Created
March 2, 2022 00:40
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library(rvest) | |
library(ggplot2) | |
library(stringr) | |
url <- "https://ru.wikipedia.org/wiki/Часы_Судного_дня" | |
df <- url %>% | |
read_html(url) %>% | |
html_node("table") %>% | |
html_table() | |
# Небольшие преобразования: | |
df$Причина <- str_trim(df$Причина) | |
df$Год <- as.numeric(df$Год) | |
df$`Минут осталось` <- as.numeric(str_replace(df$`Минут осталось`, "\\:", ".")) | |
df$Изменение[1] <- 0 | |
df$Изменение[23] <- str_replace(df$Изменение[23], "\\:", ".") | |
df$Изменение[24] <- str_replace(df$Изменение[24], "\\:", ".") | |
df$Изменение[25] <- str_replace(df$Изменение[25], "\\:", ".") | |
df$Изменение <- as.numeric(str_replace(df$Изменение, "\\−", "-")) | |
df$Изменение <- as.numeric(df$Изменение) | |
df$f <- ifelse(df$Изменение >= 0, 1, 0) | |
df$vj <- df$f * -1 | |
df$vj[df$vj == 0] <- 1.8 | |
head(df) | |
ggplot(df, aes(`Год`, `Минут осталось`)) + | |
scale_x_continuous(breaks = c(1947, 1951, 1955, seq(1960, 2020, 4))) + | |
scale_y_continuous(expand = c(0,0), limits = c(0,18), breaks = c(seq(0,17,1)), | |
sec.axis = sec_axis(~., breaks = c(17:0), | |
labels = c(paste0("23:", 43:59), "00:00"), | |
name = "Время до полуночи")) + | |
geom_step(linetype = 1, size = 2, alpha = 0.5, color = "brown") + | |
geom_point(shape = 15, size = 2.5, aes(colour = factor(ifelse(Изменение >= 0, 1, 0)))) + | |
geom_text(aes(label = `Год`), size = 2.5, | |
position = position_dodge(0.8), | |
vjust = df$vj) + | |
labs(title = "Часы Cудного дня: число минут до полуночи, 1947 − 2020", | |
subtitle = "Колебания минутной стрелки на протяжении нескольких десятилетий", | |
caption = "Источник данных: https://ru.wikipedia.org/wiki/Часы_Судного_дня\nВизуализация: Лаборатория HR-DataLab http://hr-datalab.ru") + | |
theme_grey(base_size = 14, base_family = "Open Sans") + | |
theme(legend.position = "none", | |
# panel.background = element_blank(), | |
panel.grid.minor.y = element_blank(), | |
panel.grid.minor.x = element_blank(), | |
panel.grid.major = element_line(size = 0.3), | |
axis.text.x = element_text(size = 12), | |
plot.caption = element_text(margin = margin(t = 5), family = "Open Sans", | |
color = "grey", size = 11)) | |
ggsave("dc2022.png", width = 7, height = 3.5, dpi = 300, scale = 1.5) |
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