outliers changes the picture somewhat, so you may want to change the y limit as well.