ggplot2 - R - getting discrete variable to be treated as continous - more difficulty -


i'm facing same issue on post - how discrete factor levels treated continuous?

i've tried converting variable factor numeric didn't work. graph still displayed in discrete format.

require(ggplot2) library(reshape2) m <- 10 n <- 6  nam <- list(c(),letters[1:n]) var <- as.data.frame(matrix(sort(rnorm(m*n)),m,n,f,nam)) dtf <- data.frame(t=seq(m)*0.1, var) mdf <- melt(dtf, id=c('t'))  xs <- c(0.25,0.5,1.0,2.0,4.0,8.0) levels(mdf$variable) <- xs  class(mdf$variable) mdf$variable <- as.numeric(as.character(mdf$variable))  g <- ggplot(mdf,aes(variable,value,group=variable,colour=t)) g +   geom_point() +   scale_x_continuous()

what doing wrong?

this plot produced

i've discovered needed - in order visualize graph in more line fashion needed use geom_smooth(se=f) instead of geom_point()


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