[英]Nominal/categorical axis on a scatter plot
How is it possible to generate a nominal/categorical axis (entries like a, b, c
instead of 1,2,3
) on a scatter plot in Bokeh?如何在散景中的散点图上生成名义/分类轴(像
a, b, c
这样a, b, c
条目而不是1,2,3
)?
Imagine that the following data should be plotted:想象一下应该绘制以下数据:
a 0.5
b 10.0
c 5.0
I tried the following:我尝试了以下方法:
import bokeh.plotting as bk
# output to static HTML file
bk.output_file("scatter.html", title="scatter plot example")
x = ['a', 'b', 'c']
y = [0.5, 10.0, 5.0]
p = bk.figure(title = "scatter")
p.circle(x = x, y = y)
bk.show(p)
However, this generates an empty plot.但是,这会生成一个空图。 If the
x
data is changed to x = [1, 2, 3]
everything gets plotted as expected.如果
x
数据更改为x = [1, 2, 3]
一切都会按预期绘制。
What can I do to have a, b, c
on the x axis?我该怎么做才能使 x 轴上有
a, b, c
?
Based on bigreddot's answer, x_range
needs to be set explicitly as follows:根据 bigreddot 的回答,
x_range
需要明确设置如下:
p = bk.figure(title = "scatter", x_range = x)
This is the complete example:这是完整的示例:
import bokeh.plotting as bk
# output to static HTML file
bk.output_file("scatter.html", title="scatter plot example")
x = ['a', 'b', 'c']
y = [0.5, 10.0, 5.0]
p = bk.figure(title = "scatter", x_range = x)
p.circle(x = x, y = y)
bk.show(p)
You need to supply the list of categories as the x_range
or y_range
explicitly.您需要明确提供类别列表作为
x_range
或y_range
。 See:看:
http://docs.bokeh.org/en/latest/docs/gallery/categorical.html http://docs.bokeh.org/en/latest/docs/gallery/categorical.html
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