I have a data.frame as shown below:
task measure
right m1
left m2
up m3
down m4
front m5
back m6
.
.
.
The task column takes only six different values, which are treated as factors, and are ordered by R as: "back", "down", "front", "left", "right", "up".
How ever, I need them ordered as: "up", "down", "left", "right", "front", "back". So that when I use this data in ggplot, the related tasks (such as "up" and "down") are plotted next to each other.
How can change the ordering of the levels of the factor "task"?
Assuming your dataframe is mydf:
mydf$task <- factor(mydf$task, levels = c("up", "down", "left", "right", "front", "back"))
Source: Stackoverflow.com