Log Artefacts - log

Data - Fred

Author

François Geerolf

Info

Last observation: 2026-08-14 (N = 2)

First observation: 1964-01-01 (N = 1)

Last data update: 16 aoû 2026, 19:45. Last compile: 17 aoû 2026, 22:28

variable

Code

log |>
  left_join(variable,  by = "variable") |>
  group_by(variable, Variable) |>
  summarise(Nobs = n()) |>
  arrange(-Nobs) %>%
  {if (is_html_output()) datatable(., filter = 'top', rownames = F) else .}

Chart Crime 1

Linear

Code

plot_linear <- log |>
  filter(date >= as.Date("1996-05-01"),
         variable %in% c("HPIPONM226S", "AHETPI")) |>
  left_join(variable, by = "variable") |>
  group_by(Variable) |>
  mutate(value = 100*value/value[1]) |>
  ggplot() + theme_minimal() + xlab("") + ylab("") +
  geom_line(aes(x = date, y = value, color = Variable)) + 
  theme(legend.position = c(0.4, 0.90),
        legend.title = element_blank()) + 
  scale_x_date(breaks = seq(1700, 2100, 5) |> paste0("-01-01") |> as.Date(),
               labels = date_format("%Y")) + 
  scale_y_continuous(breaks = seq(100, 400, 50))

plot_linear

Log

Code

plot_log <- plot_linear + 
  scale_y_log10(breaks = seq(100, 400, 50))

plot_log

Bin

Code

ggpubr::ggarrange(plot_linear + ggtitle("Linear scale"), plot_log + ggtitle("Log scale"), common.legend = T)