anscombe#
使用低级 bokeh.models API 重现 安斯库姆四重奏,该 API 还包括 Div
中的 HTML 内容。
细节
- 示例数据:
- Bokeh API:
bokeh.layouts.column
,bokeh.layouts.gridplot
,bokeh.models.Plot
,bokeh.models.LinearAxis
- 更多信息:
- 关键词:
column, gridplot
import numpy as np
from bokeh.io import show
from bokeh.layouts import column, gridplot
from bokeh.models import (ColumnDataSource, Div, Grid, Line,
LinearAxis, Plot, Range1d, Scatter)
from bokeh.sampledata.anscombe import data as df
circle_source = ColumnDataSource(data=df)
x = np.linspace(-0.5, 20.5, 10)
y = 3 + 0.5 * x
line_source = ColumnDataSource(data=dict(x=x, y=y))
rng = Range1d(start=-0.5, end=20.5)
def make_plot(title, xname, yname):
plot = Plot(x_range=rng, y_range=rng, width=400, height=400,
background_fill_color='#efefef')
plot.title.text = title
xaxis = LinearAxis(axis_line_color=None)
plot.add_layout(xaxis, 'below')
yaxis = LinearAxis(axis_line_color=None)
plot.add_layout(yaxis, 'left')
plot.add_layout(Grid(dimension=0, ticker=xaxis.ticker))
plot.add_layout(Grid(dimension=1, ticker=yaxis.ticker))
line = Line(x='x', y='y', line_color="#666699", line_width=2)
plot.add_glyph(line_source, line)
circle = Scatter(x=xname, y=yname, size=12, line_color="#cc6633",
fill_color="#cc6633", fill_alpha=0.5)
plot.add_glyph(circle_source, circle)
return plot
#where will this comment show up
I = make_plot('I', 'Ix', 'Iy')
II = make_plot('II', 'IIx', 'IIy')
III = make_plot('III', 'IIIx', 'IIIy')
IV = make_plot('IV', 'IVx', 'IVy')
grid = gridplot([[I, II], [III, IV]], toolbar_location=None)
div = Div(text="""
<h1>Anscombe's Quartet</h1>
<p>Anscombe's Quartet is a collection of four small datasets that have nearly
identical simple descriptive statistics (mean, variance, correlation, and
linear regression lines), yet appear very different when graphed.
</p>
""")
show(column(div, grid, sizing_mode="scale_width"))