[英]highcharter heatmap not following hc_coloraxis when there's negative values
这是带有数据的代码:
library(BatchGetSymbols) library(tidyverse) library(highcharter) t1 = BatchGetSymbols(c("MSFT", "SPY", "SH"))[[2]] t2 = t1[,c("ticker", "ref.date", "ret.adjusted.prices")] t3 = na.omit(pivot_wider(t2, names_from = ticker, values_from = "ret.adjusted.prices")) t4 = cor(t3[,2:4]) hchart(type = "heatmap", t4) %>% hc_legend(layout = "vertical", verticalAlign = "middle", align = "right") %>% hc_colorAxis(min = -1, max = 1, stops = color_stops(3, c("#d51f3a", "#FFFFFF", "#5daa45")))
任何帮助表示赞赏!
您如何看待遍历所有点,找到具有负 colorValue 的点然后更改它们的颜色?
喜欢这个演示: https : //jsfiddle.net/BlackLabel/7p0ufcma
然后你可以使用 Highcharts JS API。 您可以在此处查看有关如何执行此操作的便捷文章: https : //www.highcharts.com/blog/tutorials/working-with-highcharts-javascript-syntax-in-r/?fbclid=IwAR3UzztbrY4rdCbOw1W7DmSq4mWJswJZxIw-xOqGbsu0G02M2M
chart.series[0].data.forEach(point => {
if (point.colorValue < 0) {
point.update({
color: 'red'
});
}
})
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