| #!/usr/bin/env Rscript |
| # |
| # Plot proportions of alternative expressions or spellings variants over time |
| # |
| library(RKorAPClient) |
| library(ggplot2) |
| |
| alternativesOverTime <- function(alternatives, years, kco = new("KorAPConnection", verbose=TRUE)) { |
| df <- expand_grid(Variant = alternatives, year = years) %>% |
| cbind(frequencyQuery(kco, .$Variant, sprintf("textType = /Zeit.*/ & pubDate in %d", .$year), as.alternatives=TRUE)) %>% |
| rename(share=f) |
| g <- ggplot(data = df, mapping = aes(x = year, y = share, colour = Variant, fill = Variant)) + |
| geom_freq_by_year_ci() + |
| ggtitle(paste0(alternatives, collapse = " vs. ")) + |
| xlab("TIME") + |
| ylab(sprintf("Observed frequency ratio")) |
| print(g) |
| df |
| } |
| |
| df <- alternativesOverTime(c('so "genannte.?"', '"sogenannte.?"'), (1995:2018)) |