etc5523-2020 / exercise2C

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Failed to make a line graph and congested x-axis #10

Open cuiping-wei opened 4 years ago

cuiping-wei commented 4 years ago

Hi, I attempted to draw a line graph but failed, and the x-axis is very congested and hard to read. I have selected some of the data to reproduce my plot. Here is my code and output. How can I solve this problem?

library(ggplot2)
library(tibble)

# select small data from my raw data
count_date1 <- tribble(~Date, ~freq,
                       "13-04-2015", 24,
                       "13-05-2015", 12,
                       "13-06-2015", 32,
                       "14-04-2015", 23,
                       "14-05-2015", 15,
                       "14-06-2015", 16,
                       "15-04-2015", 12,
                       "15-05-2015", 12,
                       "4/1/2015", 18,
                       "4/10/2015", 21,
                       "4/11/2015", 5,
                       "4/12/2015", 15,
                       "4/2/2015", 27,
                       "4/7/2015", 15,
                       "4/4/2015", 12,
                       "4/5/2015", 6)

ggplot(count_date1, aes(Date,freq)) + 
    geom_point() + 
    geom_line(aes(group=Date)) +
    xlab("Date") + 
    ylab("No. of Complaints")
#> geom_path: Each group consists of only one observation. Do you need to adjust
#> the group aesthetic?

Created on 2020-08-12 by the reprex package (v0.3.0)

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