Terpene

Original file(SVG file, nominally 1,041 × 644 pixels, file size: 325 KB)

Summary

Description
English: Change of wine grapes harvesting dates in France since the 19th century. The data come from several vineyards :
Date
Source Data from Agence française pour la biodiversité
Author Delorme
Other versions

[edit]

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Create this plot

 
This chart was created with R.

R code

res <- vendanges %>% 
  filter(annee > 1964) %>% 
  glm(doy_v ~ annee + vignoble, data = .)

summary(res)
m <- -1 * res$coefficients[2]
incert <- round(abs(diff(confint(res)[2, ]) / 2 * 10), 1)

  
language <- list(
  en_US = list(
    locale_lc_time = "en_US.UTF-8",
    title = "Wine grapes harvesting dates in France",
    subtitle = bquote("Advance :" ~ .(round(m * 10, 1)) ~ scriptstyle(phantom("") %+-% .(incert)) ~ "days per decade *"),
    legend = "Vineyard",
    caption = "Data",
    caption2 = "\n* computed for the 5 vinyards on 1964-",
    caption3 = "where data are fully available, 95 % confidence interval",
    x = "Year",
    y = "Date",
    trend = "Trend\nall vineyards",
    outDec = ".",
    dateFormat = "%b %e"
  ),
  fr_FR = list(
    locale_lc_time = "fr_FR.UTF-8",
    title = "Dates de vendanges en France métropolitaine",
    subtitle = bquote("précocité :" ~ .(round(m * 10, 1)) ~ scriptstyle(phantom("") %+-% .(incert)) ~ "jours par décennie *"),
    legend = "vignoble",
    caption = "données",
    caption2 = "\n* calculée pour les 5 vignobles sur la période 1964-",
    caption3 = "où les données sont complètes, intervalle de confiance à 95 %",
    x = "année",
    y = "date",
    trend = "tendance\ntous vignobles",
    outDec = ",",
    dateFormat = "%e %b"
  )
)

for (l in names(language)) {
  message(l)
  current <- language[[l]]
  
  options(OutDec = current$outDec)
  Sys.setlocale("LC_TIME", current$locale_lc_time)
  
  ggplot(vendanges, aes(annee, doy_v)) +
    geom_point(aes(color = vignoble), size = 0.7) +
    geom_smooth(aes(color = vignoble), size = .7, span = .5, alpha = 0.1) +
    geom_smooth(data = filter(vendanges, annee > 1964), aes(linetype = current$trend), method = "lm", color = "black") +
    scale_color_discrete(name = current$legend) +
    scale_x_continuous(breaks = pretty_breaks()) +
    scale_y_continuous(label = function(x) format(as.Date(paste0("2017-", x), "%Y-%j"), current$dateFormat),
                       breaks = seq(235, 308, 7),
                       minor_breaks =  seq(235, 308, 1)) +
    scale_linetype_manual(name = "", values = c(1)) +
    labs(title = paste0(current$title, " ", min(vendanges$annee), "-", max(vendanges$annee)),
         subtitle = current$subtitle,
         x = current$x,
         y = current$y,
         caption = paste0(current$caption, " : http://indicateurs-biodiversite.naturefrance.fr/fr/indicateurs/dates-de-vendanges-en-france-metropolitaine", current$caption2, max(vendanges$annee, na.rm = TRUE), " ", current$caption3))
  
  ggsave(paste0("~/vendanges_france_1892-2014_", l ,".svg"), width = 21, height = 13, units = "cm", scale = 1.4, device = svg)
}

Data code

library(tidyverse)
library(lubridate)
library(scales)


theme_update(plot.caption = element_text(size = 7),
             panel.grid.minor = element_line(color= "#F2F2F2"))

vendanges <- read_tsv("annee	Tavel	Châteauneuf-du-Pape	Champagne	Saint-Émilion	Alsace
1892				09-19	
1893				08-24	
1894				10-02	
1895				09-19	
1896				09-23	
1897				09-15	
1898				09-26	
1899				09-25	
1900				09-20	
1901				09-12	
1902				09-24	
1903				09-28	
1904				09-19	
1905				09-18	
1906				09-19	
1907				10-01	
1908				09-22	
1909				10-05	
1910				10-12	
1911				09-25	
1912				10-02	
1913				09-29	
1914				09-22	
1915				09-21	
1916				10-02	
1917				09-17	
1918				09-23	
1919				09-29	
1920				09-21	
1921				09-19	
1922				09-18	
1923				10-02	
1924				09-28	
1925				10-01	
1926				10-04	
1927				10-02	
1928				09-28	
1929				09-24	
1930				10-01	
1931				09-23	
1932				10-14	
1933				09-25	
1934				09-14	
1935				09-26	
1936				09-29	
1937				09-20	
1938				09-21	
1939				09-29	
1940				09-23	
1941				09-28	
1942				09-21	
1943				09-15	
1944				09-26	
1945		09-25		09-10	
1946		09-30		09-30	
1947		09-25		09-15	
1948		09-27		09-27	
1949		09-19		09-26	
1950		09-25		09-18	
1951	10-08	10-04	10-01	10-08	
1952	09-25	09-24	09-08	09-15	
1953	09-24	09-28	09-15	09-21	
1954	09-29	10-01	09-27	10-05	
1955	09-22	09-26	09-28	09-20	
1956	10-03	10-04	10-08		
1957	09-13	09-24	09-20	10-03	
1958	09-25	09-25	10-01	10-06	
1959	09-22	09-25	09-10	09-28	
1960	09-22	09-19	09-12	10-02	
1961	09-07	09-10	09-20	09-18	
1962	09-24	10-01	10-04	09-26	
1963	09-24	09-21	10-05	10-01	
1964	09-21	09-14	09-16	09-22	
1965	09-20	09-22	10-09	10-04	11-04
1966	09-16	09-16	09-22	09-22	10-17
1967	09-21	09-18	09-28	09-27	10-05
1968	09-20	09-23	10-03	10-01	10-20
1969	09-18	09-25	10-01	09-29	10-18
1970	09-17	09-21	09-27	09-24	10-10
1971	09-20	09-27	09-18	09-30	10-10
1972	09-21	09-25	10-12	10-12	10-20
1973	09-17	09-25	09-28	09-27	10-04
1974	09-23	09-23	09-28	09-30	10-06
1975	09-22	09-26	10-02	09-26	10-12
1976	09-06	09-16	09-01	09-16	09-21
1977	09-21	09-26	10-06	10-10	10-21
1978	09-21	09-22	10-09	10-09	10-29
1979	09-10	09-14	10-03	10-08	10-14
1980	09-20	09-25	10-09	10-13	11-02
1981	09-14	09-16	09-28	10-01	10-14
1982	09-13	09-15	09-20	09-20	10-06
1983	09-12	09-19	09-29	09-29	10-06
1984	09-24	09-24	10-08	10-02	10-24
1985	09-16	09-20	09-30	10-01	10-13
1986	09-10	09-16	09-30	10-01	10-14
1987	09-17	09-21	10-07	10-02	10-22
1988	09-11	09-19	09-26	10-01	10-09
1989	09-04	09-11	09-12	09-07	10-03
1990	09-05	09-12	09-16	09-11	10-07
1991	09-16	09-12	10-01	09-30	10-11
1992	09-10	09-16	09-19	09-24	09-30
1993	09-09	09-13	09-14	09-20	10-02
1994	08-31	09-09	09-19	09-16	09-29
1995	09-11	09-19	09-25	09-15	10-06
1996	09-16	09-16	09-22	09-23	10-10
1997	09-08	09-12	09-18	09-03	10-03
1998	09-03	09-07	09-17	09-21	09-28
1999	09-07	09-08	09-19	09-14	10-02
2000	09-04	09-04	09-17	09-14	09-22
2001	09-03	09-06	09-26	09-24	09-30
2002	09-06	09-09	09-17	09-20	09-25
2003	08-25	09-01	08-27	09-01	09-12
2004	09-04	09-11	09-26	09-20	10-02
2005	09-05	09-07	09-16	09-12	09-23
2006	08-31	09-06	09-15	09-15	09-24
2007	08-25	09-04	08-31	09-19	09-10
2008	09-07	09-11	09-17	09-29	09-26
2009	08-31	09-07	09-12	09-15	09-17
2010	09-09	09-13	09-16	09-20	09-24
2011	09-01	09-05	08-23	09-06	09-12
2012	09-04	09-10	09-16	09-27	09-24
2013	09-16	09-12	10-01	09-30	
2014	09-08	09-15	09-14	09-19	") %>% 
  gather(key = "vignoble", value = "date_v", 2:6) %>% 
  mutate(date_v = ymd(paste0(annee, "-", date_v)),
         doy_v = yday(date_v))

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author name string: Delorme
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inception

29 October 2017

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Date/TimeThumbnailDimensionsUserComment
current11:56, 29 October 2017Thumbnail for version as of 11:56, 29 October 20171,041 × 644 (325 KB)OeneisUser created page with UploadWizard
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