Format numbers (with D3)
format_num(format, prefix = "", suffix = "", locale = "en-US")
format | Format for numbers, currency, percentage, e.g. |
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prefix | Character string to append before formatted value. |
suffix | Character string to append after formatted value. |
locale | Localization to use, for example |
a JS
function
# Use SI prefix dat <- data.frame( labels = c("apex", "charts"), values = c(1e4, 2e4) ) apex(dat, aes(labels, values), "column") %>% ax_yaxis(labels = list( formatter = format_num("~s") )) apex(dat, aes(labels, values * 100), "column") %>% ax_yaxis(labels = list( formatter = format_num("~s") )) # Percentage dat <- data.frame( labels = c("apex", "charts"), values = c(0.45, 0.55) ) apex(dat, aes(labels, values), "column") %>% ax_yaxis(labels = list( formatter = format_num(".0%") )) # Currency dat <- data.frame( labels = c("apex", "charts"), values = c(570, 1170) ) apex(dat, aes(labels, values), "column") %>% ax_yaxis(labels = list( formatter = format_num("$,.2f") )) # Change locale apex(dat, aes(labels, values), "column") %>% ax_yaxis(labels = list( formatter = format_num("$,.2f", locale = "fr-FR") )) # Customize tooltip value # Use SI prefix dat <- data.frame( labels = c("apex", "charts"), values = c(1e4, 2e4) ) apex(dat, aes(labels, values), "column") %>% ax_tooltip(y = list( formatter = format_num(",", suffix = " GW/h") ))