r - xlim not working for discrete values [ggplot2] -


i'm trying set xlim , ylim in ggplot put using below:

ylim=c(0, 1.5) + xlim=c(0,100) +

or

coord_cartesian(xlim = c(0, 100), ylim = (0,1.5)) +

seems throw error:

error in scale_x_discrete(breaks = c(0, 50, 100), labels = c(0,  :    non-numeric argument binary operator

is because i'm using discrete scale x? using numeric y.

using

scale_y_continuous(limits = c(0, 1.5)) +

seems work gives error:

warning message: removed 2 rows containing missing values (geom_path).

any suggestions on can try?

full code:

cfr <- ggplot(sn, aes(x = mmad,y = fr, group=plan, colour = plan)) +                   geom_line(size=0.5) +                   #scale_y_continuous(limits = c(0, 1.5)) +                   scale_x_discrete(breaks = c(0,50,100), labels= c(0,50,100)) +                   labs(x = "mmad",y = "%")

p.s.

without putting axis limits in, above code worked without problem

i'm not sure, guess discrete scales accept characters limit-parameters, each character representing factor level (see http://docs.ggplot2.org/0.9.3.1/discrete_scale.html).

df <- data.frame(x=sample(1:3, 10, replace=true), y=sample(20:30, 10, replace=true)) df$x <- as.factor(df$x) cfr <- ggplot(df, aes(x = x,y = y)) +   geom_line(size=0.5) +   scale_x_discrete(breaks = c(0,50,100), labels= c(0,50,100), limits=c("1", "2", "3")) +   labs(x = "mmad",y = "%")

works me... (see limits parameter in scale_x_discrete).


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