2011年9月14日 · Basically, I want to assign a color to each point in the z vector, and I want those colors to vary on a rainbow scale from z's lowest values to it's highest values. r graphics

2018年4月6日 · I would like to have a "normal" rainbow scale from red=high over orange, yellow, green, light blue, dark blue=low without giving fixed discrete colours as one can do it, e.g. with scale_fill_gradient2. I wonder why "rainbow" starts with red=high end ends with some other red...

2019年3月31日 · I'm working on the diamonds data set. I am trying to plot carats x price, with the color representing clarity. I get a beautiful color palette, but not the one I want. It looks more like a gradient...

palette(rainbow(6)) # six color rainbow (palette(gray(seq(0,.9,len = 25)))) #grey scale And the colorRampPalette function: ##Move from blue to red in four colours colorRampPalette(c("blue", "red"))( 4) Look at the RColorBrewer package (and website). If you want diverging colours, then select diverging on the site. For example,

2023年3月26日 · You can also assign values= rainbow(45, s=.6, v=.9)[sample(1:45,45)] to replicate the original plot code from OP; however, the effect will be to scramble the rainbow colors. Share Improve this answer

2016年5月27日 · Fabio Crameri, author of The Rainbow Colour Map (repeatedly) considered harmful, was one of the authors of a Nature Communications article on "The misuse of colour in science communication" which responded to turbo by calling it an example of "so-called 'improved' rainbow-like maps" which appears to meet the requirement of colours being in ...

2017年4月2日 · I have a the death rate for ages 0-100 plotted in one graph. It's very color full but for a reader there is no explanation who is age 0, age 40 or age 100 for example. I have seen rainbow legends is

2013年2月6日 · Warping the rainbow in R. Ask Question Asked 12 years, 1 month ago. Modified 12 years, 1 month ago.

2022年7月16日 · You can certainly reproduce the plot. It's not clear how this could be achieved with your own data, since you haven't shared it, but I would probably reproduce it like this:

2016年10月27日 · Also note that the built-in ggplot2 color palette is used instead of rainbow(). Share. Improve this answer