[英]R - Customising the font colour of label in stacked bar chart using plot_ly()
[英]How to set labels for stacked bar chart using plot_ly() in R
我正在嘗試使用 R 中的plot_ly()
plot 堆疊條形圖。 問題是我無法為欄中的每個堆棧放置標簽。
這是我的數據框
df <- data.frame("QuarterYear" = c("2019 Q1","2019 Q2","2019 Q2","2019 Q3","2019 Q3","2019 Q3"), "Size" = c("Medium","Large","Medium","Large","Medium","Small"),
"percentage" = c(100,29,71,13,74,13))
這是繪制堆積條形圖的代碼
plot_ly(df, x = df$QuarterYear,
y = df$percentage,
type = 'bar',
name = df$Size,
text = paste(df$percentage,"%"),
textposition = 'top',
hoverinfo = 'text',
hovertext = paste('Size: ', df$Size,
'<br> % of Total count: ', paste(df$percentage,"%")),
color = df$Size) %>%
layout(yaxis = list(title = "% of Count", zeroline = FALSE,
showline = FALSE, ticksuffix = "%"), barmode = 'stack',hoverlabel = list(bgcolor= 'white')) %>%
layout(legend = list(orientation = "h",
xanchor = "center",
x = 0.5,
y = -0.13))
誰能幫我解決這個問題?
提前致謝。
add_annotation 中調用的 y 軸需要一個小的解決方法,如下所示:
plot_ly(df, x = df$QuarterYear,
y = df$percentage,
type = 'bar',
name = df$Size,
text = paste(df$percentage,"%"),
textposition = 'top',
hoverinfo = 'text',
hovertext = paste('Size: ', df$Size,
'<br> % of Total count: ', paste(df$percentage,"%")),
color = df$Size) %>%
layout(yaxis = list(title = "% of Count", zeroline = FALSE,
showline = FALSE, ticksuffix = "%"), barmode = 'stack',
hoverlabel = list(bgcolor= 'white')) %>%
layout(legend = list(orientation = "h",
xanchor = "center",
x = 0.5,
y = -0.13)) %>%
add_annotations(text = paste0(df$percentage, "%"), x = df$QuarterYear,
y = unlist(tapply(df$percentage, df$QuarterYear, FUN=cumsum))-(df$percentage/2),
showarrow = FALSE)
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