[英]How to plot monthly data having in the x-axis months and Years R studio
可以使用ggplot
/ tidyverse
包輕松完成。
首先讓我們加載包( ggplot
是tidyverse
的一部分)並創建一個示例數據:
library(tidyverse)
set.seed(123)
df <- data.frame(month = rep(c(1:12), 2),
year = rep(c("1961", "1962"),
each = 12),
ppmensual = rnorm(24, 5, 2))
現在我們可以 plot 數據( df
):
df %>%
ggplot(aes(month, ppmensual,
group = year,
color = year)) +
geom_line()
使用lubridate
和ggplot2
但沒有分組:
library(lubridate) #for graphic
library(ggplot2) # for make_date()
df <- tibble(month = rep(month.name, 40),
year = rep(c(1961:2000), each = 12),
PP = runif(12*40) * runif(12*40) * 10) # PP data is random here
print(df, n = 20)
month year PP
<chr> <int> <dbl>
1 January 1961 5.42
2 February 1961 0.855
3 March 1961 5.89
4 April 1961 1.37
5 May 1961 0.0894
6 June 1961 2.63
7 July 1961 1.89
8 August 1961 0.148
9 September 1961 0.142
10 October 1961 3.49
11 November 1961 1.92
12 December 1961 1.51
13 January 1962 5.60
14 February 1962 1.69
15 March 1962 1.14
16 April 1962 1.81
17 May 1962 8.11
18 June 1962 0.879
19 July 1962 4.85
20 August 1962 6.96
# … with 460 more rows
df %>%
ggplot(aes(x = make_date(year, factor(month)), y = PP)) +
geom_line() +
xlab("años")
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