R中树图的红色琥珀绿色顺序调色板

问题描述

是否有色阶调色板可以为树形图提供连续的 RAG 颜色.我尝试了RgYlGn"，但由于范围少于 28 个唯一值，颜色全部显示为绿色或黄色.我想要的是最小值为红色，中值为黄色，最大值为绿色，具有从红色到绿色的连续颜色渐变

is there a color scale palette that can give sequential RAG color for a treemap.I tried "RgYlGn" but due to the range being less over 28 unique values, the colors come out as all Green or Yellow. What I want is the least value being red and median being yellow and max being green with a sequential color gradient from red to green

推荐答案

colorRampPalette 函数可能对你有用.

The function colorRampPalette might be useful to you.

colorRampPalette(c("red", "yellow", "green"))

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