set date range in ggplot

Question

my data frame is z:

library(ggplot2); library(scales)
z <-     structure(list(Month = structure(c(14975, 15095, 15156, 15187, 
15248), class = "Date&q         


        

Answer 1

Here's a solution using ggplot 3.1 which requires the least tweaks to the original code:

ggplot(z, aes(Month, Value)) + 
    geom_bar(fill="orange",size=.3, stat="identity", position="identity") +
    geom_smooth(data=z,aes(Month,Value,group=1), method="lm", size=2, color="navyblue") + 
    scale_x_date(date_breaks = "1 month", 
           limits = as.Date(c('1/1/2011', '1/1/2013'), format="%d/%m/%Y"),
           date_labels="%b-%Y" ) +
    theme(axis.text.x = element_text(angle = 90))

the theme() at the end is optional, but makes the formatting easier to read if you want to use your original "%b-%Y" formatting string.