While it is possible to fill bars with patterns, it is not
recommended. Fill patterns can lead to what is called the Moire
effect and other optical illusions. Depending on the fill patterns
and how they relate to each other this can cause an illusion of
movement within the plot, straight lines
Hello,
In base graphics function barplot has arguments angle and density, see
the help page ?barplot. As an example, with the same data (note that the
argument density is recycled, 2 values, one per stacked bar times the
number of unique X vakues):
barplot(Freq ~ Y + X, tbl, density =
Thanks Rui. That's very close to what I am looking for. You use gray scales
for different categories. That would be a great idea. Could we use pattern
fill?
Rui Barradas 於 2020年8月13日 週四 下午6:31寫道：
> Hello,
>
> Without sample data and the code you've tried it's difficult to say but
> are you
Hello,
Without sample data and the code you've tried it's difficult to say but
are you looking for something like this?
set.seed(2020)
df1 <- expand.grid(X = factor(1:5), Y = LETTERS[1:2])
df1 <- df1[sample(nrow(df1), 100, TRUE), ]
library(ggplot2)
tbl <- as.data.frame(table(df1))
Hi,
I would like to create percentage stacked bar with graphics package
(e.g., ggplot2) and print it in white/black. The regular option is to use
different color on the bar. Is there any way to use different background on
a bar so that we can tell on a black/white printing? For example, let my
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