ggplot2 graphs are empty

Question

[friasoler]

I have troubles trying to use ggplot2 package. All the graphs I got are empty:

ggplot(data=dataa,aes(x=Description, y=RPKM,fill=Condition))+ geom_bar(position="dodge",stat="identity")

File dataa is a piece of a bigger data frame like this:

Description    Tissue    Condition    RPKM
re                  brain       obese       3
re                  brain       Slim         34
re                  brain       Fit           35
re1                brain       Fit            23
re1                brain       obese       34
re1                brain       Slim         67

Do you have any idea what I'm doing wrong?

[tiago211287]

Try rebooting your Rstudio

[nterhoeven]

do you get any error messages?

[friasoler]

no error messages.....

[glihm]

Are you working with RStudio or command line?

[friasoler]

Thanks Wocka

I'm using RStudio

Answer 1

[Giovanni M Dall'Olio]

You are probably plotting to a null device. Try dev.new() to launch a new one. In alternative, if this code is inside a function, you will have to print it explicitly. For example: myplot<-ggplot(...) + geom_bar(); print(myplot).

[friasoler]

It worked!!! Thanks Giovanni

[summerela]

Hi Giovanni! Thanks for saving the day :)