Add helper for using highcharter / Highcharts more easily
Change-Id: I9c4d501aebcc31cf997ef4e572d107a4aa083325
diff --git a/demo/highcharter-example.R b/demo/highcharter-example.R
index cdf1362..4d312ba 100644
--- a/demo/highcharter-example.R
+++ b/demo/highcharter-example.R
@@ -1,104 +1,4 @@
library(RKorAPClient)
-library(highcharter)
-
-hc_freq_by_year_ci <- function(df, as.alternatives = F, ylabel = if(as.alternatives) "%" else "ipm") {
- title <- ""
- df <- df %>%
- { if(! as.alternatives) ipm(.) else RKorAPClient::percent(.) }
-
- if (!"year" %in% colnames(df)) {
- df <- df %>% mutate(year = as.integer(queryStringToLabel(df$vc, pubDateOnly = T)))
- }
- if (!"condition" %in% colnames(df)) {
- if (length(base::unique(df$query)) > 1) {
- df <- df %>% mutate(condition = query)
- if(length(base::unique(queryStringToLabel(df$vc, excludePubDate = T ))) > 1) {
- df <- df %>% mutate(condition = paste(condition, " & ",
- queryStringToLabel(vc, excludePubDate = T )))
- }
- } else {
- title <- base::unique(df$query)
- if(length(base::unique(queryStringToLabel(df$vc, excludePubDate = T ))) > 1) {
- df <- df %>% mutate(condition = queryStringToLabel(vc, excludePubDate = T ))
- }
- }
- }
- # use the D3 palette which provides 20 attractive and distinguishable colours
- palette <- c("#1F77B4", "#FF7F0E", "#2CA02C", "#D62728", "#9467BD", "#8C564B", "#E377C2", "#7F7F7F", "#BCBD22", "#17BECF", "#AEC7E8", "#FFBB78", "#98DF8A", "#FF9896", "#C5B0D5", "#C49C94", "#F7B6D2", "#C7C7C7", "#DBDB8D", "#9EDAE5")
- highchart() %>%
- hc_title(text=title) %>%
- hc_chart(zoomType="xy") %>%
- hc_yAxis(
- title = list(text = if (as.alternatives) "" else ylabel),
- ceiling = if (as.alternatives) 100 else NULL,
- floor = 0,
- labels = if(as.alternatives) list(format = paste0("{value}\U2009", ylabel)) else NULL
- ) %>%
- hc_xAxis(allowDecimals=F) %>%
- hc_add_theme(hc_theme_google(colors=palette)) %>%
- hc_plotOptions(
- series = list(enabled = T),
- line = list(cursor = 'pointer', point = list(events = list(
- click = JS("function() { window.open(this.click, 'korap'); }")
- )))) %>%
- hc_credits(enabled = T,
- text = "KorAP R Client Pakckage",
- href = "//github.com/KorAP/RKorAPClient/") %>%
- hc_exporting(enabled = T) %>%
- hc_tooltip(
- formatter = JS(paste0("function (tooltip) {
- var str = tooltip.defaultFormatter.call(this, tooltip);
- if(Array.isArray(str)) {
- str = str.join('');
- }
- for (var i = 0; i < this.points.length; i++) {
- str = str.replace(/([0-9.,]+.?)", ylabel, "/, this.points[i].point.count+' ($1@)');
- }
- return str.replace(/@/g, '", ylabel, "')
- } ")),
- crosshairs = T,
- valueDecimals = 2,
- shared = T,
- valueSuffix = paste0('\U2009', ylabel)
- ) %>%
- hc_add_series_korap_frequencies(df, as.alternatives)
-}
-
-hc_add_series_korap_frequencies <- function(hc, df, as.alternatives = F) {
- index <- 0
- for(q in unique(df$condition)) {
- dat <- df[df$condition==q,]
- hc <- hc %>% hc_add_series(
- marker = list(radius = 2),
- name = q,
- data = data.frame(
- year = dat$year,
- value = if (as.alternatives) dat$f else dat$ipm,
- count = dat$totalResults,
- click = dat$webUIRequestUrl
- ),
- hcaes(year, value),
- type = 'line',
- colorIndex = index,
- zIndex = 1
- ) %>%
- hc_add_series(
- name = "ci",
- data = dat[,c('year', 'conf.low', 'conf.high')],
- hcaes(x = year, low = conf.low, high = conf.high),
- type = 'arearange',
- fillOpacity = 0.3,
- lineWidth = 0,
- marker = list(enabled = F),
- enableMouseTracking = F,
- linkedTo= ':previous',
- colorIndex = index,
- zIndex = 0
- )
- index <- index+1
- }
- hc
-}
plotHighchart <- function(query = "Schlumpf",
years = c(2000:2010),
@@ -120,3 +20,4 @@
h1 <- plotHighchart(c("Leser | Lesern | Lesers", 'Leserin | Leserinnen', 'LeserIn | LeserInnen', '"Leser[_\\*]in.*"'), c(1985:2018), as.alternatives = F)
#plotHighchart(c("Tollpatsch", "Tolpatsch"), c(1991:2018))
+