alpha= on quiver / boxplot / hexbin -- none of the three accepted it before-3-2-10123-3-2-10123quiver(alpha=0.45) over contourf
gradient direction, without hiding the field0304050607080boxplot(alpha=0.5) x2, same position
compares two conditions without an offset hiding eitherbeforeafter-3-2-10123-202hexbin(alpha=0.75) over a scatter sample
density that still shows the data underneath150 of 2000 pointsalpha= on quiver / boxplot / hexbin -- none of the three accepted it before