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Population Structure of Finland - http://ilari.scheinin.fi/population-structure-of-finland/
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library(pxweb) | |
library(dplyr) | |
library(stringr) | |
library(ggplot2) | |
library(animation) | |
api <- "http://pxnet2.stat.fi/PXWeb/api/v1/" | |
past_original <- get_pxweb_data( | |
url=paste0(api, "en/StatFin/vrm/vaerak/125_vaerak_tau_106.px"), | |
dims=list(Vuosi="*", Sukupuoli="*", Ikä="*"), | |
clean=TRUE) | |
future_original <- get_pxweb_data( | |
url=paste0(api, "en/StatFin/vrm/vaenn/010_vaenn_tau_101.px"), | |
dims=list(Vuosi="*", Sukupuoli="*", Ikä="*"), | |
clean=TRUE) | |
past <- past_original %>% | |
filter(!str_detect(Age, "total"), Sex != "Both sexes") %>% | |
transmute( | |
year=as.integer(as.character(Year)), | |
age=as.integer(gsub("[^0-9]", "", Age)), | |
sex=tolower(as.character(Sex)), | |
population=values | |
) %>% | |
tbl_df() | |
future <- future_original %>% | |
filter(!Year %in% unique(past$year)) %>% | |
filter(!str_detect(Age, "total"), Sex != "Both sexes") %>% | |
transmute( | |
year=as.integer(as.character(Year)), | |
age=as.integer(gsub("[^0-9]", "", Age)), | |
sex=tolower(as.character(Sex)), | |
population=values | |
) %>% | |
tbl_df() | |
both <- rbind(past, future) | |
both$population[both$sex == "males"] <- | |
-both$population[both$sex == "males"] | |
years <- sort(unique(both$year)) | |
titles <- paste("Population Structure of Finland,", years) | |
titles <- ifelse(years %in% unique(past$year), titles, | |
paste(titles, "(forecast)")) | |
saveGIF({ | |
for (i in seq_along(years)) { | |
year_data <- filter(both, year == years[i]) | |
p <- ggplot(year_data, aes(age, population, fill=sex, width=1)) + | |
coord_flip() + | |
geom_bar(data=filter(year_data, sex == "females"), stat="identity") + | |
geom_bar(data=filter(year_data, sex == "males"), stat="identity") + | |
scale_y_continuous(breaks=seq(-50e3, 50e3, 25e3), | |
labels=format(abs(seq(-50e3, 50e3, 25e3)), trim=TRUE, big.mark=" "), | |
limits=c(-50e3, 50e3)) + | |
theme(text=element_text(size=16), | |
legend.position="bottom", legend.title=element_blank(), | |
legend.background=element_rect(fill="#9ecae1"), | |
legend.key=element_rect(fill=NA, color=NA), | |
panel.background=element_rect(fill="#9ecae1"), | |
plot.background=element_rect(fill="#9ecae1")) + | |
scale_fill_manual(values=c('#18447e', '#ffffff')) + | |
guides(fill=guide_legend(reverse=TRUE)) + | |
labs(title=titles[i]) + | |
annotate("text", x=100, y=50e3, hjust=1.05, vjust=1.1, | |
label="By: Ilari Scheinin\nSource: Statistics Finland\nLicense: CC BY") | |
print(p) | |
} | |
}, movie.name="finland-population-structure.gif", | |
interval=0.25, ani.width=800, ani.height=600) | |
# Modified from: | |
# https://gist.github.com/walkerke/f9665e15b74b393bd2d6 | |
# 2016-02-27 | |
# Ilari Scheinin | |
# CC BY | |
# EOF |
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